Search Results: "Introduction To Amino Acids"

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09:54 Popular
Introduction To Amino Acids

908 views / 0 likes - added 8 years ago

Understanding amino acids and their role in the Central Dogma of Molecular Biology (how the information in DNA eventually gets expressed as chains of amino acids). Thinking about the amino and carboxyl groups and how amino acids are typically found as zwi
07:51
Why Do Acids Burn?

136 views / 0 likes - added 1 year ago

You can feel the tingle of lemon in your mouth as the acid reacts with the surrounding tissue and receptors. You've probably seen how soda can dissolve a piece of meat after a couple days. But what's so special about these substances that it can seemingly
16:46
Conjugate Acids and Bases

421 views / 0 likes - added 9 years ago

Introduction to conjugate acids and bases More free lessons at: http://www.khanacademy.org/video?v=0LM6wPpypxM
08:57
Bronsted-Lowry Definition Of Acids And Bases

518 views / 0 likes - added 8 years ago

Bronsted-Lowry definition of acids and bases. Conjugate acids and bases.
07:50
Arrhenius Definition Of Acids And Bases

548 views / 0 likes - added 8 years ago

Arrhenius definition of acids and bases
03:48 Popular
The Strengths And Weaknesses Of Acids And Bases - George Zaidan And Charles Morton

946 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of-acids-and-bases-george-zaidan-and-charles-morton Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away t
14:49
pH, pOH of Strong Acids and Bases

574 views / 0 likes - added 9 years ago

Calculating the pH or pOH of strong acids and bases. More free lessons at: http://www.khanacademy.org/video?v=tS2YJPmKOFQ
08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

579 views / 0 likes - added 6 years ago

Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit
18:37
Acid Base Introduction

578 views / 0 likes - added 9 years ago

Arrhenius, Bronsted Lowry, and Lewis Acids and Bases. More free lessons at: http://www.khanacademy.org/video?v=vShCnTY1-T0
06:33
Introduction To Intercepts

613 views / 0 likes - added 9 years ago

Introduction to intercepts
06:56
Introduction To Slope

646 views / 0 likes - added 9 years ago

Introduction to slope
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06:18 Popular
Introduction To Combinations

742 views / 0 likes - added 9 years ago

Introduction to combinations
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Introduction To Rates

684 views / 0 likes - added 8 years ago

Introduction to rates
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Introduction To Entropy

483 views / 0 likes - added 8 years ago

Introduction to entropy
08:53
Introduction To Trigonometric Substitution

660 views / 0 likes - added 9 years ago

Introduction to trigonometric substitution
04:07 Popular
Focus And Directrix Introduction

735 views / 0 likes - added 9 years ago

Focus and directrix introduction
04:01 Popular
Introduction To Line Plots

825 views / 1 likes - added 9 years ago

Introduction to line plots
05:27
Introduction To Regrouping (borrowing)

688 views / 0 likes - added 9 years ago

Introduction to regrouping (borrowing)
08:01 Popular
Introduction To Cube Roots

745 views / 0 likes - added 8 years ago

Introduction to cube roots
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05:24 Popular
Introduction To Square Roots

704 views / 0 likes - added 8 years ago

Introduction to square roots
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03:50
Introduction To Proportional Relationships

680 views / 0 likes - added 8 years ago

Introduction to proportional relationships
09:36 Popular
Introduction To Interval Notation

787 views / 0 likes - added 8 years ago

Introduction to interval notation
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11:38
Introduction To Definition Of PH

546 views / 0 likes - added 8 years ago

Introduction to definition of pH
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08:21
Introduction To The Lorentz Transformation

546 views / 0 likes - added 8 years ago

Introduction to the Lorentz transformation
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Introduction To Nouns And Verbs

552 views / 0 likes - added 8 years ago

Basic introduction to nouns and verbs.
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Introduction to motion

604 views / 0 likes - added 9 years ago

Introduction to basic physics of motion. Introduces the concept of variable velocity/acceleration.
09:56
Introduction To Average Rate Of Change

683 views / 0 likes - added 8 years ago

Introduction to average rate of change
06:39 Popular
Introduction To Range Of A Function

738 views / 0 likes - added 8 years ago

Introduction to range of a function
10:07 Popular
Introduction To Metabolism: Anabolism And Catabolism

775 views / 0 likes - added 8 years ago

Introduction to metabolism: anabolism and catabolism
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18:59
Introduction to the Convolution

556 views / 0 likes - added 9 years ago

Introduction to the Convolution More free lessons at: http://www.khanacademy.org/video?v=IW4Reburjpc
09:25
Introduction to Torque

581 views / 0 likes - added 9 years ago

An introduction to torque More free lessons at: http://www.khanacademy.org/video?v=QhuJn8YBtmg
10:44
Introduction to Magnetism

627 views / 0 likes - added 9 years ago

An introduction to magnetism More free lessons at: http://www.khanacademy.org/video?v=8Y4JSp5U82I
06:46
Introduction to Chirality

491 views / 0 likes - added 9 years ago

Introduction to Chirality More free lessons at: http://www.khanacademy.org/video?v=tk-SNvCPLCE
14:19
Introduction to Cellular Respiration

526 views / 0 likes - added 9 years ago

Introduction to cellular respiration, glycolysis, the Kreb's Cycle, and the electron transport chain
10:02
Even and Odd Numbers - Basic Introduction

667 views / 0 likes - added 2 years ago

This math video tutorial provides a basic introduction into even and odd numbers.
13:03
Introduction to Waves

469 views / 0 likes - added 9 years ago

Introduction to transverse and longitudinal waves More free lessons at: http://www.khanacademy.org/video?v=c38H6UKt3_I
06:38
Introduction to compound interest

490 views / 0 likes - added 9 years ago

Introduction to compound interest More free lessons at: http://www.khanacademy.org/video?v=Rm6UdfRs3gw
10:59
Ether Naming and Introduction

504 views / 0 likes - added 9 years ago

Ether Naming and Introduction More free lessons at: http://www.khanacademy.org/video?v=roUGDG1rhPI
10:45
Geometric Sequences (Introduction)

616 views / 0 likes - added 9 years ago

Geometric Sequences (Introduction) More free lessons at: http://www.khanacademy.org/video?v=pXo0bG4iAyg
09:19
Introduction to Exponential Decay

458 views / 0 likes - added 9 years ago

Introduction to Exponential Decay More free lessons at: http://www.khanacademy.org/video?v=HTDop6eEsaA
09:18
Introduction to work and energy

686 views / 0 likes - added 9 years ago

Introduction to work and energy More free lessons at: http://www.khanacademy.org/video?v=2WS1sG9fhOk
10:37
Introduction to the Doppler Effect

672 views / 0 likes - added 9 years ago

Introduction to the Doppler Effect More free lessons at: http://www.khanacademy.org/video?v=dc7l7Qqa8xk
12:04
Currency Exchange Introduction

572 views / 0 likes - added 9 years ago

Introduction to how exchange rates can fluctuate More free lessons at: http://www.khanacademy.org/video?v=itoNb1lb5hY
13:44
Introduction To Special Relativity And Minkowski Spacetime Diagrams

672 views / 0 likes - added 8 years ago

Introduction to special relativity and Minkowski spacetime diagrams
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Introduction to Random Variables

504 views / 0 likes - added 9 years ago

Introduction to random variables and probability distribution functions. More free lessons at: http://www.khanacademy.org/video?v=IYdiKeQ9xEI
10:02
Introduction to mechanical advantage

615 views / 0 likes - added 9 years ago

Introduction to simple machines, mechanical advantage and moments. More free lessons at: http://www.khanacademy.org/video?v=pfzJ-z5Ij48
05:20
Introduction to i and Imaginary Numbers

659 views / 0 likes - added 9 years ago

Introduction to i and imaginary numbers More free lessons at: http://www.khanacademy.org/video?v=ysVcAYo7UPI
10:23 Popular
Chi-Square Distribution Introduction

752 views / 0 likes - added 9 years ago

Chi-Square Distribution Introduction More free lessons at: http://www.khanacademy.org/video?v=dXB3cUGnaxQ
10:57 Popular
Introduction To Energy

788 views / 0 likes - added 8 years ago

Introduction to energy: potential and kinetic energy. Law of conservation of energy.
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15:47
Linear Algebra: Cross Product Introduction

568 views / 0 likes - added 9 years ago

Introduction to the cross product More free lessons at: http://www.khanacademy.org/video?v=pJzmiywagfY
11:22
Introduction to Reaction Mechanisms

476 views / 0 likes - added 9 years ago

Introduction to Reaction Mechanisms . Addition reaction to an alkene More free lessons at: http://www.khanacademy.org/video?v=Z_GWBW_GVGA
17:39
Introduction to Evolution and Natural Selection

533 views / 0 likes - added 9 years ago

Introduction to evolution, variation in a population and natural selection More free lessons at: http://www.khanacademy.org/video?v=GcjgWov7mTM
08:50
Banking 5: Introduction to Bank Notes

618 views / 0 likes - added 9 years ago

Introduction to bank notes (which you are more familiar with than you realize). More free lessons at: http://www.khanacademy.org/video?v=cNFLqhU4MN0
10:20
Introduction to Tension

658 views / 0 likes - added 9 years ago

An introduction to tension. Solving for the tension(s) in a set of wires when a weight is hanging from them. More free lessons at: http://www.khanacademy.org/video?v=_UrfHFEBIpU
18:54
Linear Algebra: Introduction to the inverse of a function

639 views / 0 likes - added 9 years ago

Introduction to the inverse of a function More free lessons at: http://www.khanacademy.org/video?v=-eAzhBZgq28
18:18
Introduction To Mortgage Loans

640 views / 0 likes - added 9 years ago

Explains mortgages. This will help you understand what you are doing when you are paying a mortgage. More free lessons at: https://www.khanacademy.org/economics-finance-domain/core-finance/housing/mortgages-tutorial/v/introduction-to-mortgage-loans
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

930 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
05:38
Neural Networks (E01: introduction)

385 views / 0 likes - added 5 years ago

This series is intended as a light introduction to neural networks, with a focus on the task of classifying handwritten digits. All programming will be done in python (v3.6). Support the creation of more tutorials: https://www.patreon.com/SebastianLague
14:02
Electrostatics (part 1): Introduction to Charge and Coulomb's Law

598 views / 0 likes - added 9 years ago

Introduction to Charge and Coulomb's Law (video from May 2008 that I forgot to upload) More free lessons at: http://www.khanacademy.org/video?v=NXMgvrS8Gr8
10:57
Number Systems Introduction - Decimal, Binary, Octal & Hexadecimal

287 views / 0 likes - added 3 years ago

This video provides a basic introduction into number systems such decimal, binary, octal and hexadecimal numbers:Full 30 Minute Video:https://www.youtube.com/watch?v=PlbH_t0akAA
03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

602 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
21:02 Popular
Introduction to Inclined Planes

724 views / 0 likes - added 3 years ago

This physics video tutorial provides a basic introduction into inclined planes. It covers the most common equations and formulas that you need to solve inclined plane physics problems. It provides the formulas needed to calculate the normal force, the com
16:43 Popular
Introduction to Statistics

829 views / 0 likes - added 3 years ago

This video tutorial provides a basic introduction into statistics. It explains how to find the mean, median, mode, and range of a data set. It also explains how to find the interquartile range, quartiles, percentiles as well as any outliers. The full vers
15:46
Linear Algebra: Introduction to Linear Independence

572 views / 0 likes - added 9 years ago

Linear Algebra: Introduction to linear dependence and independence More free lessons at: http://www.khanacademy.org/video?v=CrV1xCWdY-g
04:30 Popular
Calculus Limits - Easy Problem and Introduction

1,247 views / 0 likes - added 7 years ago

Learning Calculus limits is a breeze with this problem and introduction. This example is an easy problem. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra help. Check out my website i
03:34 Popular
Introduction To Agreement | Verbs | The Parts Of Speech

785 views / 0 likes - added 7 years ago

When you match up the subject of a sentence with a verb, it's called 'agreement'. Here's how it works! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-verb-agreement M
05:47 Popular
Imaginary Numbers Are Real [Part 1: Introduction]

1,547 views / 1 likes - added 7 years ago

More information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending our number system. Imaginary numbers are all about the discovery of numbers existing not in one dimen
04:50
Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

603 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k
07:33 Popular
Introduction to Electric Fields

1,063 views / 0 likes - added 6 years ago

A simple and comprehensive introduction to electric fields. Covers the basics like the electric field of a charge, electric field lines and the electric field equation. Hi! I'm Jade. I make fun physics videos that will make you smarter while making you sm
01:24
AT&T Archives: Introduction to the Dial Telephone

480 views / 0 likes - added 5 years ago

See more from the AT&T Archives at http://techchannel.att.com/archives This short subject newsreel was shown in movie theaters the week before a town's or region's telephone exchange was to be converted to dial service. It's extremely short—a li
06:56
An introduction to coding with an Arduino | Do Try This At Home | We The Curious

373 views / 0 likes - added 4 years ago

What is code? What is an 'Arduino'? This introduction to coding will help you take your first steps in tinkering with hobby electronics at home as Heather and Beth investigate the applications of coding a Mars rover.Arudino projects and tutorials:http://w
06:55 Popular
What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

1,699 views / 0 likes - added 8 years ago

Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable
07:38 Popular
Introduction To Electric Charge

1,397 views / 0 likes - added 6 years ago

A simple and easy introduction to electricity. It covers electric charge, the discovery of electricity, the nature of electricity and some of the more technical stuff for the classroom for you students. Hi! I'm Jade. I make physics videos that will make y
01:18
Learn To Code With The Powerpuff Girls: Introduction | Cartoon Network

564 views / 0 likes - added 7 years ago

Cartoon Network has teamed up with the M.I.T. Scratch Team to create an awesome playlist featuring all the best coding videos out there! Be sure to watch the entire playlist all the way through so you can learn what coding is, what you can do with code, a
20:57
But what is the Fourier Transform? A visual introduction.

142 views / 0 likes - added 1 year ago

An animated introduction to the Fourier Transform. Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: http://3b1b.co/fourier-thanks
07:37
Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

646 views / 0 likes - added 6 years ago

Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy

611 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
1:27:26 Popular
Calculus 1 Lecture 1.1: An Introduction to Limits

855 views / 0 likes - added 8 years ago

Calculus 1 Lecture 1.1: An Introduction to Limits. Great intro video on Calculus.
07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

634 views / 0 likes - added 8 years ago

The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

1,900 views / 0 likes - added 8 years ago

Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy

799 views / 0 likes - added 6 years ago

An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/
22:58
Geometry Introduction - Basic Overview - Review For SAT, ACT, EOC, Midterm Final Exam

457 views / 0 likes - added 2 years ago

The full version of this geometry review tutorial provides a basic introduction into common topics taught in geometry such as angles and measurement, area, perimeter, volume, surface area. It covers shapes such as circles, squares, rectangles, right trian
07:32
Introduction to Inflation

555 views / 0 likes - added 9 years ago

Basics of price inflation and the CPI (consumer price index) More free lessons at: http://www.khanacademy.org/video?v=AaR1mPrdbTc
08:42
Introduction to bonds

515 views / 0 likes - added 9 years ago

What it means to buy a bond More free lessons at: http://www.khanacademy.org/video?v=Qh-M3_L4xYk
09:37
Introduction to Light

507 views / 0 likes - added 9 years ago

Light and electromagnetic radiation More free lessons at: http://www.khanacademy.org/video?v=rLNM8zI4Q_M
17:27
Introduction to Heredity

450 views / 0 likes - added 9 years ago

Heredity and Classical Genetics. Dominant and recessive traits. Heterozygous and homozygous genotypes. More free lessons at: http://www.khanacademy.org/video?v=eEUvRrhmcxM
21:05
Introduction to the atom

497 views / 0 likes - added 9 years ago

The atom, proton, neutron and electron More free lessons at: http://www.khanacademy.org/video?v=1xSQlwWGT8M
15:27
Introduction to Kinetics

411 views / 0 likes - added 9 years ago

Kinetics, activation energy, activated complex and catalysts. More free lessons at: http://www.khanacademy.org/video?v=__zy-oOLPug
13:06
Spectrophotometry Introduction

449 views / 0 likes - added 9 years ago

Spectrophotometry, Transmittance, Absorbance and the Beer-Lambert Law More free lessons at: http://www.khanacademy.org/video?v=qbCZbP6_j48
11:51
Introduction to matrices

540 views / 0 likes - added 9 years ago

What a matrix is. How to add and subtract them.
14:37
Introduction to Projections

649 views / 0 likes - added 9 years ago

Determining the projection of a vector on s line More free lessons at: http://www.khanacademy.org/video?v=27vT-NWuw0M
15:43
Introduction to Gravity

665 views / 0 likes - added 9 years ago

Basics of gravity and the Law of Universal Gravitation More free lessons at: http://www.khanacademy.org/video?v=Xcel427Ezl0
09:18
Introduction to Momentum

445 views / 0 likes - added 9 years ago

What momentum is. A simple problem involving momentum. More free lessons at: http://www.khanacademy.org/video?v=XFhntPxow0U
07:08
PTX - An Introduction

507 views / 1 likes - added 9 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
12:19
Semiconductor Introduction

514 views / 0 likes - added 9 years ago

How N-type and P-type semiconductors are made of silicon doped with phosphorous or boron.
06:26
Introduction To Decimals

626 views / 0 likes - added 8 years ago

Understanding decimal place value to the right of the decimal.
09:30
Introduction To Physics

535 views / 0 likes - added 8 years ago

An overview video of what physics is about as we delve deeper in future videos!
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07:45 Popular
Introduction to chemistry

805 views / 0 likes - added 6 years ago

A big picture intro to chemistry and why it is fascinating. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a fir
02:46 Popular
Introduction to Grammar | Grammar | Khan Academy

961 views / 0 likes - added 6 years ago

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa
05:02
Consumer Surplus Introduction

511 views / 0 likes - added 9 years ago

Consumer surplus as difference between marginal benefit and price paid More free lessons at: http://www.khanacademy.org/video?v=_6kwhF6hoqQ
18:27
Introduction to mortgage loans

470 views / 0 likes - added 9 years ago

Explains mortgages. This will help you understand what you are doing when you are paying a mortgage. More free lessons at: http://www.khanacademy.org/video?v=IDHJCEKeHLc
08:10
Introduction to angular velocity

522 views / 0 likes - added 9 years ago

Angular velocity or how fast something is spinning.
11:03 Popular
Big Bang Introduction

739 views / 1 likes - added 9 years ago
17:39
Introduction to Oxidation States

486 views / 0 likes - added 9 years ago

Oxidation and reduction. Oxidation states.
15:27
Introduction to the Income Statement

422 views / 0 likes - added 9 years ago

The income statement, revenue, gross profit, operating profit, net income, ROA and ROE. More free lessons at: http://www.khanacademy.org/video?v=Z7C4cz2HkeY
26:24
Introduction to the Normal Distribution

641 views / 0 likes - added 9 years ago

Exploring the normal distribution More free lessons at: http://www.khanacademy.org/video?v=hgtMWR3TFnY
08:39
Introduction to Vectors and Scalars

482 views / 0 likes - added 9 years ago

Distance, displacement, speed and velocity. Difference between vectors and scalars More free lessons at: http://www.khanacademy.org/video?v=ihNZlp7iUHE
10:04
Introduction to Harmonic Motion

468 views / 0 likes - added 9 years ago

Intuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q-_jkJVs
09:13
Chemical Reactions Introduction

651 views / 1 likes - added 8 years ago

Reactants and products in reversible and irreversible chemical reactions.
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54:42
Quantum Biology: An Introduction

553 views / 1 likes - added 8 years ago

What is quantum biology? Philip Ball explains how strange quantum effects take place in the messy world of biology, and how these are behind familiar biological phenomena such as smell, enzymes and bird's migration. Subscribe for regular science videos: h
09:18
First Law Of Thermodynamics Introduction

594 views / 0 likes - added 8 years ago

First Law of Thermodynamics - Energy cannot be created or destroyed. It can only be transferred or converted from one form to another.
03:39 Popular
Introduction To Subtraction | Basic Addition And Subtraction | Early Math | Khan Academy

747 views / 0 likes - added 8 years ago

Learn what it means to subtract. The examples used in this video are 4-3 and 5-2. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/subtractio
03:11
Introduction To Addition | Basic Addition And Subtraction | Early Math | Khan Academy

666 views / 0 likes - added 8 years ago

Learn what it means to add. The examples used in this video are 1+1 and 2+3. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/addition_1?utm_
09:38
Introduction to motion (part 2)

485 views / 0 likes - added 9 years ago

More on how velocity, distance, acceleration and time relate to each other.
04:32
Introduction to motion (part 3)

446 views / 0 likes - added 9 years ago

Using the basic equations of distance and velocity to solve motion problems
15:23
Simplifying Rational Expressions Introduction

516 views / 0 likes - added 9 years ago

Simplifying Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=7Uos1ED3KHI
18:09
Introduction to pH, pOH, and pKw

558 views / 0 likes - added 9 years ago

Autoionization of water into hydronium and hydroxide ions. pH, pOH, and pKa. More free lessons at: http://www.khanacademy.org/video?v=2q4vSKwaBtw
14:47
Introduction to the Price-to-Earnings Ratio

450 views / 0 likes - added 9 years ago

Price to Earnings Ration (or P/E ratio). More free lessons at: http://www.khanacademy.org/video?v=cppxO67e6eo
08:25
PTX VOL. II - An Introduction

493 views / 0 likes - added 9 years ago

ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:
05:37
Faraday's Law Introduction

511 views / 0 likes - added 8 years ago

How a current can be induced in a loop of wire by a change in magnetic flux.
08:12
Michelson Morley Experiment Introduction

495 views / 0 likes - added 8 years ago

Simple idea behind Michelson-Morley experiment to detect ether wind.
07:23 Popular
Introduction To Transformations | Transformations | Geometry | Khan Academy

1,725 views / 0 likes - added 8 years ago

Introduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=De
08:26
Peptide Bond Formation

634 views / 0 likes - added 8 years ago

How amino acids (including ones in zwitterion form) form peptide bonds (peptide linkages) through a condensation reaction (dehydration synthesis).
11:29 Popular
Introduction to Programs Data Types and Variables

707 views / 0 likes - added 9 years ago

Writing a basic program. Basics of data types, variables and conditional statements
10:08
Introduction to centripetal acceleration (part 1)

491 views / 0 likes - added 9 years ago

Intuition behind what it takes to make something travel in a circle
10:23
Introduction to the Null Space of a Matrix

668 views / 0 likes - added 9 years ago

Showing that the Null Space of a Matrix is a valid Subspace More free lessons at: http://www.khanacademy.org/video?v=jCwRV1QL_Xs
11:16
Linear Algebra: Introduction to Orthonormal Bases

666 views / 0 likes - added 9 years ago

Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ
07:43
Linear Algebra: Introduction to Eigenvalues and Eigenvectors

676 views / 0 likes - added 9 years ago

What eigenvectors and eigenvalues are and why they are interesting More free lessons at: http://www.khanacademy.org/video?v=PhfbEr2btGQ
08:38
Introduction to Newton's Law of Gravitation

508 views / 0 likes - added 9 years ago

A little bit on gravity More free lessons at: http://www.khanacademy.org/video?v=391txUI76gM
03:32
Introduction To Adjectives | Modifiers | The Parts Of Speech

700 views / 0 likes - added 7 years ago

Adjectives are the words we use to modify nouns. David explains how, with the help of a bear.
09:49 Popular
Induction - An Introduction: Crash Course Physics #34

889 views / 0 likes - added 7 years ago

This episode was sponsored by Prudential. Go to http://Raceforretirement.com and see how quickly 1% can add up. Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://ww
09:22
Banking 10: Introduction to leverage (bad sound)

666 views / 0 likes - added 9 years ago

What leverage is. Why it is is good or bad. Leverage and insolvency. More free lessons at: http://www.khanacademy.org/video?v=8fxilNdEQTo
06:47 Popular
Introduction: Crash Course U.S. Government and Politics

802 views / 0 likes - added 9 years ago

In which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it actually does functi
10:17 Popular
Introduction to the Solar System: Crash Course Astronomy #9

978 views / 1 likes - added 9 years ago

In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp
10:10 Popular
Introduction To Intellectual Property: Crash Course IP 1

819 views / 0 likes - added 9 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy

1,506 views / 0 likes - added 8 years ago

Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma
07:10
A Quick Introduction to Epigenetics - with Nessa Carey

246 views / 0 likes - added 3 years ago

Epigenetic modifications change the likelihood of gene expression, and through it create phenotype changes, without altering the DNA sequence itself.Watch the full talk: https://youtu.be/9DAcJSAM_BANessa's book "The Epigenetics Revolution" is available fo
1:01:43
A Brief Introduction to General Relativity - with Anthony Zee

359 views / 0 likes - added 3 years ago

Anthony Zee gives us a tour of gravity through Einstein's Theory of General Relativity.Anthony's book "On Gravity" is available now - https://geni.us/xAf86t.Starting with the discovery of gravity waves, Anthony goes on to explain how gravity can be unders
03:44
An Introduction to the James Webb Space Telescope Mission

218 views / 0 likes - added 2 years ago

A look at the James Webb Space Telescope, its mission and the incredible technological challenge this mission presents. Credit: NASA's Goddard Space Flight Center Michael McClare (KBRwyle): Lead Producer Michael McClare (KBRwyle): Lead Writer Adriana Manr
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,149 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
11:21 Popular
Introduction to Anatomy&Physiology: Crash Course A&P #1

849 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
04:28 Popular
Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,124 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers
03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

783 views / 0 likes - added 8 years ago

Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

610 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

567 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

562 views / 0 likes - added 6 years ago

Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad
04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

1,266 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize
04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

1,545 views / 0 likes - added 8 years ago

Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa
06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,593 views / 0 likes - added 7 years ago

Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that
04:21
Introduction To The SAT Reading Test | Tips & Planning | New SAT | Khan Academy

599 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-writing-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous lesson? https://www.khanacademy.org/test-prep/new-s
05:59 Popular
Introduction To Place Value | Place Value (tens And Hundreds) | Early Math | Khan Academy

1,003 views / 1 likes - added 8 years ago

Learn why we use a "ones place" and a "tens place" when writing numbers. This video uses the number 37 as an example. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/c
03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

1,168 views / 0 likes - added 8 years ago

Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w
07:48 Popular
Introduction To The SAT Writing & Language Test | Tips & Planning | New SAT | Khan Academy

753 views / 0 likes - added 8 years ago

This is the last video in our New SAT subject! Missed the previous lesson? https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-reading-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT New SAT (starting M
14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

1,901 views / 0 likes - added 8 years ago

What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
13:44
1.1: Introduction - Git and GitHub for Poets

364 views / 0 likes - added 4 years ago

In this first video of Git and GitHub for Poets, we go over the concepts of commits and repositories as well as an overview of the GitHub User Interface Contact: http://twitter.com/shiffman Next video: https://youtu.be/oPpnCh7InLY GitHub Repository for Us
12:12 Popular
Introduction to Astronomy: Crash Course Astronomy #1

717 views / 3 likes - added 9 years ago

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?" -- Table of Contents: What is Astronomy? 3:00 Who Studie
07:30 Popular
What Was The Miller-Urey Experiment?

740 views / 0 likes - added 5 years ago

Click this link to take a survey about this video: https://www.surveymonkey.com/r/X2D8D7R This animation was sponsored by the Center for Chemical Evolution, NSF, and NASA: http://centerforchemicalevolution.com/ Help support Stated Clearly on Patreon: http
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,161 views / 0 likes - added 8 years ago

Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.
03:38 Popular
Could Comets Be The Source Of Life On Earth? - Justin Dowd

1,591 views / 4 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/could-comets-be-the-source-of-life-on-earth-justin-dowd While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino a
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14:09 Popular
Biological Molecules - You Are What You Eat: Crash Course Biology #3

1,528 views / 0 likes - added 9 years ago

Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat. Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCou
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01:59 Popular
Your Hair is Strong Enough to Lift Two Elephants

867 views / 0 likes - added 7 years ago

THE QUICK AND THE CURIOUS Not that we suggest you try it… Human hair is composed of various amino acids that wrap around each other like chains on a molecular level. Subscribe to Science Channel: http://bit.ly/SubscribeScience Watch full episodes: http://
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11:23 Popular
pH and pOH: Crash Course Chemistry #30

909 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
11:17 Popular
Acid-Base Reactions in Solution: Crash Course Chemistry #8

1,414 views / 0 likes - added 9 years ago

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha
10:18
Functional Groups

511 views / 0 likes - added 8 years ago

Hydroxyl, sulfhydryl, carbonyl, carboxyl, amino and phosphate groups. Alcohols and thiols.
10:11
Functional Groups

557 views / 0 likes - added 8 years ago

Hydroxyl, sulfhydryl, carbonyl, carboxyl, amino and phosphate groups. Alcohols and thiols.
02:56
The Faint Young Sun Paradox!

680 views / 0 likes - added 7 years ago

This video was supported by the Heising-Simons Foundation. To learn more, visit https://www.heisingsimons.org/ Thanks also to our supporters on https://www.patreon.com/MinuteEarth : - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony
03:13 Popular
How To Make Fish Less Fishy (Chemistry Life Hacks)

879 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Freshly caught fish is delicious. But after a day or two, that filet in your fridge smells a little fishier, thanks to a stinky molecule known as trimethylamine. Is there any hope? This week, find out how to make fish
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05:20
The One Where We Put Stuff in Acid

690 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is
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18:32
Homochirality: Why Nature Never Makes Mirror Molecules

221 views / 0 likes - added 3 years ago

The first 500 people to use this link will get 2 free months of Skillshare Premium Membership: https://skl.sh/stevemould10Molecules of biological origin always have a fixed handedness or chirality. For example you only ever see right handed sugars and lef
11:04
Molecular Structure Of Triglycerides (Fats)

507 views / 0 likes - added 8 years ago

Understanding how a triglyceride (triacylglycerol) can be formed from a glycerol molecule and three fatty acids.
04:45
Can Your Computer Fight Diseases While You Sleep?

32 views / 0 likes - added 3 months ago

Computer simulations can aid in understanding how proteins fold incorrectly, possibly leading to therapeutics for some diseases such as cystic fibrosis and sickle cell anemia. You can be involved in this process directly using tools like Folding@home!TRY
14:33
pKa and pKb Relationship

516 views / 0 likes - added 9 years ago

The pKa and pKb relationship between conjugate acids and bases (both of which are weak). More free lessons at: http://www.khanacademy.org/video?v=3Gm4nAAc3zc
04:15
Did Comets Kickstart Life on Earth? — Speaking of Chemistry

588 views / 0 likes - added 7 years ago

That's right. Comets may have helped seed life on Earth. Far out, right? Sarah Everts has the chemical clues that back up this out-of-this-world hypothesis. ↓↓More info and references below↓↓ Comet collisions may have helped seed life on Earth | C&EN http
06:21
Tensile Strength Challenge: Cotton vs. Steel - Christmas Lectures with Charles Stirling

454 views / 0 likes - added 4 years ago

There are situations where cotton is stronger than steel.Subscribe for regular science videos: http://bit.ly/RiSubscRibeWatch the full fifth lecture of the series: https://www.rigb.org/christmas-lectures/watch/1992/our-world-through-the-looking-glass/in-t
03:08 Popular
The Extraordinary Life Cycle of a Hornet Colony

812 views / 1 likes - added 7 years ago

After a hornet queen lays hundreds of eggs, her workers set about feeding the larvae chewed-up prey. With tiny waists, the workers can't digest solid food; they instead subsist on drops of amino acid from the larvae. From: KILLER HORNETS http://bitly.com/
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

573 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
05:36
Recursive Factorial Function

599 views / 0 likes - added 9 years ago

Introduction to recursion.
07:22
Histograms

658 views / 0 likes - added 9 years ago

Introduction to histograms
04:17
Exocytosis

659 views / 0 likes - added 8 years ago

Introduction to exocytosis.
05:06
Automatic Transmission, How it works ?

540 views / 0 likes - added 6 years ago

We thank our current patrons for saving LE from death. To achieve our goal of 2 video release/ month (addition of one more team member), please support us at Patreon. https://www.patreon.com/LearnEngineering The working of an automatic transmission is bes
03:59
Proteins: Explained

531 views / 0 likes - added 2 years ago

To start using Tab for a Cause, go to: http://tabforacause.org/minuteearth2You might already know that proteins are a fundamental part of your diet, but they're much more than that.LEARN MORE**************To learn more about this topic, start your googlin
13:35 Popular
ATP: Adenosine Triphosphate

721 views / 0 likes - added 9 years ago

Introduction to ATP or Adenosine Triphosphate
06:45 Popular
Domain Of A Function

708 views / 0 likes - added 8 years ago

Introduction to domain of a function.
02:55
Types of Radiation

196 views / 0 likes - added 3 years ago

An introduction to alpha, beta, and gamma radiation
04:15 Popular
Exercise - Write a Fibonacci Function

1,346 views / 1 likes - added 9 years ago

Introduction to the Fibonacci Sequence and a programming challenge
08:45
Basic Trigonometry

616 views / 0 likes - added 9 years ago

An introduction to trigonometric functions: sine, cosine, and tangent.
10:05
Electron Configurations

615 views / 0 likes - added 9 years ago

Introduction to using the periodic table to determine electron configurations
09:49
Newton's Second Law of Motion

687 views / 0 likes - added 9 years ago

An introduction to Newton's Second Law of Motion. F=ma
09:28
Newton's First Law of Motion

594 views / 3 likes - added 9 years ago

Introduction to newton's first law of motion. Inertial frames of reference.
12:02
Glycolysis Overview

487 views / 0 likes - added 8 years ago

Introduction to glycolysis and its role in using glucose to produce ATPs, NADHs and pyruvate molecules.
01:31
Why you should never pour grease down the drain

469 views / 0 likes - added 6 years ago

It can be easy to just wash out your pan and whatever grease is left on it right after cooking, but you could be doing real damage to your pipes and the public sewer system when you do. Here's what you need to know. The following is a transcript of the vi
09:17
Basic Trigonometry

684 views / 1 likes - added 9 years ago

Introduction to trigonometry More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME
18:27
Bacteria

644 views / 0 likes - added 9 years ago

Introduction to bacteria More free lessons at: http://www.khanacademy.org/video?v=TDoGrbpJJ14
23:17
Viruses

447 views / 1 likes - added 9 years ago

Introduction to viruses More free lessons at: http://www.khanacademy.org/video?v=0h5Jd7sgQWY
13:38 Popular
Orbitals

706 views / 0 likes - added 9 years ago

An introduction to orbitals More free lessons at: http://www.khanacademy.org/video?v=yBrp8uvNAhI
09:56
Stoichiometry

509 views / 0 likes - added 9 years ago

Introduction to stoichiometry More free lessons at: http://www.khanacademy.org/video?v=SjQG3rKSZUQ
07:46
Amortization

447 views / 0 likes - added 9 years ago

Introduction to amortization More free lessons at: http://www.khanacademy.org/video?v=XfR3JSkSkJM
10:11 Popular
Permutations

829 views / 0 likes - added 9 years ago

Introduction to permutations More free lessons at: http://www.khanacademy.org/video?v=XqQTXW7XfYA
10:16 Popular
Combinations

1,005 views / 0 likes - added 9 years ago

Introduction to combinations More free lessons at: http://www.khanacademy.org/video?v=bCxMhncR7PU
14:14 Popular
Moments

860 views / 0 likes - added 9 years ago

Introduction to moments More free lessons at: http://www.khanacademy.org/video?v=ESusD8HRLBI
05:09
Did AI Just Solve a 50 Year Old Biology Problem?

39 views / 0 likes - added 3 months ago

You may remember Google's DeepMind from their AI system, AlphaGo, which beat the world champion Go player in 2016. DeepMind has recently achieved breakthrough success in accurately predicting protein structures, using its system, AlphaFold. TRY IT YOURSEL
08:24
Law of Supply

517 views / 0 likes - added 9 years ago

Introduction to the Law of Supply More free lessons at: http://www.khanacademy.org/video?v=3xCzhdVtdMI
28:06
DNA

565 views / 0 likes - added 9 years ago

An introduction to DNA More free lessons at: http://www.khanacademy.org/video?v=_-vZ_g7K6P0
06:13
Anatomy of a Neuron

652 views / 0 likes - added 9 years ago

Introduction to the neuron and its anatomy More free lessons at: http://www.khanacademy.org/video?v=ob5U8zPbAX4

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