Khan Academy Courses

Punnett Square Fun - Biomolecules - MCAT

Use Punnett squares to work through dihybrid crosses, independent assortment, incomplete dominance, codominance, and multiple alleles.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

DNA

An introduction to DNA and its role as a fundamental biological molecule.

• YouTube
• 28 minutes
• Self-Paced
• Free Video

Carnot Cycle and Carnot Engine - Thermodynamics - Physics

An introduction to the Carnot cycle and Carnot heat engine in thermodynamics.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Introduction to the Normal Distribution - Probability and Statistics

Explore the normal distribution as a foundational concept in probability and statistics.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Normal Distribution Excel Exercise - Probability and Statistics - Khan Academy

Use a spreadsheet to see how the normal distribution approximates the binomial distribution when the number of trials is large.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Napoleon and the War of the Third Coalition - World History - Khan Academy

Napoleon’s campaigns against the Third Coalition establish French dominance in Europe and culminate in his becoming emperor.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Haitian Revolution - Part 1 - World History - Khan Academy

An introduction to the Haitian Revolution, tracing the slave rebellion in Saint-Domingue and the rise of Toussaint L’Ouverture.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Helper T Cells - Immune System Physiology

Learn how helper T cells activate B cells as part of the adaptive immune response.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Linear Combinations and Span - Vectors and Spaces - Linear Algebra - Khan Academy

Understand how linear combinations generate the span of vectors in multidimensional spaces.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Phases of Meiosis

An overview of meiosis traces its major phases, from prophase through anaphase II, with attention to variation.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Phases of Mitosis

An explanation of mitosis that follows interphase through prophase, prometaphase, and metaphase.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Hairy Inflection Point Problem

Work through a challenging example of finding intervals, concavity, and inflection points using derivatives.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Transcription and mRNA Processing - Biomolecules - MCAT - Khan Academy

Learn how RNA polymerase transcribes DNA and how introns and exons are processed into mature mRNA.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Axis Momentum Accelerates in WW2 - The 20th Century - World History - Khan Academy

A 12-minute lesson on how Axis control expanded across Europe in 1941 before Germany invaded the Soviet Union and the United States entered World War II.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

DNA Replication and RNA Transcription and Translation

Learn how DNA replicates and how genetic information is transcribed into RNA and translated into proteins.

• YouTube
• 15 minutes
• Self-Paced
• Free Video