Khan Academy
Khan Academy: Biology: Dna
A detailed introduction to dioxyribonucleic acid, otherwise known as DNA. [28:05]
Khan Academy
Khan Academy: Biology: Hardy Weinberg Principle
A detailed explanation of the Hardy-Weinberg Principle of genetic equilibrium. [14:57]
Khan Academy
Khan Academy: Biology: Electrotonic and Action Potentials
The foundation for understanding how neurons transmit signals. [18:53]
Khan Academy
Khan Academy: Biology: Parts of a Cell
A detailed description of the anatomy of a cell. [21:03]
Khan Academy
Khan Academy: Biology: Atp: Adenosine Triphosphate
An introduction to ATP, or adenosine triphosphate. [13:35]
Khan Academy
Khan Academy: Biology: C 4 Photosynthesis
The process of how some plants perform C-4 photosynthesis. [16:58]
Khan Academy
Khan Academy: Biology: Diffusion and Osmosis
A detailed explanation of the processes of diffusion and osmosis. [18:59]
Khan Academy
Khan Academy: Biology: Sodium Potassium Pump
A detailed explanation of how a neuron transmits information from a dendrite to an exon. [13:53]
Khan Academy
Khan Academy: Biology: The Kidney and Nephron
An explanation of how the kidney functions at its smallest level, the nephron. [18:38]
Khan Academy
Khan Academy: Biology: Secondary Active Transport in the Nephron
A detailed account of what occurs inside the nephron, allowing ions to be transported out of the lumen. [14:13]
Khan Academy
Khan Academy: Biology: Punnett Square Fun
Detailed examples of dihybrid crosses using a Punnett Square. [25:16]
Khan Academy
Khan Academy: Biology: Natural Selection and the Owl Butterfly
Used as a camoflauging mechanism, learn how the owl butterfly may have gotten its spots. [13:29]
Khan Academy
Khan Academy: Biology: Variation in a Species
An explanation of genetic variations within a species. [19:51]
Khan Academy
Khan Academy: Biology: Red Blood Cells
A detailed description of how oxygen is delivered to the body's tissues. [16:30]
Khan Academy
Khan Academy: Biology: Inflammatory Response
An overview of what occurs during an inflammatory response. [14:35]
Khan Academy
Khan Academy: Biology: Professional Apc and Mhc Ii Complexes
An explanation of the function of APC and MHC class II cells. [11:33]
Khan Academy
Khan Academy: Biology: Krebs/citric Acid Cycle
Become skilled at the process of the Krebs or Citric Acid Cycle. [17:47]
Khan Academy
Khan Academy: Biology: Tropomyosin and Troponin
An explanation of muscle contraction with tropomyosin and troponin. [9:22]
Khan Academy
Khan Academy: Biology: Hemoglobin
The transport system within the blood that helps ventilate the body. [14:34]
Khan Academy
Khan Academy: Biology: Electron Transport Chain
An in-depth discussion of the Electron Transport Chain. [17:16]
Khan Academy
Khan Academy: Biology: Role of Phagocytes in Innate or Nonspecific Immunity
An explanation of the part the inflammatory response within the immune system. [16:20]
Khan Academy
Khan Academy: Biology: Anatomy of a Neuron
The anatomy of a neuron is explained. [6:13]
Khan Academy
Khan Academy: Biology: Ape Clarification
A clarification on the evolution and natural selection video regarding apes having no tails. [1:04]
Khan Academy
Khan Academy: Biology: Cytotoxic T Cells
The role of cytotoxic T cells and how they terminate cells infected with viruses. [10:06]