This 18-minute video lesson provides an introduction to evolution, variation in a …
This 18-minute video lesson provides an introduction to evolution, variation in a population, and Natural Selection. [Biology playlist: Lesson 1 of 71].
This 17-minute video lesson provides an introduction to heredity and classical genetics. …
This 17-minute video lesson provides an introduction to heredity and classical genetics. It looks at dominant and recessive traits as well as heterozygous and homozygous genotypes. [Biology playlist: Lesson 14 of 71].
This 16-minute video lesson looks at how one neuron can stimulate (or …
This 16-minute video lesson looks at how one neuron can stimulate (or inhibit) another neuron at a chemical synapse. [Biology playlist: Lesson 46 of 71].
This 17-minute video lesson looks at oxidation and reduction in cellular respiration. …
This 17-minute video lesson looks at oxidation and reduction in cellular respiration. It Reconciles the biology and chemistry definitions of oxidation and reduction. [Biology playlist: Lesson 23 of 71].
This 5-minute video lecture looks at oxidative phosphorylation and chemiosmosis (along with …
This 5-minute video lecture looks at oxidative phosphorylation and chemiosmosis (along with slight correction of previous video). [Biology playlist: Lesson 27 of 71].
This 12-minute video lesson looks at how professional antigen presenting cells present …
This 12-minute video lesson looks at how professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes). [Biology playlist: Lesson 54 of 71].
This 25-minute video lesson looks at the Punnett square diagram in the …
This 25-minute video lesson looks at the Punnett square diagram in the study of genetics. It covers dihybrid crosses, independent assortment, incomplete dominance, codominance and multiple alleles. [Biology playlist: Lesson 15 of 71].
This 16-minute video lesson looks at the role of phagocytes in innate …
This 16-minute video lesson looks at the role of phagocytes in innate or nonspecific immunity. It also discusses neutrophils, macrophages, and dendritic cells. MHC II. [Biology playlist: Lesson 51 of 71].
This 15-minute video lesson looks at the role of the sarcoplasmic reticulum …
This 15-minute video lesson looks at the role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell. [Biology playlist: Lesson 49 of 71].
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