Khan Academy, , Prof. Salman Khan
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Updated On 02 Feb, 19
Introduction to Evolution and Natural Selection - Intelligent Design and Evolution - Evolution Clarification - Natural Selection and the Owl Butterfly - DNA Variation in a Species - Chromosomes, Chromatids, Chromatin - Mitosis, Meiosis and Sexual Reproduction - Phases of Mitosis - Phases of Meiosis - Embryonic Stem Cells - Cancer - Introduction to Heredity - Punnett Square Fun - Hardy-Weinberg Principle - Sex-Linked Traits - Bacteria - Viruses - ATP: Adenosine Triphosphate - Introduction to Cellular Respiration - Oxidation and Reduction Review From Biological Point-of-View - Oxidation and Reduction in Cellular Respiration - Glycolysis - Krebs / Citric Acid Cycle - Electron Transport Chain - Oxidative Phosphorylation and Chemiosmosis - Photosynthesis: Light Reactions and Photophosphorylation,Calvin Cycle - Photorespiration - C-4 Photosynthesis - CAM Plants - Parts of a cell - Diffusion and Osmosis - The Lungs and Pulmonary System - Red blood cells - Circulatory System and the Heart - Hemoglobin - Anatomy of a Neuron - Sodium Potassium Pump - Correction to Sodium and Potassium Pump Video - Electrotonic and Action Potentials - Saltatory Conduction in Neurons - Neuronal Synapses (Chemical) - Myosin and Actin - Tropomyosin and troponin and their role in regulating muscle contraction - Role of the Sarcoplasmic Reticulum in Muscle Cells - Anatomy of a muscle cell - Role of Phagocytes in Innate or Nonspecific Immunity
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Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not.
Sep 12, 2018
Excellent course helped me understand topic that i couldn't while attendinfg my college.
March 29, 2019
Great course. Thank you very much.