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Role of the Sarcoplasmic

By Salman Khan - Khan Academy
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Lecture Description

The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell.

Course Description

Covers topics seen in a first year college or high school biology course.

Course Index

  1. Introduction to Evolution, Variation in a Population and Natural Selection
  2. Arguments for Intelligent Design and Evolution
  3. Clarifying Points on Evolution
  4. The Owl Butterfly: Natural Selection
  5. DNA: Introduction
  6. How Variation in a Species Can Be Introduced
  7. DNA: Chromosomes, Chromatides, Chromatin, etc.
  8. Understanding Mitosis, Meiosis, and Sexual Reproduction
  9. Mitosis
  10. Meiosis
  11. Embryonic Stem Cells: Early Development
  12. Cancer: Broken DNA Replication
  13. Heredity: Genetics and Traits
  14. Punnet Square Fun Overview
  15. Hardy-Weinberg Equilibrium
  16. Gender: Sex Linked Traits
  17. Bacteria Introduction
  18. Viruses Introduction
  19. Adenosine Triphosphate: ATP Introduction
  20. Cellular Respiration
  21. Oxidation and Reduction Overview
  22. Introduction to Oxidation and Reduction in Cellular Respiration
  23. Glycolysis Introduction
  24. Krebs and the Citric Acid Cycle
  25. Electron Transport Chain
  26. Oxidative Phosphorylation and Chemiosmosis
  27. Photosynthesis
  28. Photosynthesis: Details of Light Reactions
  29. Calvin Cycle or the Light-independent Reactions of Photosythesis
  30. Calvin Cycle and Photorespiration Part 2
  31. C-4 Photosynthesis: How Some Plants Avoid Photorespiration
  32. CAM Plants
  33. Cell Parts
  34. Diffusion and Osmosis
  35. The Lungs and Pulmonary System
  36. Red Blood Cells: Oxygen Uptake by Hemoglobin
  37. Circulatory System and the Heart
  38. Hemoglobin
  39. Neuron: Anatomy
  40. Sodium Potassium Pump
  41. Electronic and Action Potentials
  42. Saltatory Conduction in a Neuron
  43. Neuronal Synapsis (Chemical)
  44. Myosin and Actin
  45. Tropomyosin and Troponin
  46. Role of the Sarcoplasmic
  47. Muscle Cell Structure
  48. Role of Phagocytes in Innate or Nonspecific Immunity
  49. Innate and Adaptive Humoral vs. Cell-Mediated Immune Responses
  50. B Cells: B Lymphocytes
  51. Professional Antigen Presenting Cells (APC) and MHC II Complexes
  52. Helper T Cells: Activating B Cells
  53. Cytotoxic T Cells: Activation by MHC-Vantigen Complexes
  54. Review of B Cells, CD4+ T Cells and CD8+ T Cells
  55. Inflammatory Response
  56. Kidney Function
  57. Secondary Active Transport in the Nephron