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Cell Membrane and
Membrane Transport
Membrane Structure and Function
Composition: 98% Lipids
(75% phospholipids, 20% cholesterol, 5% glycolipids)
Membrane Structure and Function
Proteins: <2% (transmembrane & peripheral)
Membrane Structure and Function
Fluidity of the membrane
Cholesterol
Membrane Structure and Function
Protein Functions
Membrane Structure and Function
Protein Functions
Membrane Transport
Brownian Motion
• http://www.youtube.com/watch?v=cDcprgWiQEY
Membrane Transport
Passive—diffusion
Membrane Transport
Membrane Transport
Osmosis
Membrane Transport
Tonicity
Membrane Transport
Animals vs. Plants
Membrane Transport
Facilitated transport: passive but uses transport
proteins
Membrane Transport
Facilitated transport: Rate of diffusion is limited
by concentration
Membrane Transport
Active
Membrane Transport
Exocytosis vs. Endocytosis
• http://media.pearsoncmg.com/bc/bc_0media_bio/bioflix/bioflix.htm?cc7membrane
• http://www.youtube.com/watch?v=JnlULOjUhSQ&feature=related
Energy and the Cell
ATP
Energy and the Cell
ATP & phosphorylation
Energy and the Cell
ATP & phosphorylation
How Enzymes Function
Activation Energy
How Enzymes Function
Activation Energy
How Enzymes Function
Activation Energy
How Enzymes Function
http://www.youtube.com/watch?v=V4OPO6JQLOE
How Enzymes Function: Inhibition
How Enzymes Function: Inhibition
Feedback Inhibition

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Cell membrane and membrane transport

Notes de l'éditeur

  1. “Cell Membrane Detailed Diagram” by Dhatfield. Licensed under a CC-BY-SA 3.0 Unported license. https://commons.wikimedia.org/wiki/File:Cell_membrane_detailed_diagram_3.svg
  2. “Adenylate Cyclase” by Bensaccount. Released into public domain by the copyright holder. http://commons.wikimedia.org/wiki/File:Adenylate_cyclase.png
  3. Left: “Cell Membrane Detailed Diagram” by Dhatfield. Licensed under a CC-BY-SA 3.0 Unported license. https://commons.wikimedia.org/wiki/File:Cell_membrane_detailed_diagram_3.svg Right: “Dmawsoni Head Shot” by Paul Cziko. Licensed under a CC-BY-SA 3.0 Unported license. http://commons.wikimedia.org/wiki/File:Dmawsoni_Head_shot.jpg
  4. Replace Image
  5. Image from Boundless
  6. “Brownian Motion Gamboge” by Bernard H. Lavenda. (Public Domain). http://commons.wikimedia.org/wiki/File:Brownian_motion_gamboge.jpg
  7. Image content created by Lumen Learning.
  8. Replace Image
  9. Left: “Osmose” by Hans Hillewaert. Licensed under a CC-BY-SA 3.0 Unported license. https://en.wikipedia.org/wiki/File:Osmose_en.svg Right: Osmosis” by YassineMrabet. Licensed under a CC-BY-SA 3.0 Unported license. http://commons.wikimedia.org/wiki/File:Osmosis.svg
  10. “Osmotic pressure on blood cells diagram” by LadyofHats. Released into public domain by the copyright holder. https://en.wikipedia.org/wiki/File:Osmotic_pressure_on_blood_cells_diagram.svg
  11. Top: “Osmotic pressure on blood cells diagram” by LadyofHats. Released into public domain by the copyright holder. https://en.wikipedia.org/wiki/File:Osmotic_pressure_on_blood_cells_diagram.svg Bottom: “Turgor pressure on plant cells diagram” by LadyofHats. Released into public domain by the copyright holder. https://en.wikipedia.org/wiki/File:Turgor_pressure_on_plant_cells_diagram.svg
  12. Left: “Blausen 0213 Cellular Diffusion” by BruceBlaus. Licensed under a CC-BY 3.0 Unported license. https://commons.wikimedia.org/wiki/File:Blausen_0213_CellularDiffusion.png Right: “PDB 1j95 EBI” by Jawahar Swaminathan and MSD staff at the European Bioinformatics Institute. Released into public domain by copyright holder. http://commons.wikimedia.org/wiki/File:PDB_1j95_EBI.jpg
  13. Image content created by Lumen Learning
  14. Image from Boundless
  15. Left: “Endocytosis types” by LadyofHats. Released into public domain by the copyright holder. https://commons.wikimedia.org/wiki/File:Endocytosis_types.svg Right: Image from Boundless
  16. Image from Boundless
  17. Replace Image
  18. Replace Image
  19. “Carbonic anhydrase reaction in tissue” by Fvasconcellos. Licensed under a CC-BY-SA 3.0 Unported license. https://commons.wikimedia.org/wiki/File:Carbonic_anhydrase_reaction_in_tissue.svg
  20. Replace Image
  21. Image from OLI
  22. “Induced Fit Diagram” by TimVickers. Released into the public domain by copyright holder. https://commons.wikimedia.org/wiki/File:Induced_fit_diagram.svg
  23. Image from Boundless
  24. Image from Boundless