The Structure of the Cell Membrane Resting Membrane Potential

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Structure of the cell membrane Flip-flop rotation Lateral diffusion Phospholipide molecule (~40-60%) Polar (hydrophilic) head Non-polar (hydrophobic) tail Protein molecule (~30-50%) ~ 5 nm
Functions of the membrane poteins • Ion channels (Na + /K + ATPase) • Transporters (Aquaporin-H 2O transport) • Structural elements • Intracellular connections (anchoring – cytoskeleton) • Extracellular connection (gap junction: cell to cell contact between cardiac cell) • Signal transduction (action potential) • Receptors (insulin receptor)
Page 1 and 2: The Structure of the Cell Membrane
Page 3 and 4: Irving Langmuir 1881 - 1957 America
Page 6 and 7: Lipid bilayer • twice as much lip
Page 10 and 11: The main components of the intra- a
Page 12 and 13: Ionic concentrations inside and out
Page 14 and 15: Electrical potential ● Electric p
Page 16 and 17: Bernstein’s potassium hypothesis
Page 18 and 19: Bernstein’s potassium hypothesis
Page 20 and 21: Walther Hermann Nernst German physi
Page 22 and 23: Equlibrium (resting) condition NzFE
Page 24 and 25: Nernst equation E = RT zF ln X −
Page 26 and 27: What happens if the cell membrane i
Page 29 and 30: Donnan rule of equilibrium • Diff
Page 31 and 32: Goldman-Hodgkin-Katz Constant field
Page 33 and 34: Goldman equation The membrane poten

The Structure of the Cell Membrane Resting Membrane Potential

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