Lecture 3 - Cell Membrane Components Bio416K Spring 08

Lecture 3 - Cell Membrane Components Bio416K Spring 08 -...

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Total body water volume = 40 L, 60% body weight ICF fluid volume = 25 L (63%) ECF fluid volume = 15 L (37%) Interstitial volume = 12 L Plasma volume = 3 L Body Fluid Compartments
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Distribution of Water and Solutes 1) Water is able to distribute evenly throughout body - body at “Osmotic Equilibrium” 2) Movement of solutes restricted by transport properties of cell membrane – body is at “Chemical Disequilibrium” ECF ICF Figure 5-3, p. 131
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Cell Membrane – Lipids and Proteins
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Cell Membrane Microvilli and Cilia
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Cell Cytoskeleton
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Phospholipids:
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Cell Membrane Transport Proteins Channel Proteins Carrier Proteins (water and ions) (small organic molecules, e.g., glucose, amino acids) molecule to be transported
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Structure of Channel Proteins
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Gating of Channel Proteins 1. Chemical gating 2. Voltage gating 3. Mechanical gating
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Cell Membrane Transport Proteins Channel Proteins Carrier Proteins (water and ions) (small organic molecules, e.g., glucose, amino acids) molecule to be transported
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This note was uploaded on 04/16/2008 for the course BIO 416K taught by Professor Findell during the Spring '08 term at University of Texas at Austin.

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Lecture 3 - Cell Membrane Components Bio416K Spring 08 -...

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