BS111-Lecture 12 - Summary Lecture eleven Membrane...

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1 Summary Lecture eleven Membrane Transport/ diffusion, rate Simple diffusion: e.g Lipid membranes—Osmosis Facilitated diffusion Channel (gated) and carrier protein. Active Transport (Takes ATP hydrolysis) Primary Secondary Endo/Exocytosis
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2 I. Organization of proteins in membranes
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3 Diffusion: random walk
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4 Cholera Chain A Chain B’s one alpha/five beta chains Na+ H2O
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5 II. Glucose Oxidation and Chemical energy. Glucose is a “fuel” molecule: e.g combustion energy free O H CO O O H C + + + 2 2 2 6 12 6 6 6 6 ATP energy free P ADP i + + The most common fuel in organisms is glucose. Other molecules are first converted into glucose or other intermediate compounds.
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6 A. Components in Glucose Oxidation Food Digestion: intestine Stage 2 Stage 1 Stage 3
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7 III. Glucose metabolism and Cellular respiration. Cellular respiration Stage 3 Cytosol of cell Mitochondria of cell CO 2
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8 A. Glycolysis First: Steps 1-4 1 2 3 4 Committed Step.
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BS111-Lecture 12 - Summary Lecture eleven Membrane...

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