metabolism, BMR - 1 2 3 4 Cellular respiration Fermentation...

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1. Cellular respiration 2. Fermentation 3. Metabolism 4. BMR
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Carbohydrate Metabolism The body’s preferred source to produce cellular energy (ATP) Glucose (blood sugar) is the major digestive product and serves as fuel to make ATP Figure 14.17
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Figure 14.18 Metabolic Pathways Involved in Cellular Respiration
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Glycolysis harvests chemical energy by oxidizing glucose to pyruvic acid Figure 6.9A Glucose Pyruvic acid Energy yield: 2 ATP and 2 NADH
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Pyruvic acid is altered for the citric acid cycle Figure 6.10 Pyruvic acid CO 2 Acetyl CoA (acetyl coenzyme A)
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enzymes convert acetyl to CO 2 and generate NADH and FADH 2 molecules The citric acid cycle completes the oxidation of organic fuel Figure 6.11A Acetyl CoA CITRIC ACID CYCLE 2 CO 2
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Steps in the Electron Transport System Figure 3.28 1. Set up H + gradient using energy of e- from NADH, FADH2 2. Downhill flow of H + is used to make ATP
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cell inner membrane outer membrane mitochondrion
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An overview of cellular respiration Figure 6.8 High-energy electrons
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