CH 7 HW - Homework N0. 4. (40 points) CH 7. How Cells...

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Homework N0. 4. (40 points) CH 7. How Cells Release Chemical Energy . I. Multiple Choices (0.5 points each). Select the one alternative that best completes the statement or answers the question then fill the corresponding box-square on the Scantron sheet. 1. When fats are broken down as energy sources, their components enter a. electron transport b. glycolysis and the Krebs cycle c. the Krebs cycle d. glycolysis e. glycolysis and electron transport 2. The ultimate electron acceptor in aerobic respiration is a. NADP + b. NAD + c. O 2 d. ADP e. CO 2 3. The conversion of PGAL to pyruvate is accompanied by a. the Krebs cycle b. photophosphorylation c. anaerobic respiration d. the electron transport chain e. substrate-level phosphorylation 4. The process in which glucose is converted to two three - carbon organic molecules and energy is released is called a. hydrolysis b. the Krebs cycle c. glycolysis d. photolysis e. the Calvin-Benson cycle 5. Glycolysis a. results in the production of pyruvate b. occurs in the mitochondria and results in the production of pyruvate c. occurs in the mitochondria d. occurs in the cytoplasm e. results in the production of pyruvate and occurs in the cytoplasm 6. During which phase of aerobic respiration is ATP produced directly by substrate-level phosphorylation? a. the Krebs cycle and glycolysis b. glycolysis c. acetyl CoA formation d. Krebs cycle e. all of these 7. Glycolysis depends on a continuous supply of a. pyruvate b. H 2 O c. NADH d. NAD + e. NADP 8. When blood glucose levels decrease (as between meals), what reserves are tapped first? a. glycogen b. steroids c. fats d. proteins e. amino acids 9. How many ATP molecules (net yield) are produced per molecule of glucose degraded during glycolysis? a.
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This note was uploaded on 12/21/2010 for the course BIO 03 taught by Professor Garcia during the Fall '08 term at Los Angeles City College.

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CH 7 HW - Homework N0. 4. (40 points) CH 7. How Cells...

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