A.P_Chapter_9_and_10_Test[1] - A.P. Biology: Chapter 9...

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Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What is the term used for the metabolic pathway in which glucose (C 6 H 12 O 6 ) is degraded to carbon dioxide (CO 2 ) and water? a. cellular respiration d. citric acid cycle b. glycolysis e. oxidative phosphorylation c. fermentation 2. Which of the following statements is (are) correct about an oxidation-reduction (or redox) reaction? a. The molecule that is reduced gains electrons. b. The molecule that is oxidized loses electrons. c. The molecule that is reduced loses electrons. d. The molecule that is oxidized gains electrons. e. Both A and B are correct. 3. The molecule that functions as the reducing agent (electron donor) in a redox or oxidation-reduction reaction a. gains electrons and gains energy. b. loses electrons and loses energy. c. gains electrons and loses energy. d. loses electrons and gains energy. e. neither gains nor loses electrons, but gains or loses energy. 4. When a molecule of NAD + (nicotinamide adenine dinucleotide) gains a hydrogen atom (not a hydrogen ion) the molecule becomes a. hydrogenated. d. redoxed. b. oxidized. e. a reducing agent. c. reduced. 5. Where does glycolysis takes place? a. mitochondrial matrix d. mitochondrial intermembrane space b. mitochondrial outer membrane e. cytosol c. mitochondrial inner membrane 6. The ATP made during glycolysis is generated by a. substrate-level phosphorylation. b. electron transport. c. photophosphorylation. d. chemiosmosis. e. oxidation of NADH to NAD + . 7. The oxygen consumed during cellular respiration is involved directly in which process or event? a. glycolysis b. accepting electrons at the end of the electron transport chain c. the citric acid cycle d. the oxidation of pyruvate to acetyl CoA e. the phosphorylation of ADP to form ATP 8. Which process in eukaryotic cells will proceed normally whether oxygen (O 2 ) is present or absent? a. electron transport d. oxidative phosphorylation b. glycolysis e. chemiosmosis c. the citric acid cycle 9. Which of the following statements about glycolysis false ?
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a. Glycolysis has steps involving oxidation-reduction reactions. b. The enzymes of glycolysis are located in the cytosol of the cell. c. Glycolysis can operate in the complete absence of O2. d. The end products of glycolysis are CO2 and H2O. e. Glycolysis makes ATP exclusively through substrate-level phosphorylation. 10. Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed during glycolysis ? a. 0% b. 2% c. 10% d. 38% e. 100% 11. In addition to ATP, what are the end products of glycolysis? a. CO 2 and H 2 O d. CO 2 and NADH b. CO 2 and pyruvate e. H 2 O, FADH 2 , and citrate c. NADH and pyruvate 12. In glycolysis, for each molecule of glucose oxidized to pyruvate a. 2 molecules of ATP are used and 2 molecules of ATP are produced. b.
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A.P_Chapter_9_and_10_Test[1] - A.P. Biology: Chapter 9...

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