Ch07_Test_File - Chapter 7: Pathways That Harvest Chemical...

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Unformatted text preview: Chapter 7: Pathways That Harvest Chemical Energy TEST FILE QUESTIONS Multiple Choice 1. ATP is a. a short-term energy-storage compound. b. the cells principal compound for energy transfers. c. synthesized within mitochondria. d. the molecule all living cells rely on to do work. e. All of the above Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 140 2. Which of the following statements about metabolic pathways is false? a. The product of one reaction becomes the reactant for the next reaction. b. They are a series of enzyme-catalyzed reactions. c. Almost all are anabolic. d. They are similar in all organisms. e. Many are compartmentalized in eukaryotes. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 140 3. Which of the following statements about metabolic pathways is true? a. Complex chemical transformations in the cell occur in a single reaction. b. Each reaction requires oxygen. c. In eukaryotes they occur in the cytoplasm. d. They vary from organism to organism. e. Each one is regulated by specific enzymes. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy, p. 140 4. When a molecule loses hydrogen atoms (as opposed to hydrogen ions), it becomes a. reduced. b. oxidized. c. redoxed. d. hydrogenated. e. hydrolyzed. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 141 5. In the conversion of succinate to fumarate, hydrogen atoms are transferred to FAD. The conversion of succinate and FAD to fumarate and FADH 2 is an example of a. hydrolysis. b. an allosteric reaction. c. a metabolic pathway. d. an aerobic reaction. e. a redox reaction. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 141 6. The oxidation of malate to oxaloacetate is coupled to the reduction of NAD + to NADH + H + . NAD + is a(n) a. reducing agent. b. oxidizing agent. c. vitamin. d. phosphate ester. e. phosphorylating agent. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 141 7. Which of the following processes occurs when oxygen is unavailable? a. Pyruvate oxidation b. The citric acid cycle c. Fermentation d. An electron transport chain e. All of the above Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 141 8. In all cells, glucose metabolism begins with a. glycolysis. b. fermentation. c. pyruvate oxidation. d. the citric acid cycle. e. chemiosmosis. Textbook Reference: 7.1 How Does Glucose Oxidation Release Chemical Energy? p. 141 9. When NADH donates two electrons to ubiquinone during respiration, ubiquinone is a. reduced. b. oxidized. c. phosphorylated. d. aerobic. e. hydrolyzed....
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Ch07_Test_File - Chapter 7: Pathways That Harvest Chemical...

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