glycolysis - Ch 7 1. Oxidation and _ occur together....

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Ch 7 1. Oxidation and _______ occur together. Answer: reduction 2. Due to its ability to carry electrons and free energy, _______ is the most common electron carrier in cells. Answer: NAD 3. Pyruvate is _______ to form acetate. Answer: oxidized 4. The chemiosmotic formation of ATP during the operation of the respiratory chain is called _______. Answer: oxidative phosphorylation 5. The loss of an electron by a ferrous ion (Fe 2+ ) to yield a ferric ion (Fe 3+ ) is called _______. Answer: oxidation 6. In a redox reaction, the reactant that becomes oxidized is called a _______. Answer: reducing agent 7. A chemical reaction resulting in the transfer of electrons or hydrogen atoms is called a _______ reaction. Answer: redox 8. The pathway for the oxidation of glucose to pyruvate is called _______. Answer: glycolysis 9. The conversion of glucose to lactic acid is a form of _______ . Answer: fermentation 10. Fatty acids must be converted to _______ before they can be used for respiratory ATP production. Answer: acetyl CoA 11. During alcoholic fermentation, NAD + is regenerated by the reduction of acetaldehyde to _______. Answer: ethanol 12. NAD is an abbreviation for _______. Answer: nicotinamide adenine dinucleotide 13. An enzyme that transfers a phosphate group from ATP to another protein is called a _______.
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Answer: kinase Multiple Choice 1. ATP is a. a short-term energy-storage compound. b. the cell’s principle compound for energy transfers. c. synthesized within mitochondria. d. the molecule all living cells rely on to do work. e. All of the above Answer: e 2. When a molecule loses hydrogen atoms (not hydrogen ions), it becomes a. reduced. b. oxidized. c. redoxed. d. hydrogenated. e. hydrolyzed. Answer: b 3. In the diagram shown above, the first reaction is _______, and the second reaction is _______. a. oxidation; oxidation b. oxidation; reduction c. reduction; reduction d. reduction; oxidation e. oxiduction; oxiduction Answer: a 4. The end product of glycolysis is a. pyruvate. b. the starting point for the citric acid cycle. c. the starting point for the fermentation pathway. d. Both a and b e. a, b, and c Answer: e 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. Answer: e
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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. Answer: b 7. When NADH donates two electrons to ubiquinone during respiration, ubiquinone is a. reduced. b. oxidized.
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This note was uploaded on 11/29/2011 for the course BIOLOGY BIO 187 taught by Professor Capco during the Spring '11 term at ASU.

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glycolysis - Ch 7 1. Oxidation and _ occur together....

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