25-TestBank_TB - Chapter 25 Metabolism and Energetics Multiple Choice Questions 1 The sum of all of the biochemical processes going on within the

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Chapter 25 Metabolism and Energetics Multiple Choice Questions 1) The sum of all of the biochemical processes going on within the human body at any given time is called A) glycolysis. B) oxidative phosphorylation. C) catabolism. D) anabolism. E) metabolism. Answer: E Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 2) Cells synthesize new organic components for which of the following reasons? A) to perform structural maintenance B) growth and repair C) to produce secretions D) all of the above E) A and B only Answer: D Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 3) During glycolysis A) a molecule of glucose is converted into two molecules of pyruvic acid. B) 6 molecules of ATP are produced. C) carbon dioxide is produced. D) NADH 2 molecules attach to the cytochromes. E) more energy is used than is released. Answer: A Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms
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4) Inside the mitochondrion, each pyruvic acid molecule A) forms a molecule of citric acid. B) loses a carbon atom. C) attaches to NAD. D) directly enters the electron transport system. E) is phosphorylated. Answer: B Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 5) The TCA cycle A) begins with the formation of a molecule of citric acid. B) directly produces most of the ATP from the catabolism of glucose. C) does not form any carbon dioxide. D) contains enzymes called cytochromes. E) forms acetyl-CoA from glucose-6-phosphate. Answer: A Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 6) The carbon dioxide of respiration is formed during A) glycolysis. B) the TCA cycle. C) electron transport. D) the formation of pyruvic acid. E) the formation of water. Answer: B Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 7) In the electron transport chain A) coenzymes receive hydrogen atoms from NADH 2 and FADH 2 . B) oxidized molecules gain energy at the expense of reduced molecules.
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D) all of the above E) A and C only Answer: E Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 8) In glycolysis, each molecule of glucose that is metabolized releases enough energy to form how many molecules of ATP? A) 2 B) 4 C) 30 D) 36 E) 38 Answer: A Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 9) In the process of cellular respiration, each molecule of glucose that is metabolized yields enough energy to form _____ molecules of ATP. A) 2 B) 4 C) 30 D) 36 E) 38 Answer: D Diff: 1 Skill: Level 1 Questions: Reviewing Facts and Terms 10) During lipolysis A) triglycerides are converted into molecules of acetyl-CoA. B) triglycerides are broken down into glycerol and fatty acids. C) lipids are converted into glucose molecules.
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This note was uploaded on 07/16/2009 for the course BSC BSC1005 taught by Professor Magellantracy during the Spring '09 term at Miami Dade College, Miami.

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25-TestBank_TB - Chapter 25 Metabolism and Energetics Multiple Choice Questions 1 The sum of all of the biochemical processes going on within the

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