Biochem_Ch. 15 - Chapter 15 Metabolism Basic Concepts and...

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Chapter 15 Metabolism: Basic Concepts and Design Matching Questions Use the following to answer questions 1-10: Choose the correct answer from the list below. Not all of the answers will be used. a) O 2 b) niacin c) phototrophs d) ATP e) CO 2 f) coenzyme A g) vitamin h) amphibolic i) ADP j) NADPH k) chemotrophs l) FAD 1 ____________ These organisms use energy from sunlight and convert it to chemical energy. Ans: c Section: Introduction 2 ____________ These organisms obtain chemical energy from oxidation of foodstuffs. Ans: k Section: Introduction 3 ____________ Pathways that can be either anabolic or catabolic depending on the energy conditions of the cell. Ans: h Section: 15.1 4 ____________ In aerobic organisms, this is the ultimate acceptor of electrons. Ans: a Section: 15.3 5 ____________ In aerobic metabolism, this is the product of oxidation of carbon containing fuels. Ans: e Section: 15.3 6 ____________ This vitamin is the electron carrier, NADH. Ans: b
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Metabolism: Basic Concepts and Design Section: 15.4 7 ____________ This substance is the electron donor in most reductive biosyntheses. Ans: j Section: 15.4 8 ____________ This compound serves as an acyl carrier in metabolism. Ans: f Section: 15.4 9 ____________ This is the “chemical currency” of metabolism. Ans: d Section: 15.2 10 ____________ These small organic compounds are required in the diet of higher organisms and are components of coenzymes. Ans: g Section: 15.4 Fill in the Blank Questions 11 _____________ is the first stage of catabolism and involves the degradation of macromolecules in food into smaller units. Ans: Digestion Section: 15.3 12 A thermodynamically unfavorable reaction can be driven by a thermodynamically favorable reaction to which it is ________________. Ans: coupled Section: 15.1 13 ATP is considered an “energy rich” compound because it contains two ______________ bonds. Ans: phosphoanhydride Section: 15.2 14 In the cell, the hydrolysis of an ATP molecule in a coupled reaction changes the equilibrium ratio of products to reactants by a factor of __________. Ans: 10 8 Section: 15.2 15 In vertebrate muscle, _________________ serves as a reservoir of high-potential phosphoryl groups that can be readily transferred to ADP to regenerate ATP. Ans: creatine phosphate Section: 15.2 16 In the second stage of catabolism, numerous small molecules are converted into _________________, a central molecule in metabolism. Ans:
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Biochem_Ch. 15 - Chapter 15 Metabolism Basic Concepts and...

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