Chapter 14 Glycolysis, Gluconeogenesis, and the Pentose
Chapter 14 Glycolysis, Gluconeogenesis, and the Pentose
Chapter 14 Glycolysis, Gluconeogenesis, and the Pentose
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162<strong>Chapter</strong> <strong>14</strong> <strong>Glycolysis</strong>, <strong>Gluconeogenesis</strong>, <strong>and</strong> <strong>the</strong> <strong>Pentose</strong> Phosphate Pathway19. <strong>Glycolysis</strong>Page: 530 Difficulty: 2 Ans: AThe first reaction in glycolysis that results in <strong>the</strong> formation of an energy-rich compound (i.e., acompound whose hydrolysis has a highly negative ∆G'°) is catalyzed by:A) glyceraldehyde 3-phosphate dehydrogenase.B) hexokinase.C) phosphofructokinase-1.D) phosphoglycerate kinase.E) triose phosphate isomerase.20. <strong>Glycolysis</strong>Page: 530 Difficulty: 1 Ans: DWhich of <strong>the</strong> following is a cofactor in <strong>the</strong> reaction catalyzed by glyceraldehyde 3-phosphatedehydrogenase?A) ATPB) Cu 2+C) hemeD) NAD +E) NADP +21. <strong>Glycolysis</strong>Page: 532 Difficulty: 2 Ans: AInorganic fluoride inhibits enolase. In an anaerobic system that is metabolizing glucose as asubstrate, which of <strong>the</strong> following compounds would you expect to increase in concentration following<strong>the</strong> addition of fluoride?A) 2-phosphoglycerateB) GlucoseC) GlyoxylateD) PhosphoenolpyruvateE) Pyruvate22. Feeder pathways for glycolysisPage: 534 Difficulty: 1 Ans: CGlycogen is converted to monosaccharide units by:A) glucokinase.B) glucose-6-phosphataseC) glycogen phosphorylase.D) glycogen synthase.E) glycogenase.