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Inhibiting which of the following enzymes will block gluconeogenesis but not glycolysis?
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Pyruvate carboxylase
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Pyruvate kinase
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Phosphoglycerokinase
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Phosphenolpyruvate carboxykinase
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Phosphofructokinase-1
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- The control of which enzyme exerts the most control on glycolysis? hexokinase phosphofructokinase glucose-6-phosphatase aldolaseWhich of the following glycolytic enzymes must consume ATP during phosphorylation of its preferred substrate molecule? phosphoglycerate mutase pyruvate kinase succinate dehydrogenase hexokinase phosphoglycerate kinaseWhich of the following glycolytic enzymes neither produces nor consumes ATP? A. phosphofructokinaseB. triose phosphate isomeraseC. pyruvate kinaseD. phosphoglycerate kinaseE. hexokinase
- During glycolysis, the major energy generating step involves: pyruvate kinase phosphoglycerate kinase Phosphofructokinase glyceraldehyde-3 -dehydrogenaseGlycolysis Which is true and which is false about glycolysis -it takes place in the mitochondria -it has 9 steps - produces 5 ATPs from one molecule of glucoseWhich of the following reactions in glycolysis requires ATP as a substrate? Hexokinase Both Hexokinase and Pyruvate Kinase Glyceraldehyde 3 phosphate dehydrogenase (GAPDH) Pyruvate Kinase All of these enzymes requires ATP as a substrate
- Which glycolysis reactions are catalyzed by the following enzymes?(a) Pyruvate kinase(b) Glyceraldehyde 3-phosphate dehydrogenase(c) Hexokinase(d) Phosphoglycerate mutase(e) AldolaseTaking in consideration glycolysis, the pyruvate dehydrogenase complex, and the citric acid cycle, how many FAD molecules are reduced from a single molecules of glucose 2 FAD 4 FAD 1 FAD 3 FAD None of the aboveWhich of the following enzyme catalyzes the first step of glycolysis? Group of answer choices Hexokinase Pyruvate kinase Glucokinase Phosphofructokinase
- The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate do NOT involve: Group of answer choices ATP synthesis. catalysis by phosphoglycerate kinase. oxidation of NADH to NAD+. the formation of 1,3-bisphosphoglycerate.Which of the following glycolytic enzymes catalyzes the conversion of fructose-6-phosphate into fructose-1,6-bisphosphate, but does not produce any ATP or NADH in the process? phosphoglycerate kinase pyruvate kinase malate dehydrogenase glucokinase phosphofructokinaseThe first reaction in glycolysis that results in the formation of an energy-rich compound (i.e., a compound whose hydrolysis or oxidation has a highly negative ΔG'°) is catalyzed by: a. glyceraldehyde 3-phosphate dehydrogenase. b. hexokinase. c. phosphofructokinase-1. d. phosphoglycerate kinase. e. triose phosphate isomerase.