Glycolysis Overview Quiz
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Questions and Answers

What is the total energy change (∆G’˚) for the complete oxidation of glucose?

  • -3000
  • -2840 (correct)
  • -2500
  • -2100
  • Which reaction is catalyzed by hexokinase in glycolysis?

  • 3
  • 2
  • 4
  • 1 (correct)
  • What is the role of phosphofructokinase (PFK) in glycolysis?

  • 3 (correct)
  • 2
  • 1
  • 4
  • Which molecule is produced in the 'payoff' phase of glycolysis?

    <p>1</p> Signup and view all the answers

    Which enzyme is involved in the isomerization of dihydroxyacetone-phosphate (DHAP) to glyceraldehyde-3-phosphate (G3P)?

    <p>1</p> Signup and view all the answers

    What type of reaction does Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) catalyze?

    <p>1</p> Signup and view all the answers

    What is the primary function of phosphoglycerate kinase in glycolysis?

    <p>3</p> Signup and view all the answers

    Which of the following statements about glycolysis is true?

    <p>It yields a net gain of ATP.</p> Signup and view all the answers

    What is produced during glycolysis for each molecule of glucose?

    <p>Two molecules of ATP</p> Signup and view all the answers

    What type of phosphorylation occurs during the conversion of PEP to pyruvate?

    <p>Substrate-level phosphorylation</p> Signup and view all the answers

    Which enzyme is responsible for converting 2-phosphoglycerate into PEP?

    <p>Enolase</p> Signup and view all the answers

    What is the primary purpose of lactate fermentation in muscles during anaerobic conditions?

    <p>To regenerate NAD+ from NADH</p> Signup and view all the answers

    What are the two steps involved in the conversion of pyruvate to ethanol in some microorganisms?

    <p>Decarboxylation to Acetaldehyde and then Reduction to Ethanol</p> Signup and view all the answers

    What happens to pyruvate under anaerobic conditions in muscles?

    <p>It is reduced to Lactate</p> Signup and view all the answers

    Which enzyme is involved in the transfer of the phosphate group from C3 to C2 in the glycolysis pathway?

    <p>Phosphoglycerate Mutase</p> Signup and view all the answers

    What is the final product of glycolysis after the phosphorylation reactions?

    <p>Pyruvate</p> Signup and view all the answers

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