term 1 week 3
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Questions and Answers

Glycolytic pathway regulation involves:

  • allosteric stimulation by ADP
  • allosteric inhibition by ATP
  • feedback, or product, inhibition by ATP
  • all of the above (correct)

    • In anaerobic conditions glycolysis will more efficient

  • A. because the pathways is shorter
  • B. glycolysis is not more efficient in anaerobic conditions (correct)
  • C. because all the reactions occur in the cytoplasm
  • D. because there is no requirement for ATP in the investment stage

    • . For every one molecule of sugar glucose oxidized, how many molecules of pyruvic acid are produced?

  • 1
  • 4
  • 2 (correct)
  • 32

    • A kinase is an enzyme that

    <p>uses ATP to add a phosphate group to the substrate</p> Signup and view all the answers

    Which of the following statements about hexokinase is not true?

    <p>The action of hexokinase to produce glucose-6- phosphate is reversible</p> Signup and view all the answers

    Which of the following is not true of glycolysis?

    <p>The pathway oxidizes two moles of NADH to NAD+ for each mole of glucose that enters</p> Signup and view all the answers

    The energy released by the oxidation of glucose is stored as

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

    Why does the glycolytic pathway continue in the direction of glucose catabolism?

    <p>There are essentially irreversible reactions that act as the driving force for the pathway</p> Signup and view all the answers

    The enzymes of glycolysis in a eukaryotic cell are located in the

    <p>. cytosol</p> Signup and view all the answers

    The glycolytic pathway (glucose → pyruvate) is found

    <p>in all living organisms</p> Signup and view all the answers

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