3-L1
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Questions and Answers

What is another name for the shunt pathway according to the text?

  • Pentose monophosphate pathway (correct)
  • EM pathway
  • Ribulose pathway
  • Glycolytic pathway
  • Where does the HMP shunt pathway occur within the cell?

  • Mitochondria
  • Cytosol (correct)
  • Cell membrane
  • Nucleus
  • How many molecules of glucose-6-phosphate enter the pentose phosphate pathway cycle?

  • Four
  • Three (correct)
  • Two
  • One
  • Which hydrogen acceptor is involved in the HMP pathway according to the text?

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

    What is produced in the EM pathway instead of CO2?

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

    Which stage of the Pentose Phosphate Pathway involves irreversible oxidative reactions?

    <p>Stage 1 oxidative reactions</p> Signup and view all the answers

    What is the primary function of the pentose phosphate pathway in erythrocytes?

    <p>Generation of NADPH to maintain reduced glutathione</p> Signup and view all the answers

    Which of the following organs does not require the oxidative reactions of the pentose phosphate pathway?

    <p>Skeletal muscle</p> Signup and view all the answers

    What is the primary function of the non-oxidative reactions of the pentose phosphate pathway?

    <p>Synthesis of nucleotides and nucleic acids</p> Signup and view all the answers

    What is the primary consequence of glucose-6-phosphate dehydrogenase (G6PD) deficiency in erythrocytes?

    <p>Decreased ability to detoxify free radicals</p> Signup and view all the answers

    Which of the following is a precipitating factor for hemolytic anemia in individuals with G6PD deficiency?

    <p>Ingestion of fava beans</p> Signup and view all the answers

    What is the primary function of NADPH generated by the pentose phosphate pathway in macrophages?

    <p>Generation of superoxide anion radicals to kill bacteria</p> Signup and view all the answers

    Which of the following is a characteristic of hemolytic anemia caused by G6PD deficiency?

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

    What is the primary function of NADPH generated by the pentose phosphate pathway in the lens of the eye?

    <p>Maintenance of lens protein transparency</p> Signup and view all the answers

    What is the primary function of NADPH generated by the pentose phosphate pathway in testes and ovaries?

    <p>Synthesis of steroid hormones</p> Signup and view all the answers

    What is the primary function of NADPH generated by the pentose phosphate pathway in lactating mammary glands?

    <p>Synthesis of fatty acids for milk production</p> Signup and view all the answers

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