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MPF Activity Regulation in Mitosis Quiz
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MPF Activity Regulation in Mitosis Quiz

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Questions and Answers

What is the primary cause of the decrease in MPF activity at the end of mitosis?

  • Degradation of cyclin component (correct)
  • Activation of cyclin-dependent kinase
  • Inhibition of cyclin-dependent kinase
  • Increased synthesis of cyclin component

    • What directly leads to the reduction in MPF activity at the end of mitosis?

  • Ubiquitin-mediated proteolysis of cyclin (correct)
  • Enhanced binding of cyclin to CDK
  • Increased expression of cyclin
  • Phosphorylation of cyclin

    • What mechanism is responsible for the decline in MPF activity at the end of mitosis?

  • APC/C-mediated activation of cyclin
  • APC/C-mediated phosphorylation of cyclin
  • APC/C-mediated inhibition of cyclin
  • APC/C-mediated degradation of cyclin (correct)

    • What causes the decrease in the amount of MPF activity at the end of mitosis?

    <p>Degradation of cyclin component of MPF</p> Signup and view all the answers

    What factor directly leads to the reduction in MPF activity at the end of mitosis?

    <p>Anaphase-promoting complex (APC)</p> Signup and view all the answers

    What process is responsible for the decline in MPF activity at the end of mitosis?

    <p>Ubiquitin-mediated proteolysis</p> Signup and view all the answers

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