Epinephrine and Glycolysis
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Questions and Answers

Which enzyme in the heart is active when phosphorylated and is responsible for accelerating glycolysis in response to epinephrine?

  • PFK-1
  • PFK-4
  • PFK-2 (correct)
  • PFK-3

    • What effect does epinephrine have on liver glycolysis?

  • It has no effect
  • It promotes gluconeogenesis
  • It accelerates it
  • It stops it (correct)

    • What effect does epinephrine have on PFK-2 in the liver?

  • It activates it
  • It inhibits it (correct)
  • It has no effect
  • It turns it into PFK-1

    • What is the function of Phosphatase in the liver glycolysis pathway?

    <p>It turns F-2,6-P to F-6-P</p> Signup and view all the answers

    What is the function of PFK-1 in the glycolysis pathway?

    <p>It activates glycolysis</p> Signup and view all the answers

    What is the effect of glucagon on PFK-2 in the liver?

    <p>It inhibits it</p> Signup and view all the answers

    What is the function of PFKinase-2 in the heart glycolysis pathway?

    <p>It activates glycolysis</p> Signup and view all the answers

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