Brain Metabolism and Vitamin Deficiencies
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Questions and Answers

Which of the following is a positive allosteric regulator of PDH phosphatase?

  • Ca2+ (correct)
  • Acetyl CoA
  • NADH
  • ATP

    • What is the role of PDH kinase in the regulation of PDH?

  • It deactivates PDH (correct)
  • It regulates the production of ATP
  • It has no effect on PDH
  • It activates PDH

    • Which vitamin deficiency can lead to Wernicke-Korsakoff syndrome?

  • Vitamin B6
  • Vitamin B1 (correct)
  • Vitamin B2
  • Vitamin B3

    • What is the effect of a deficiency in vitamin B3?

    <p>It leads to central nervous system problems</p> Signup and view all the answers

    What is a negative allosteric modulator of PDH kinase?

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

    How is PDH regulated by covalent modification?

    <p>cAMP-independent</p> Signup and view all the answers

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