Metabolic Pathways Quiz
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Questions and Answers

What is the fate of pyruvate under aerobic conditions?

  • Converted to fructose and enters the pentose phosphate pathway
  • Converted to lactate and enters the glycolysis pathway
  • Converted to acetyl CoA and enters the TCA cycle (correct)
  • Converted to glucose and stays in the cytoplasm

    • How is pyruvate transported into the mitochondria?

  • By a lactate transporter
  • By a fructose transporter
  • By a pyruvate transporter (correct)
  • By a glucose transporter

    • Which co-enzyme is required for the oxidative decarboxylation of pyruvate to acetyl CoA?

  • Co-enzyme A (CoA)
  • NAD
  • Thiamine pyrophosphate (TPP) (correct)
  • FAD+

    • Which enzyme catalyzes the oxidation of the hydroxyethyl group to form an acetyl group?

    <p>Dihydro Lipoyl Trans Acetylase (Enzyme 2)</p> Signup and view all the answers

    What is the last step in the Pyruvate Dehydrogenase Complex?

    <p>Oxidation of lipoamide</p> Signup and view all the answers

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