Gluconeogenesis and Alternative Brain Energy Sources Quiz
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Questions and Answers

Which organ(s) rely solely on glucose as an energy source?

  • Heart
  • Liver
  • Muscles
  • Brain, testes, erythrocytes, and kidney medulla (correct)

    • What is gluconeogenesis?

  • The conversion of glucose into glycogen
  • The synthesis of glucose from other organic compounds (correct)
  • The storage of glucose in the liver and muscles
  • The breakdown of glucose into other organic compounds

    • What is the alternative energy source for the brain during starvation?

  • Fatty acids
  • Glucose
  • Proteins
  • Ketone bodies (correct)

    • Which enzymes are required for gluconeogenesis?

    <p>Both mitochondrial and cytosolic enzymes</p> Signup and view all the answers

    What are some of the organic compounds that can be used for gluconeogenesis?

    <p>Lactate and oxaloacetate</p> Signup and view all the answers

    What is the function of gluconeogenesis?

    <p>To synthesize glucose from other organic compounds</p> Signup and view all the answers

    Which organs can use ketone bodies as an energy source during starvation?

    <p>Brain only</p> Signup and view all the answers

    What is the role of glycogen degradation in maintaining blood glucose levels?

    <p>To store glucose in the liver and muscles</p> Signup and view all the answers

    What happens to blood glucose levels during gluconeogenesis?

    <p>They remain constant</p> Signup and view all the answers

    Which organs require glucose as their sole energy source?

    <p>Brain, testes, erythrocytes, and kidney medulla</p> Signup and view all the answers

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