4-L1
12 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the process by which glucose is synthesized when stored glycogen is depleted?

  • Lipogenesis
  • Gluconeogenesis (correct)
  • Glycogenesis
  • Glycolysis

    • Which type of bonds are the branch points in the highly branched structure of glycogen?

  • α1-6 bonds (correct)
  • α1-4 bonds
  • β1-4 bonds
  • β1-6 bonds

    • Why is there a limit to the amount of glycogen that can be stored in tissues?

  • It attracts a lot of water due to its high polarity. (correct)
  • Glycogen synthesis is inhibited by excess glucose.
  • It is a non-polar molecule that repels water.
  • Tissues lack the enzymes needed to store glycogen.

    • Which organ can store up to approximately 100g of glycogen?

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

    What happens when the period between meals is long enough to deplete stored glycogen?

    <p>Gluconeogenesis occurs to synthesize glucose.</p> Signup and view all the answers

    What clinical condition can result from abnormal storage of glycogen?

    <p>Glycogen storage diseases</p> Signup and view all the answers

    Which enzyme catalyzes the irreversible inter-conversion of glucose and galactose?

    <p>Branching enzyme</p> Signup and view all the answers

    What is the result of the phosphorolysis process on the α-1-4 bonds during glycogen degradation?

    <p>Release of glucose 1-phosphate</p> Signup and view all the answers

    Which enzyme is required to attack the α1-6 branch points during glycogen degradation?

    <p>De-branching enzyme</p> Signup and view all the answers

    What is the fate of glucose 6-phosphate in muscle cells?

    <p>Enters glycolysis for energy</p> Signup and view all the answers

    Which hormone promotes the dephosphorylation of glycogen synthase?

    <p><strong>Insulin</strong></p> Signup and view all the answers

    What are the major features of glycogen storage diseases?

    <p><strong>Poor exercise tolerance</strong></p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser