Glycogen
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Questions and Answers

What is the primary location of glycogen breakdown in animals?

  • Liver
  • Pancreas
  • Muscle (correct)
  • Brain
  • Which organ provides a reservoir of glycogen that maintains the homeostasis of blood glucose?

  • Kidney
  • Liver (correct)
  • Lung
  • Heart
  • What is the composition of α-granules in the liver?

  • Lipid-rich granules composed of clustered β-granules
  • Glycogen-rich granules composed of clustered α-granules
  • Protein-rich granules composed of clustered β-granules (correct)
  • Nucleic acid-rich granules composed of clustered α-granules
  • What is the function of glycogenin dimer in the structure of a glycogen β-granule?

    <p>Serves as a primer</p> Signup and view all the answers

    What is the subcellular location of glycogen β-granules?

    <p>Cytosolic granules</p> Signup and view all the answers

    What is the primary function of glycogen breakdown in muscle?

    <p>Delivering glucose needed for muscle contraction within seconds</p> Signup and view all the answers

    What is the composition of α-granules in the liver?

    <p>Protein-rich granules composed of clustered β-granules</p> Signup and view all the answers

    What serves as a primer in the structure of a glycogen β-granule?

    <p>Glycogenin dimer</p> Signup and view all the answers

    What is the subcellular location of glycogen β-granules?

    <p>Cytosolic granules that vary in size, structure, and subcellular location</p> Signup and view all the answers

    What provides a reservoir that maintains homeostasis of blood glucose?

    <p>Glycogen stored in the liver</p> Signup and view all the answers

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