Test Your Knowledge on Glycogen Hydrolysis and Glucose Metabolism
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Questions and Answers

Which enzyme catalyzes the isomerization of glucose-1-phosphate to glucose-6-phosphate?

  • Glucose-6-phosphatase
  • Glycogen debranching enzyme
  • Phosphoglucomutase (correct)
  • Glycogen phosphorylase

    • What is the result of hydrolysis by glycogen phosphorylase?

  • 2 free glucose molecules
  • 1 free glucose molecule
  • 2 glucose-1-phosphate molecules (correct)
  • 1 glucose-1-phosphate molecule

    • Which enzyme catalyzes the dephosphorylation of glucose-6-phosphate in liver?

  • Glycogen phosphorylase
  • Phosphoglucomutase
  • Glycogen debranching enzyme
  • Glucose-6-phosphatase (correct)

    • What is the function of glycogen debranching enzyme?

    <p>Breaking down the branches of glycogen molecules</p> Signup and view all the answers

    What is the role of glucose-6-phosphatase in liver?

    <p>Hydrolyzing glucose-6-phosphate to glucose</p> Signup and view all the answers

    What can glucose-6-phosphate be used for in glycolysis?

    <p>To produce pyruvate</p> Signup and view all the answers

    What is the end product of hydrolysis by glycogen debranching enzyme?

    <p>1 free glucose molecule</p> Signup and view all the answers

    Which tissue contains glucose-6-phosphatase?

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

    What is the function of phosphoglucomutase?

    <p>Catalyzing the isomerization of glucose-1-phosphate to glucose-6-phosphate</p> Signup and view all the answers

    Which enzyme catalyzes the isomerization of glucose-1-phosphate to glucose-6-phosphate?

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

    What is the result of hydrolysis by glycogen phosphorylase?

    <p>2 glucose-1-phosphate molecules</p> Signup and view all the answers

    Which enzyme catalyzes the dephosphorylation of glucose-6-phosphate in liver?

    <p>Glucose-6-phosphatase</p> Signup and view all the answers

    What is the function of glycogen debranching enzyme?

    <p>Breaking down the branches of glycogen molecules</p> Signup and view all the answers

    What is the role of glucose-6-phosphatase in liver?

    <p>Hydrolyzing glucose-6-phosphate to glucose</p> Signup and view all the answers

    What can glucose-6-phosphate be used for in glycolysis?

    <p>To produce pyruvate</p> Signup and view all the answers

    What is the end product of hydrolysis by glycogen debranching enzyme?

    <p>1 free glucose molecule</p> Signup and view all the answers

    Which tissue contains glucose-6-phosphatase?

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

    What is the function of glycogen phosphorylase?

    <p>Catalyzing the isomerization of glucose-1-phosphate to glucose-6-phosphate</p> Signup and view all the answers

    What is the function of phosphoglucomutase?

    <p>Catalyzing the isomerization of glucose-1-phosphate to glucose-6-phosphate</p> Signup and view all the answers

    Which enzyme catalyzes the isomerization of glucose-1-P to glucose-6-P?

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

    What is the product of hydrolysis by glycogen phosphorylase?

    <p>2 glucose-1-phosphate molecules</p> Signup and view all the answers

    Which organ contains glucose-6-phosphatase?

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

    What is the function of glycogen debranching enzyme?

    <p>Catalyzes the breakdown of glycogen to glucose-1-phosphate</p> Signup and view all the answers

    What is the function of phosphoglucomutase?

    <p>Catalyzes the isomerization of glucose-1-phosphate to glucose-6-phosphate</p> Signup and view all the answers

    What is the function of glucose-6-phosphatase?

    <p>Catalyzes the conversion of glucose-6-phosphate to glucose</p> Signup and view all the answers

    What is the end product of hydrolysis by glycogen debranching enzyme?

    <p>1 free glucose molecule</p> Signup and view all the answers

    Which organs contain glucose-6-phosphatase?

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

    What is the function of glycogen phosphorylase?

    <p>Catalyzes the breakdown of glycogen to glucose-1-phosphate</p> Signup and view all the answers

    What is the function of glucose-1-phosphate?

    <p>It can be used in glycolysis</p> Signup and view all the answers

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