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Questions and Answers

What is the substrate utilized by glycogen synthase for the synthesis of glycogen?

  • Glucose-1-phosphate and glycogen
  • UDP and glucose-1-phosphate
  • UDP-glucose and glycogen
  • UDP-glucose and glucose-1-phosphate (correct)

    • What is the enzyme that activates glucose for glycogen synthesis?

  • UDP-glucose pyrophosphorylase (correct)
  • Branching enzyme
  • Amylo-(1,4-1,6)-transglycosylase
  • Glycogen synthase

    • What is the role of UDP in glycogen synthesis?

  • It is utilized by glycogen synthase to catalyze the incorporation of glucose into glycogen
  • It produces α-1,6 branches in glucose
  • It activates glucose for glycogen synthesis
  • It is released from the enzyme after the incorporation of glucose into glycogen (correct)

    • What is the function of amylo-(1,4-1,6)-transglycosylase in glycogen synthesis?

    <p>It produces α-1,6 branches in glucose (D)</p> Signup and view all the answers

    What is the substrate for the enzyme UDP-glucose pyrophosphorylase?

    <p>Glucose-1-phosphate and UDP (C)</p> Signup and view all the answers

    What is the energy source for the incorporation of glucose into glycogen by glycogen synthase?

    <p>The phospho-glycosyl bond of UDP-glucose (C)</p> Signup and view all the answers

    What is the role of branching enzyme in glycogen synthesis?

    <p>It produces α-1,6 branches in glucose (B)</p> Signup and view all the answers

    What is the non-reducing end of glycogen used for in glycogen synthesis?

    <p>It is used as a substrate by glycogen synthase (A)</p> Signup and view all the answers

    What is the role of UDP-glucose in glycogen synthesis?

    <p>It is a substrate for glycogen synthase (C)</p> Signup and view all the answers

    What is the product of amylo-(1,4-1,6)-transglycosylase in glycogen synthesis?

    <p>α-1,6 branches in glucose (C)</p> Signup and view all the answers

    What is the substrate utilized by glycogen synthase for the synthesis of glycogen?

    <p>UDP-glucose and glucose-1-phosphate (B)</p> Signup and view all the answers

    What is the enzyme that activates glucose for glycogen synthesis?

    <p>UDP-glucose pyrophosphorylase (D)</p> Signup and view all the answers

    What is the role of UDP in glycogen synthesis?

    <p>It is released from the enzyme after the incorporation of glucose into glycogen (B)</p> Signup and view all the answers

    What is the function of amylo-(1,4-1,6)-transglycosylase in glycogen synthesis?

    <p>It produces α-1,6 branches in glucose (D)</p> Signup and view all the answers

    What is the substrate for the enzyme UDP-glucose pyrophosphorylase?

    <p>Glucose-1-phosphate and UDP (D)</p> Signup and view all the answers

    What is the energy source for the incorporation of glucose into glycogen by glycogen synthase?

    <p>The phospho-glycosyl bond of UDP-glucose (A)</p> Signup and view all the answers

    What is the role of branching enzyme in glycogen synthesis?

    <p>It produces α-1,6 branches in glucose (D)</p> Signup and view all the answers

    What is the non-reducing end of glycogen used for in glycogen synthesis?

    <p>It is used as a substrate by glycogen synthase (C)</p> Signup and view all the answers

    What is the role of UDP-glucose in glycogen synthesis?

    <p>It is a substrate for glycogen synthase (A)</p> Signup and view all the answers

    What is the product of amylo-(1,4-1,6)-transglycosylase in glycogen synthesis?

    <p>α-1,6 branches in glucose (A)</p> Signup and view all the answers

    What is the role of UDP-glucose pyrophosphorylase in glycogen synthesis?

    <p>It activates glucose for glycogen synthesis (C)</p> Signup and view all the answers

    What is the substrate used by glycogen synthase in the synthesis of glycogen?

    <p>UDP-glucose (D)</p> Signup and view all the answers

    What is the function of amylo-(1,4-1,6)-transglycosylase in glycogen synthesis?

    <p>It produces α-1,6 branches in glucose (C)</p> Signup and view all the answers

    What is the energy source utilized by glycogen synthase to catalyze the incorporation of glucose into glycogen?

    <p>Phospho-glycosyl bond of UDP-glucose (D)</p> Signup and view all the answers

    What is the minimum length of the polymer required for amylo-(1,4-1,6)-transglycosylase to produce α-1,6 branches in glucose?

    <p>11 glucose residues (B)</p> Signup and view all the answers

    What is the function of UDP-glucose pyrophosphorylase in glycogen synthesis?

    <p>It activates glucose for glycogen synthesis (C)</p> Signup and view all the answers

    What is the role of UDP in glycogen synthesis?

    <p>It adds glucose to the glycogen chain (C)</p> Signup and view all the answers

    What is the non-reducing end of glycogen used for in glycogen synthesis?

    <p>To add glucose to the glycogen chain (A)</p> Signup and view all the answers

    What is the function of amylo-(1,4-1,6)-transglycosylase in the synthesis of glycogen?

    <p>It produces α-1,6 branches in glucose (D)</p> Signup and view all the answers

    What is the enzyme responsible for the activation of glucose for glycogen synthesis?

    <p>UDP-glucose pyrophosphorylase (D)</p> Signup and view all the answers

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