Pepsin Enzyme Function and Activation
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Questions and Answers

Which enzyme converts pancreatic zymogen TRYPSINOGEN to TRYPSIN?

  • Chymotrypsinogen
  • Enteropeptidase (correct)
  • Elastase
  • Procarboxypeptidase
  • What is the role of TRYPSIN in the activation of other pancreatic zymogens?

  • It serves as a substrate for other zymogens
  • It inhibits the activation of zymogens
  • It is the common activator of all pancreatic zymogens (correct)
  • It plays no role in zymogen activation
  • Which amino acids contribute to the peptide bond cleaved by TRYPSIN?

  • Aspartic Acid and Glutamic Acid
  • Cysteine and Methionine
  • Arginine and Lysine (correct)
  • Phenylalanine and Tyrosine
  • What is the function of aminopeptidase on the luminal surface of the intestine?

    <p>It repeatedly cleaves the N-terminal residue from oligopeptides</p> Signup and view all the answers

    Which enzyme converts trypsinogen to trypsin?

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

    What is the role of Enteropeptidase in the activation cascade of proteolytic enzymes?

    <p>Activates all pancreatic zymogens by converting trypsinogen to trypsin</p> Signup and view all the answers

    Which enzyme has specificity for amino acid R-groups adjacent to susceptible peptide bonds?

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

    Which enzyme specifically cleaves when the carbonyl group of the peptide bond is contributed by Arginine or Lysine?

    <p>{Trypsin}</p> Signup and view all the answers

    'Aminopeptidase' is responsible for cleaving which part of oligopeptides?

    <p>N-terminal residue</p> Signup and view all the answers

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