Enzymes and Digestion of Carbs, Proteins, Fats · Physiology

Which of the following is a characteristic of the enzyme Elastase?

  1. It is an endopeptidase that digests elastin and other proteins
  2. It is secreted in its active form by the salivary glands
  3. It specifically cleaves peptide bonds involving basic amino acids
  4. It is inhibited by the presence of hydrochloric acid
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Correct answer: It is an endopeptidase that digests elastin and other proteins

Elastase is a pancreatic endopeptidase secreted as proelastase and activated by trypsin. It is unique in its ability to digest elastin fibers found in meat.

Difficulty: Medium Question 36 of 40

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