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JIPMER2005ZoologyDigestion and Absorption

Pepsin is inactivated at pH

Options

  1. Abelow 3
  2. Bbelow 2
  3. Cabove 5
  4. Dabove 3

Correct answer

C. above 5

Step-by-step solution

Pepsin is inactivated at pH above 5 . Pepsin is a proteolytic or protein splitting enzyme. The pH optimum of pepsin is about 2 and the enzyme, therefore, works well in the acidic gastric juice while it is inactivated in the basic medium.

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