Mineral Nutrition Question 9
9. For its activity, carboxypeptidase requires
(a) zinc
(b) iron
(c) niacin
(d) copper
Show Answer
Answer : a
Hints & Solution
(a) Carboxypeptidase is an exopeptidase enzyme secreted by the pancreas that acts only on the peptide linkage of a terminal amino acid containing a free carboxyl group. Zinc is a cofactor for carboxypeptidase. In Digestion of carboxypeptidase, requires zinc for its protein degrading action.
