Question
Biology Question on Nutrition
For its activity, carboxypeptidase requires
A
zinc
B
iron
C
niacin
D
copper.
Answer
zinc
Explanation
Solution
Carboxypeptidase is an enzyme synthesized in pancreas and secreted into small intestine. It contains Zn (II) ions as a metal ion cofactor. This enzyme helps in protein digestion and becomes active in alkaline medium. It is mainly involved in the conversion of large peptides or polypeptides into dipeptides and amino acids.