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Solution


Q.

The cofactor of the enzyme carboxypeptidase is              [2024]
1 zinc  
2 niacin  
3 flavin  
4 haem  

Ans.

(1)

Zinc is a cofactor (non-protein constituent) of the proteolytic enzyme carboxypeptidase. It makes the enzyme catalytically more active and their removal may result in loss of catalytic activity.