Zinc is an essential trace element for most organisms. Zinc is required in the active site of the enzyme carboxypeptidase where it most likely functions in which of the following ways?
A) as a noncompetitive inhibitor of the enzyme
B) as an allosteric activator of the enzyme
C) as a cofactor necessary for enzyme activity
D) as a coenzyme derived from a vitamin

Question

Quizplus · Accepted Answer

Zinc acts as a cofactor necessary for the activity of many enzymes, including carboxypeptidase, by stabilizing their structure or participating in their catalytic activity.

Zinc Is an Essential Trace Element for Most Organisms