Carboxypeptidase contains which mineral

Carboxypeptidase contains which
mineral ?
a) Copper
b) Zinc
c) Iron
d) None
Correct Answer - B
Ans. is ‘b’ i.e., Zinc
Zinc containing enzymes are carboxypeptidase, carbonic anhydrase,
alkaline phosphatase, lactate dehydrogenase, alcohol
dehydrogenase, glutamate dehydrogenase, RNA polymerase and
superoxide dismutase.