The full form of $NAD$ is .........

Carboxypeptidase requires $........$ for its activity.

Riboflavin is essential in our diet,as it is required for the synthesis of

Organic compounds that are tightly bound to apoenzyme are known as:

Which of the following is related to vitamin $B_2$?

Assertion : $A$ co-enzyme or metal ion that is very tightly bound to enzyme protein is called a prosthetic group.
Reason : $A$ complete,catalytically active enzyme together with its bound prosthetic group is called an apoenzyme.