The cofactor for alcohol dehydrogenase is:

Substances which enhance reactions after combining with enzymes are called

Which mineral elements act as members of the prosthetic group?

In which field is the study of co-factors conducted?

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.

What are the non-protein organic cofactors that are tightly bound to the apoenzyme called?