The cofactor for alcohol dehydrogenase is:

The non-protein part of an enzyme is known as:

Which enzyme's activity is regulated by calcium as a cofactor?

Which cofactor is essential for the activity of the protein phosphatase enzyme?

Statement $P$: Coenzymes are larger molecules compared to the protein part of enzymes.
Statement $Q$: Since the enzyme is inactive without the coenzyme,it forms the active site.

How are prosthetic groups different from co-factors?