Question

what is the non protein part of the enzyme called?​

Answer 1

cofactor is the answer (check it somewhere else too. maybe it can be wrong)

Answer 2

Answer: Cofactor is a non protein part of the enzyme.

Explanation:

Cofactor is a non protein part of the enzyme. It can be metal ions or the organic chemical. The cofactors which are organic chemicals are known as coenzyme.  So, the correct answer is option C.