Question

Nonprotein part of enzyme is

• A. Catalytic agent
• B. Cofactor
• C. Active site
• D. Apoenzyme

Answer 1

The correct option is B Cofactor

A cofactor is a non-protein chemical compound that is bound i.e, cofactors are non-protein organic molecules that are mostly derivatives of vitamins soluble in water by phosphorylation; they bind apoenzyme to proteins to produce an active holoenzyme. Cofactors can be considered as "helper molecules" that assist in biochemical transformations. So, the correct answer is option B.