Question

The prosthetic groups which get attached to the enzyme at the time of reaction are called _____

(a) cofactors

(b) coenzymes

(c) messengers

(d) inhibitors

This question was posed to me in examination.

My doubt stems from Biomolecules in portion Biomolecules of Chemistry – Class 12

Answer 1

Right option is (b) coenzymes

To explain I would say: Most active enzymes are associated with some non-protein components required for their activity. These are called prosthetic groups and they may be cofactors or coenzymes.