Question

multiple choice question which term refers to a small organic molecule, usually derived from a vitamin, that is needed to make an enzyme catalytically active? prosthetic group coenzyme ligand substrate

Explanation:

Coenzymes are small organic molecules, often derived from vitamins, that are required for an enzyme to be catalytically active. A prosthetic group is a non - amino - acid component tightly bound to a protein. A ligand is a molecule that binds to a receptor. A substrate is the molecule upon which an enzyme acts.

Answer:

B. Coenzyme