A cofactor is best defined as:
A) another protein.
B) a covalently bound inorganic molecule.
C) a small molecule that holds the substrate in the active site.
D) a molecule responsible for most of the catalytic activity of the enzyme.
E) None of the above

Question

Quizplus · Accepted Answer

Cofactors can be either inorganic ions, organic molecules, or coenzymes that assist enzymes in their catalytic activity but do not fit exclusively into the definitions provided in options A, B, C, or D.

A Cofactor Is Best Defined As