Question

Which of the following is a coenzyme?

• A. ATP
• B. $C{u}^{+}$
• C. Protein
• D. $NA{D}^{+}$

Answer 1

The correct option is D

$NA{D}^{+}$

Coenzymes are non - protein organic molecules attached loosely to the apoenzymes. They are required for the proper functioning of the enzymes they are attached to. E.g., $ND{A}^{+},NAD{P}^{+},Co-A,TPP,FMN,FAD$.