MCQ
What is a coenzyme?
- AAlways protein
- BOften metal
- CAlways inorganic compound
- ✓Often a vitamin
✓
Answer
Correct option: D.
Often a vitamin
Enzymes are simple if they are made up of only proteins, e.g., pepsin, amylase etc., while conjugate enzymes have an additional non$-$protein organic coenzyme or inorganic cofactor.
Loosely attached organic cofactors are called as coenzymes, e.g., $\text{NAD, FAD TPP}$ etc.
Coenzymes are generally derived from vitamins like thiamine $\text{(TPP),}$ riboflavin $\text{(FMN, FAD),}$ niacin $\text{(NAD)},$ pantothenate $\text{(CoA)}.$
Loosely attached organic cofactors are called as coenzymes, e.g., $\text{NAD, FAD TPP}$ etc.
Coenzymes are generally derived from vitamins like thiamine $\text{(TPP),}$ riboflavin $\text{(FMN, FAD),}$ niacin $\text{(NAD)},$ pantothenate $\text{(CoA)}.$
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