The protein portion of an enzyme is called:
- Apoenzyme
- Prosthetic group
- Cofactor
- Coenzyme
Answer
(1) Apoenzyme
Solution
A holoenzyme consists of a protein part and a non-protein part (cofactor).
The protein portion of the enzyme is called the apoenzyme.
Prosthetic groups, coenzymes and metal ions are the non-protein cofactors.
Answer: (1)