Q. An organic substance bound to an enzyme and essential for its activity is called :
A) coenzyme
B) holoenzyme
C) apoenzyme
D) isoenzyme
Explanation
[Solution from source] An organic non-protein molecule that binds an enzyme and is needed for its activity is a coenzyme (a tightly bound one is called a prosthetic group). An apoenzyme is the protein part alone, and a holoenzyme is the complete active enzyme. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.