Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 9. Biomolecules4 Marks
MCQ
An organic substance bound to an enzyme and essential for its activity is called
A
isoenzyme
✓
coenzyme
C
holoenzyme
D
apoenzyme.
✓
Answer
Correct option: B.
coenzyme
b (b) : Enzymes are simple if they are made of only proteins (e.g., pepsin, amylase etc.) while conjugate enzymes have an additional nonprotein cofactor which may be organic or inorganic. Loosely attached organic cofactor is coenzyme. It plays an accessory role in enzyme catalyzed processes often by acting as a donor or acceptor of a substance involved in the reaction. ATP and NAD are common coenzymes.
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