Exams › NEET › Biology

An organic substance bound to an enzyme and essential for its activity is called

1. Holoenzyme
2. Apoenzyme
3. Isoenzyme
4. Coenzyme

Correct answer: Coenzyme

Solution

A coenzyme is an organic, non-protein molecule that binds to an enzyme and is required for its activity. The apoenzyme is the protein portion alone, while the holoenzyme is the complete active enzyme plus its cofactor(s).

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