Home Biology Biomolecules Skill Builder Which of the following statements is incorre…
Biology Biomolecules Skill Builder Single Correct MCQ
Published on: August 11, 2026

Which of the following statements is incorrect?

I. Nearly 1/3rd of all enzymes requires the presence of metal ions for catalytic function

II. Metal ions form coordinate bond with side chain at active site of metalloenzyme and at the same time tor~

more coordinate bonds with the substrate

Ill. NAD and NAD (coenzymes) contain niacin (vit.)

IV. Coenzyme are organic compounds but their association with the apoenzyme is only transient, usually

during catalysis

A
All
B
Only lll and lV
C
Only lV
D
None of the above

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The correct answer is:
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