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Topic: Enzymes: types, properties, action, classification· Cell Structure and Function

Consider the following statements :(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group.(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.Select the correct option.

1. Both (A) and (B) are true.

2. (A) is true but (B) is false.

3. Both (A) and (B) are false.

4. (A) is false but (B) is true.

1 answer

Best answer

Answer: 2. (A) is true but (B) is false.

Statement A is true. A cofactor (organic or metal ion) that is tightly bound to the enzyme protein is a prosthetic group.

Statement B is false. The protein part alone is the apoenzyme; the complete active enzyme with its cofactor is the holoenzyme. Option 2 is correct.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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