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Question:

Consider the following statement:(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.

Both (A) and (B) are true

(A) is true but (B) is false

(A) is false but (B) is true

Both (A) and (B) are false

Solution:

Correct option is B. (A) is true but (B) is false. Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. A complete catalytically active enzyme with its bound prosthetic group is called holoenzyme. So, the correct answer is '(A) is true but (B) is false'.