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Biology · PYQ NEET UG 2019(1)

हिन्दी

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

  1. A
    Both (i) and (ii) are false.
  2. B
    (i) is false but (ii) is true.
  3. C
    Both (i) and (ii) are true.
  4. D
    (i) is true but (ii) is false.
View Answer & Solution

Correct answer · Option D

(i) is true but (ii) is false.

Explanation

Statement (i) is correct as prosthetic groups are tightly bound cofactors. Statement (ii) is incorrect because the complete catalytically active enzyme with its bound prosthetic group is called holoenzyme, while apoenzyme is the protein portion.
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