NEET 1997 · Class 11

Biomolecules

53. Co-factor (prosthetic group) is a part of holoenzyme. It is

  1. (A)loosely attached organic part
  2. (B)loosely attached inorganic part
  3. (C)accessory non-protein substance attached firmly
  4. (D)none of these

The NCERT line that answers it

Verbatim line

Prosthetic groups are organic compounds and are distinguished from other cofactors in that they are tightly bound to the apoenzyme.

Chapter
Biomolecules
Section
9.8.6 Co-factors
Page
14
Words matched
20 of 20

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that prosthetic groups are 'tightly bound to the apoenzyme,' which directly matches option C's description of 'accessory non-protein substance attached firmly.'

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