NEETBotanyBiomolecules (B)
Match List-I with List-II regarding enzymes and their cofactors. List-I List-II A. Prosthetic group I. Transiently bound organic compound B. Coenzyme II. Protein portion of the enzyme C. Metal ion III. Tightly bound organic compound D. Apoenzyme IV. Forms coordination bonds with side chains at the active site Choose the correct answer from the options given below:
Options
- AA-I, B-III, C-IV, D-II
- BA-III, B-I, C-IV, D-II
- CA-III, B-I, C-II, D-IV
- DA-I, B-III, C-II, D-IV
Correct answer
B. A-III, B-I, C-IV, D-II
Step-by-step solution
Apoenzyme is the protein portion of an enzyme. Cofactors are non-protein constituents bound to the enzyme to make it catalytically active. They are of three kinds: 1. Prosthetic groups: Organic compounds that are tightly bound to the apoenzyme (A matches III). 2. Coenzymes: Organic compounds whose association with the apoenzyme is only transient, usually occurring during the course of catalysis (B matches I). 3. Metal ions: Form coordination bonds with side chains at the active site and at the same time form one or