Match the following :
Column I Column II
(a) Cofactor (i) non-protein constituent of enzyme structure
(b) Coenzyme (ii) organic compounds tightly associated with the apoenzyme permanently
(c) Prosthetic group (iii) form coordination bonds with side chains at the active site of enzyme and with the substrate
(d) Metal ion (iv) organic compounds associated with the apoenzyme only during catalytic activity
(a) (b) (c) (d)
(1) iii i iv ii
(2) i iv iii ii
(3) ii iii ii iv
(4) i iv ii iii

Choose the correct option from the following :

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answer is D.

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Detailed Solution

Column I	Column II
(a) Cofactor	(i) non-protein constituent of enzyme structure
(b) Coenzyme	(iv) organic compounds associated with the apoenzyme only during catalytic activity
(c) Prosthetic group	(ii) organic compounds tightly associated with the apoenzyme permanently
(d) Metal ion	(iii) form coordination bonds with side chains at the active site of enzyme and with the substrate

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