The steps in catalytic cycle of an enzyme action are given …

Biology Biomolecules Skill Builder Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 23, 2026

The steps in catalytic cycle of an enzyme action are given in random order.

(i) The enzyme releases the products. Now enzyme is free to bind another substrate.

(ii) The active sites, now in close proximity of substrate breaks the bond of substrate and forms E-P complex.

(iii) Binding of substrate induces the enzyme to alter its shape fitting more tightly around the substrate.

(iv) The substrate binds to the active site of enzyme (i.e., fitting into the active site).

The correct order is

i, ii, iii, iv

iv, iii, ii, i

i, iii, ii, iv

i, ii, iv, iii

Text Solution

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The correct answer is:

(b)

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