Question

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

I. The enzyme releases the produces. Now enzyme is free to bind another substrate

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

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

• A. I, II, III, IV
• B. IV, III, II, I
• C. I, III, II, IV
• D. I, II, IV, III

Answer 1

Answer: (B)

IV, III, II, I