Question

Of the following statements about enzymes, which one is true?
(i) Enzymes lack in specific active sites.
(ii) Enzymes are highly specific both in binding chiral substrates and in catalysing their reactions.
(iii) Enzymes catalyse chemical reactions by lowering the activation energy.
(iv) Pepsin is a proteolytic enzyme.

• A. (i) and (iv) only
• B. (i) and (iii) only
• C. (ii), (iii) and (iv) only
• D. (i) only

Answer 1

Answer: (C)

Enzymes are highly specific in nature and catalyse reaction by lowering the activation energy. Pepsin is a proteolytic enzyme.