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

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(i) and (iii)

(i) and (iv)

(ii), (iii) and (iv)

(i)

answer is C.

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Detailed Solution

Enzymes are basically made up of amino acid or proteins as whole. So they contain amino group, which is nucleophillic in nature.

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