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JEE CHEMISTRY MCQ: BIOMOLECULES
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Which of the following statements about enzymes are true?
1. Enzymes lack in nucleophilic groups.
II. Pepsin is proteolytic enzyme.
III. Enzymes catalyse chemical reactions enhances the rate of reaction by lowering the activation energy.
IV. Enzymes are highly specific both in binding chiral substrates and in catalysing their reactions.
1. Enzymes lack in nucleophilic groups.
II. Pepsin is proteolytic enzyme.
III. Enzymes catalyse chemical reactions enhances the rate of reaction by lowering the activation energy.
IV. Enzymes are highly specific both in binding chiral substrates and in catalysing their reactions.
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Correct option: D
II, III and IV
Option D is correct because enzymes are indeed specific, catalyze reactions by lowering activation energy, and pepsin is a proteolytic enzyme.
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