Given below are two statements:
Statement-I : In every enzyme catalyzed reaction, formation of the ES complex is an obligatory step.
Statement-II : Formation of ES complex is a transient phenomenon. The ES complex dissociates into a product and an enzyme gets changed.
In light of the above statements, choose the correct answer from the options given below :

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Statement I is correct but Statement II is incorrect.

Statement I is incorrect but Statement II is correct.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

answer is D.

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Detailed Solution

Each enzyme (E) has a substrate (S) binding site in its molecule so that a highly reactive enzyme-substrate complex (ES) is produced. This complex is short-lived and dissociates into its product(s) P and the unchanged enzyme with an intermediate formation of the enzyme-product complex (EP).

The formation of the ES complex is essential for catalysis.

In every enzyme catalyzed reaction, formation of the ES complex is an obligatory step.

The formation of the ES complex is a transient phenomenon. The ES complex dissociates into a product and an enzyme gets changed.

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