How do enzymes help a substrate to be attacked by the reagent effectively?

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Solution

Active site of the enzyme holds the substrate molecule in a suitable position by lock and key mechanism.

By this the substrate is better positioned to be attacked by the reagent effectively.

This is an alternate pathway followed by the reaction which reduces the activation energy of the reaction and makes the reaction proceed faster.

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Similar questions

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct statements and reason explains the assertion.
(b) Both assertion and reason are wrong statements.
(c) Assertion is correct statement and reason is wrong statement.
(d) Assertion is wrong statement and reason is correct statement.
(e) Assertion and reason both are correct statements but reason does not explain assertion.
Assertion (A) In presence of enzyme, substrate molecule can be attacked by the reagent effectively.
Reason (R) Active sites of enzymes hold the substrate molecule in a suitable position.

What Is a substrate? How does it effect the enzymes(carbohydrates, protiens, lipids, nucleic acids)?

Q. Nucleophilic part of the reagent attacks the substrate