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Assertion : Allosteric modulators acce...

Assertion : Allosteric modulators accelerate or retard the rate of catalysis of an allosteric enzyme .
Reason : Allosteric moduators modulate the configuration of the active site of enzyme.

A

If both assertion and Reason are true and the Reason is the correct explanation of the assertion .

B

If both Assertion and Reason ate true , but the reason is not the correct explanation of the assertion .

C

If Assertion is true , but Reason is false

D

if both Assertion and Reason are false.

Text Solution

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The correct Answer is:
B
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Assertion (A) Enzymes have active sites that hold substrte molecule for a chemical reaction. Reason (R) Drugs compete with natural substrate by attaching convalency to the active site of enzyme. (a)Assertion and reason both are correct statements but reason does not explain assertion. (b)Assertion and reason both are correct and reason explains the assertion. (c)Both assertion and reason are wrong statements. (d)Assertion is correct statement reason is wrong statement.

Assertion (A) Competitive inhibitors compete with natural substrate for their attachement on the active sites of enzymes. Reason (R) In competitive inhibitor binds to the allosteric site of the enzyme.

Assertion (A) Competitive inhibitors compete with natural substrate for their attachement on the active sites of enzymes. Reason (R) In competitive inhibitor binds to the allosteric site of the enzyme.

Statement I: All enzymes are protiens but all proteins are not enzymes. Statement II: Enzymes are biocatalysts and have stable configuration having an active site.

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