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Allosteric enzymes have allosteric sites...

Allosteric enzymes have allosteric sites for

A

Both activation and inhibition

B

Inhibition only

C

Activation only

D

Reduction in activation energy.

Text Solution

Verified by Experts

The correct Answer is:
A
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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.

Which site of an enzyme is called allsteric site ?

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.

Substance which bring about changes in allosteric sites are called.

A : Allosteric enzymes do not show a typical Michaelis Menten constant or behaviour. R : All enzymes work at same pH.