Number of binding sites in allosteric enzyme is

One

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Two

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Three

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Four

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Solution

The correct option is A Two
The allosteric enzymes have an extra allosteric site, in addition to the active site, for binding of allosteric modulator. Thus, the number of binding sites will be two- one an active site and another an allosteric site.

Suggest Corrections

	Item I		Item II
(A)	Allosteric effect	(P)	Molecule binding to the active site of enzyme
(B)	Competitive inhibitor	(Q)	Molecule crucial for communication in the body
(C)	Receptor	(R)	Molecule binding to a site other than the active site of enzyme
(D)	Poison	(S)	Molecule binding to the enzyme covalently