Verified Solution • 2025–26 Session moderate

QJEEM19Ch2f33: JEE Main 2019 Chemistry - Class 12 JEEM19Ch2f33 Solution: The correct match between Item I and Item II is : .tg…

The correct match between Item I and Item II is :

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

Multiple Choice Options

A (A) $\to$ (P); (B) $\to$ (R); (C) $\to$ (Q); (D) $\to$ (S)
B (A) $\to$ (P); (B) $\to$ (R); (C) $\to$ (S); (D) $\to$ (Q)
C (A) $\to$ (R); (B) $\to$ (P); (C) $\to$ (S); (D) $\to$ (Q)
D (A) $\to$ (R); (B) $\to$ (P); (C) $\to$ (Q); (D) $\to$ (S)

Step-by-Step Verified Solution

Allosteric effect

\to

Molecule binding to a site other than the active site of enzyme

Competitive inhibitor

\to

Molecule binding to the active site of enzyme

Receptor

\to

Molecule crucial for communication in the body

Poison

\to

Molecule binding to the enzyme covalently

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