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
  • A$A \to R, B \to P, C \to Q, D \to S$
  • B$A \to P, B \to R, C \to Q, D \to S$
  • C$A \to R, B \to P, C \to S, D \to Q$
  • D$A \to P, B \to R, C \to S, D \to Q$
JEE MAIN 2019, Difficult
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