Correct matching is
 

Column-I		Column-II
$\left(\mathrm{A}\right)$	Allosteric site	$\left(\mathrm{P}\right)$	These bind to a different site of enzyme
$\left(\mathrm{B}\right)$	Poison	$\left(\mathrm{Q}\right)$	It binds to the active site
$\left(\mathrm{C}\right)$	Receptor	$\left(\mathrm{R}\right)$	It binds at active site by covalent bond
$\left(\mathrm{D}\right)$	Competitive inhibitor	$\left(\mathrm{S}\right)$	Important for communication

Statements about Enzyme Inhibitor Drugs are given below :

(A) There are Competitive and Non-competitive inhibitor drugs.

(B) These can bind at the active sites and allosteric sites.

(C) Competitive Drugs are allosteric site blocking drugs.

(D) Non-competitive Drugs are active site blocking drugs.

Choose the correct answer from the options given below

Noradrenaline is a/an:

Two statements in respect of drug-enzyme interaction are given below

Statement I : Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.

Statement II : An inhibitor can form a strong covalent bond with the enzyme.

In the light of the above statements. Choose the correct answer from the options given below

The following molecule acts as an :

Drugs used to bind to receptors, inhibiting its natural function and blocking a message are called

Match the following drugs with their therapeutic actions: