Drug-Target Interaction

IMPORTANT

Drug-Target Interaction: Overview

This topic covers concepts such as Drug-Target Interaction, Enzymes, Receptors, Enzymes as Drug Targets, Catalytic Action of Enzymes, Drug-enzyme Interaction : Enzyme Inhibition, Receptor as Drug Targets, Enzyme Inhibitors, etc.

Important Questions on Drug-Target Interaction

MEDIUM
IMPORTANT

What is the difference between an agonist and an antagonist?

EASY
IMPORTANT

Allosteric sites on an enzyme are:

EASY
IMPORTANT

Which of the following is not related to drug-enzyme interaction?

EASY
IMPORTANT

Arrange the sequences in enzyme action
(A) Product releases and free enzyme again binds to another substrate molecule
(B) Enzyme to alter its shape
(C) Substrate binds to active site of the enzyme
(D) Fits in to the active site
(E) Formation of enzyme product complex
The correct answer is

HARD
IMPORTANT

What is true for a competitive inhibitor?

HARD
IMPORTANT

Which type of inhibitor binds at the active site?

MEDIUM
IMPORTANT

Which of the following statements are incorrect about receptor proteins?

EASY
IMPORTANT

Among the following which drugs mimic natural messengers ?

EASY
IMPORTANT

Incorrect statement among the follwoing is :

EASY
IMPORTANT

The enzyme which converts maltose to glucose is

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Correct matching is
 

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

EASY
IMPORTANT

Jacob and Monod named some enzymes as allosteric whose activity is regulated by

MEDIUM
IMPORTANT

The site of action of insulin is

EASY
IMPORTANT

Fumerase enzyme belongs to which class

EASY
IMPORTANT

To explain the mechanism of enzymatic action, who proposed "Lock and key hypothesis''

EASY
IMPORTANT

Which of the following is not a co-enzyme

EASY
IMPORTANT

Which of the following is not an attribute of enzymes

EASY
IMPORTANT

In plants, enzymes are present