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प्रश्न
Assertion: Chemical messenger gives message to the cell without entering the cell.
Reason: Chemical messenger is received at the binding site of receptor proteins.
पर्याय
Assertion and reason both are correct statement but reason does not explain assertion.
Assertion and reason both are correct and reason explains the assertion.
Both assertion and reason are wrong statement.
Assertion is correct statement reason is wrong statement.
Assertion is wrong statement reason is correct statement.
उत्तर
Assertion and reason both are correct and reason explains the assertion.
Explanation:
Chemical messenger gives message to the cell without entering the cell because it is received at the binding site of the receptor.
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संबंधित प्रश्न
Give two examples of macromolecules that are chosen as drug targets
What is the difference between agonists and antagonists?
Which is the correct statement about birth control pills?
The most useful classification of drugs for medicinal chemists is ______.
Where are receptors located?
How are receptor proteins located in the cell membrane?
Match the class of compounds given in Column I with their functions given in Column II.
| Column I | Column II |
| (i) Antagonists | (a) Communicate message between two neurons and that between neurons to muscles |
| (ii) Agonists | (b) Bind to the receptor site and inhibit its natural function |
| (iii) Chemical messenger | (c) Crucial to body’s communication process |
| (iv) Inhibitors | (d) Mimic the natural messenger |
| (v) Receptors | (e) Inhibit activities of enzymes |
Assertion: Receptors are crucial to body’s communication process.
Reason: Receptors are proteins.
Assertion: Chemical messengers are chemicals that enable communication of message between two neurons or between neurons and muscles.
Reason: Chemicals enter the cell through receptor.
Assertion: Receptor proteins show selectivity for one chemical messenger over the other.
Reason: Chemical messenger binds to the receptor site and inhibits its natural function.
