Assertion (A): Chemical messengers are chemicals that enable communi¬cation of message between two neutrons or between neurons and muscles.
Reason (R): Chemicals enter the cell through receptor.
(a) Assertion and reason both are correct statements but reason does not explain assertion.
(b) Assertion and reason-both are correct statements and reason explains the assertion.
(c) Both assertion and reason are wrong statement.
(d) Assertion is correct statement and reason is wrong statements.
(e) Assertion is wrong statements and reason is correct statement.
Assertion (A): Chemical messengers are chemicals that enable communi¬cation of message between two neutrons or between neurons and muscles.
Reason (R): Chemicals enter the cell through receptor.
(a) Assertion and reason both are correct statements but reason does not explain assertion.
(b) Assertion and reason-both are correct statements and reason explains the assertion.
(c) Both assertion and reason are wrong statement.
(d) Assertion is correct statement and reason is wrong statements.
(e) Assertion is wrong statements and reason is correct statement.
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1 Answer
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This is a assertion and reason answer type question as classified in NCERT Exemplar
(d) Chemicals bind to the receptors sites present on the surface of the membrane on the cell, but never enter the cell through receptor.
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