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.

Both Assertion and Reason are incorrect.

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Both Assertion and Reason are correct.

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Both Assertion and Reason are correct and Reason is the incorrect explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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non of these

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A and B

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Solution

The correct option is D Assertion is correct but Reason is incorrect.
Option (D) is correct. Assertion is correct but Reason is incorrect.
Chemical messengers are chemicals that enable communication of message between two neurons or between neurons and muscles.Chemical messages are transmitted to specific receptors through the extracellular fluids or across the synaptic gap.
These chemical messengers interact with receptors without entering the cell and change the shape of receptor and deliver the message.

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Similar questions

Assertion and Reason
In the following questions a statement of assertion (A) followed by a statement reason (R) is given. Choose the correct answer out of the following choice..
(a) Assertion and reason both are correct statements but reason does not explain assertion.
(b) Assertion and reason both are correct and reason explains asssWon.
(c) Both assertion and reason are Wrong statements.
(d) Assertion is correct statement reason is wrong statement.
(e) Assertion is wrong statement reason is correct statement.

Assertion (A) Chemical messengers are chemicals that enable communication of message between two neurons or between neurons and muscles.
Reason (R) Chemicals enter the cell through receptor.

Q. Assertion :Chemical messengers are chemicals that enable communication of a message between two neurons or between neurons and muscles. Reason: Chemicals enter the cell through receptor.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

Reason (R) Reactant molecules undergo chemical change irrespective of their orientation during collision.

Assertion (A) Chemicat messenger gives message to the cell without entering the cell.
Reason (R) Chemical messenger is received at the binding site of receptor proteins.

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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 : Chemical messengers are chemicals that enable communication of message between two neurons or between neurons and muscles.
Reason : Chemicals enter the cell through receptor.