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.

Options

A. (A) and (R ) both are correct statement but reason does not explain (A)
B. (A) and (R ) both are correct statements and (R ) explains the (A)
C. Both (A) and (R ) are wrong statement
D. (A) is correct statement and (R ) is wrong statement

Answer

D

Explanation

Chemicals bind to the receptor sites present on the outer surface of the cell membrane