Question

Assertion :

Chemical messenger gives a message to the cell without entering the cell

Reason :

Chemical messenger is received at the binding site of receptor proteins

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
• C. Both Assertion and Reason are incorrect
• D. Assertion is correct but Reason is incorrect
• E. Assertion is incorrect but Reason is correct
• F. Answer required

Answer 1

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

Chemical messenger is received at the binding site of receptor proteins and gives the message to the cell without entering the cell. To accommodate the messenger, the shape of receptor changes. In the body,message between two neurons and that between neurons and muscles is communicated through certain chemicals called as chemical messengers.

Thus, Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

Hence, the correct option is $\text{A}$