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

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

Explain how does a chemical messenger give message to the cell without entering the cell.

Chemical messengers of immune cells are

Chemical messengers of immune cells are

Which of the following statements are incorrect about receptor proteins ? a.Majority of receptor protein are embedded in the cell membranes b.The active site of receptor proteins opens on the inside region of the cell c.Chemical messengers are received at the binding sites of receptor proteins d.Shape of receptor doesn't change during attachment of messenger

Which of the following statement are incorrect about receptor proteins? I.Majority of receptor proteins are embedded in the cell membranes II.The active site of receptor proteins opens on the inside region of the cell III.Chemical messengers are received at the binding sites of receptor proteins IV.Shape of receptor does not change during attachment of messenger choose the option with all incorrect statements

Messenger chemicals transfer message into the cell by

Assertion : Chemical messengers are received at the binding sites of receptor proteins. Reason : Chemical messenger gives messages to the cell without entering the cell.