Home
Class 12
CHEMISTRY
(A) Chemical messenger gives message to ...

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

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Chemical present in the walls of cork cell is

(A) Large number of different receptors in the body interact with different chemical messengers. (R) Receptors show selectivity for one chemical messenger over the other because their binding sites have different shape, structure and amino acid composition.

Which of the following statements are correct ? I . Binding of inhibitor at allosteric site changes the shape of the active site. II Shape of the receptor does not change after attachment of chemical messenger to it. III A chemical messenger gives message to the celly by entering it. IV . Erythromycin is an example of bacteriostatic antibiotic

Drugs which supplement or substitute for chemical messengers are

The cell walls of bacteria contain a fat like chemical

(A) Message between two neurons and that between neurons to muscles is commu-nicated through certain chemicals known as chemical messengers. (R) Chemical messengers gives message to the cell without entering the cell.

Chemical messengers that are used for communication within an animal species are called –

(A) The proteins are synthesised by various RNA molecules in the cell. (R) The message for the synthesis of a particular protein is present in DNA.