Select the incorrect option regarding hormones.

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$: $FSH$,which interacts with membrane-bound receptors,does not enter the target cell.
Reason $(R)$: Binding of $FSH$ to its receptors generates a second messenger (cyclic $AMP$) for its biochemical and physiological responses.
In the light of the above statements,choose the most appropriate answer from the options given below:

Each receptor is ...$A$... to one hormone only and hence,receptors are ...$B$... Hormone receptor complex formation leads to certain biochemical changes in the ...$C$.... Choose the option containing correct combination of $A, B$ and $C$.

Hormones are .....

What is correct to say about the hormone action in humans?

Which of the following is not necessarily a property of all hormones?