A hormone may be.

a. Inactivated by its target cell
b. All of these choices are correct
c. Excreted before it has a chance to act on a target cell
d. Activated by its target cell
e. Inactivated by nontarget cells

B) All of the choices are correct

Explanation:

Hormons are chemical Messengers secreted into the blood or extracellular fluid by one cell that affects the functioning of another cell.

Hormones have various characteristics and among such includes :

1)Hormones can be excreted by the liver or kidney before it reaches it's target cell. This is due to the fact that chemical metabolism can be speed up before reaching its final destination.

2) Hormones can be inactived by it's target cells. This basically is an abnormal condition which do happen on a daily basis. You observe some individuals don't feel pain. In this case the target cellwhich is the skin have inactived the hormones.

3) Activated by its target cells . On default this is how hormones and target cell works . Ones a target cell is been under any condition that needs hormones it's production should be rapid to respond to the new changes .

4) Inactivated by non target cells : Every hormones have it's particular target cells of whose needs it responds to. The hormones responsible for pains won't responds to that of pleasure. Therefore hormones are inactive by non target cells.

B

Explanation:

Hormones a chemical messengers that are produced in small quantity in the endocrine gland.

Hormones are secreted into the blood from where they are transported to various part of the body to exact specific functions to body metabolism.

Inactivation refers to the metabolic conversion of a biologically active compound into an inactive cimpound.

Inactivation can take place at various stages of the hormone action.

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