Which of the following statements about paracrine substancesis correct? A.) Para

Question

Which of the following statements about paracrine substancesis correct? A.) Paracrine substances act on nearby tissues without firstentering the blood B.) Paracrine substances are inactivated quickly; theireffects are short-lived C.) Interleukin-2 (IL-2) is an example of a paracrinesubstance D.) A and B are correct E.) A, B, and C are correct Which of the following statements about paracrine substancesis correct? A.) Paracrine substances act on nearby tissues without firstentering the blood B.) Paracrine substances are inactivated quickly; theireffects are short-lived C.) Interleukin-2 (IL-2) is an example of a paracrinesubstance D.) A and B are correct E.) A, B, and C are correct

Explanation / Answer

The answer is E. A,B and C are correct. Paracrine substances are those substances which act on nearbytissues.But they are short lived. They are produced by cells in a localized area and exert theireffect on the surrounding cells. Interleukin -2 is produced by cells of the immune system andstimulates the division of T lymphocytes and other functions

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