Polypeptides can have which of the following types of effects?
I.autocrine
II.paracrine
III.endocrine
A) only I and III
B) only II and III
C) only I and II
D) I, II, and III

Question

Quizplus · Accepted Answer

Polypeptides can have autocrine, paracrine, and endocrine effects, which means they can act locally or systemically, depending on where they are produced and their target cells. Autocrine effects occur when the polypeptide acts on the same cell that produced it, paracrine effects occur when it acts on nearby cells, and endocrine effects occur when it enters the bloodstream and acts on distant cells. Therefore, all three options are possible for polypeptides.

Polypeptides Can Have Which of the Following Types of Effects