Signaling molecules involved in paracrine and autocrine signaling:
A)remain attached to the plasma membrane.
B)travel by diffusion.
C)travel in the circulatory system.

Question

Quizplus · Accepted Answer

In paracrine and autocrine signaling, the signaling molecules travel short distances through diffusion. Paracrine signaling involves signaling to nearby cells, while autocrine signaling involves signaling to the cell itself.

Signaling Molecules Involved in Paracrine and Autocrine Signaling