Answer: Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm.
Explanation: I found this answer on quizlet
The release of Follicle Stimulating Hormone (FSH) encourages sustentocytes to release androgen-binding protein (ABP). ABP causes the spermatogonia to bind testosterone. <span>Testosterone stimulates spermatogenesis. Hope this answers the question. Have a nice day.</span>
Without our rotation winds would move straight from the poles to the equator.
Will, some of them will died because they will not be able to to adapt to the cold. Some might even survive, and adapt to that new climate, this is called natural selection.