Question

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example ofA) an autocrine signal.B) a paracrine signal.C) an endocrine signal.D) both an autocrine signal and a paracrine signal.E) an autocrine signal, a paracrine signal, and an endocrine signal

Answer 1

Both Endocrine and Paracrine

Step-by-step explanation:

Since its regulates nearby cells in testis to produce sperm it has paracrine function along with its endocrine function on muscles, brain etc.