問題詳情

5. What is the only type of chemical signal that does not alter the physiology of the animal producing that signal?
(A) paracrine
(B) pheromones
(C) neuroendocrine
(D) neural
(E) none of above

參考答案

答案:B
難度:非常困難0.117647
統計:A(1),B(2),C(0),D(5),E(5)