Ionotropic effects are characterized by ____.
a. rapid and short-lived effects
b. rapid and long lasting effects
c. excitatory effects only
d. inhibitory effects only
Question 2
What would cause a genetic female mammal to develop an anatomical appearance resembling a male's?
a. a lack of estradiol
b. moderate levels of estradiol during an early stage of development
c. a high level of testosterone during an early stage of development
d. a high level of testosterone during the late part of puberty