In order to be sensed by the olfactory system, molecules must
a. be airborne and fat soluble.
b. be airborne and water repellent.
c. have their own particular olfactory receptors.
d. arrive in the nose in small concentrations.
Question 2
The process of aromatization transforms
a. estradiol into testosterone.
b. testosterone into estradiol.
c. testosterone into 5-alpha-dihydrotestosterone.
d. 5-alpha-dihydrotestosterone into testosterone.