The Ability to Smell ____

Multiple Choice

The ability to smell ____.

A) manifests as a 1:1 relationship between an odor and a specific receptor
B) specific chemicals can indicate a possible reaction to a chemically related drug
C) specific chemicals will predict the effectiveness of antidepressants
D) is mediated by a family of about 400 genes
E) is mediated by the synthesis of olfactory receptors in the brain