The ability of the olfactory system to distinguish a wide variety of smells is due to
A) a small family of olfactory receptor genes.
B) the ability of one olfactory molecule to activate a unique combination of glomeruli.
C) an increase in action potentials by an olfactory receptor cell.
D) integration by the vomeronasal organ.
E) the specific response of an olfactory receptor to one odorant molecule.
Correct Answer:
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