The theory of smell involving different shaped holes on the odor receptors is called the _____ theory.
A)trichromatic
B)lock and key
C)opponent process
D)gate control

Question

Quizplus · Accepted Answer

The theory of smell involving different shaped holes on the odor receptors is called the lock and key theory. This theory suggests that specific odor molecules fit like a "key" into specific olfactory receptor sites in the nasal cavity, triggering a neural response that results in the perception of a particular smell.

The Theory of Smell Involving Different Shaped Holes on the Odor