Which theory of smell states that there exist different shaped holes on the odor receptors?
A) trichromatic
B) lock and key
C) opponent process
D) gate control

Question

Quizplus · Accepted Answer

The lock and key theory of smell suggests that odors are detected because they fit into specific receptor sites on the olfactory cilia in a way that is analogous to how a key fits into a lock. This theory suggests that different shaped holes on the receptors exist and only specific odors can fit into these holes.

Which Theory of Smell States That There Exist Different Shaped