Which theory of olfaction explains that different-shaped "holes," or "pockets," exist on the surface of olfactory receptors with chemicals producing odors when part of a molecule matches a hole of the same shape?
A)trichromatic
B)lock-and-key
C)opponent process
D)gate control

Question

Quizplus · Accepted Answer

The lock-and-key theory of olfaction, also known as the shape theory, suggests that odors are perceived when the shape of a molecule fits into a matching receptor on the olfactory epithelium, similar to a lock and key mechanism.

Which Theory of Olfaction Explains That Different-Shaped "Holes," or "Pockets