In order to be sensed by the olfactory system, molecules must
A) be airborne and fat soluble.
B) be airborne and water repellent.
C) have their own particular olfactory receptors.
D) arrive in the nose in small concentrations.

Question

Quizplus · Accepted Answer

Molecules must be airborne to reach the olfactory receptors in the nose and fat soluble to pass through the cell membranes of the olfactory neurons.

In Order to Be Sensed by the Olfactory System, Molecules