Olfactory receptor cells
A) contain no receptor molecules.
B) survive for only a few weeks and are replaced by new ones.
C) have no axons.
D) each contain three different receptor molecules.
E) each contain 350 different receptor molecules.

Question

Quizplus · Accepted Answer

Olfactory receptor cells have a short lifespan of only a few weeks and are continuously replaced by new ones through the process of neurogenesis in the olfactory epithelium. This turnover rate is much higher than in most other neuronal populations in the body.

Olfactory Receptor Cells