Odorant Molecules Activate Sensory Neurons by ________

Odorant molecules activate sensory neurons by ________.

A) deflecting the cilia of hairs cells, leading to the release of neurotransmitter
B) binding to rhodopsin, leading to a change in cGMP levels
C) passing through ion channels and altering membrane potentials
D) binding to membrane-bound receptor proteins of sensory neurons
E) altering basilar membrane stiffness to shift response by receptor cells