The Opening and Closing of Ion Channels Within the Hair

The opening and closing of ion channels within the hair cell cilia

A) are a function of the voltage of the cilia membrane.
B) reflect the action of a second messenger within the cilia.
C) are controlled by ionotropic membrane receptors.
D) reflect tension exerted by the tip links on the insertional plaques.
E) are the result of chloride entry into the hair cell..