Once the stimulus alters the receptor on the cell's membrane, what happens next?
A) Ion channels open, allowing ions to enter or exit.
B) The membrane permeability is altered.
C) A second messenger is activated on the inside of the cell.
D) Any of these actions could happen next.

Question

Quizplus · Accepted Answer

Any of these actions could happen next. The specific response depends on the type of receptor and the signaling pathway involved. Some receptors directly open ion channels, others activate second messengers, and some alter membrane permeability.

Once the Stimulus Alters the Receptor on the Cell's Membrane