Gated channels in the cell membrane can be "opened" by:
A) electrical changes or voltage.
B) chemicals.
C) light.
D) all of the above.

Question

Quizplus · Accepted Answer

All of the above options can open gated channels in the cell membrane. Electrical changes or voltage can cause voltage-gated channels to open, chemicals can open ligand-gated channels, and light can open photoreceptor channels. Therefore, the best answer is D, all of the above.

Gated Channels in the Cell Membrane Can Be "Opened" By