Voltage-gated ion channels underlie the function of electrically excitable cells, such as nerve and muscle cells. Which of the following statements is TRUE about voltage-gated ion channels?

Question

Quizplus · Accepted Answer

All three statements are true. Voltage-gated ion channels are opened and closed in response to changes in membrane potential, which allows for the flow of ions across the membrane. Different types of voltage-gated ion channels can have varying rates of response to changes in membrane potential. The opening and closing of the channel involves a conformational change of the transmembrane protein in response to the voltage, which changes the channel's permeability to ion flow. Therefore, D is the correct answer.

Voltage-Gated Ion Channels Underlie the Function of Electrically Excitable Cells