Because of the presence of both activation and inactivation gates, voltage-gated Na⁺ channels can A) be closed but capable of opening. B) activated. C) closed and not capable of opening. D) all of these answers. E) none of these answers.

Question

Quizplus · Accepted Answer

Voltage-gated Na⁺ channels have both activation and inactivation gates, allowing them to exist in multiple states: closed but capable of opening, activated (open), and closed and not capable of opening (inactivated). Therefore, all the given options are possible states of these channels.

Because of the Presence of Both Activation and Inactivation Gates