Regarding Voltage-Gated Sodium Channels

question 45

Multiple Choice

Regarding voltage-gated sodium channels:

• A) the probability that they are open depends on the voltage of the cell
• B) they contain 4 segments, each of which consists of 6 transmembrane domains
• C) after inactivation they must be "reset" by a return to resting voltages
• D) all of the above are true

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