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Which Statement Is TRUE Regarding the Na+ Voltage-Gated Channel in Neurons

Question 10

Multiple Choice

Which statement is TRUE regarding the Na+ voltage-gated channel in neurons?


A) Similar to the potassium ion channel, it exists as a tetramer in the membrane.
B) Positive membrane potentials on the extracellular side will close the channel.
C) Aspartate residues are part of the voltage-sensing helices.
D) Ion specificity comes from the voltage-sensing helices.

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