When a voltage-gated sodium channel opens, sodium ions rush into the cell. Why?
a.
The sodium channel pumps in sodium ions
b.
Potassium ions attract sodium ions
c.
The concentration gradient drives sodium ions into the cell
d.
There is a slight vacuum inside the axon
e.
None of the above
1
Expert's answer
2015-11-03T12:25:15-0500
c. The concentration gradient drives sodium ions into the cell
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