Which ion flows into the cell during depolarization?
A) potassium
B) sodium
C) calcium
D) protein
B
Explanation:
A) Potassium flows out of the cell after depolarization and causes the cell to repolarize.
C) Calcium does not flow into the cell during depolarization.
D) Proteins do not move into the cell during depolarization.
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Fill in the blank(s) with the appropriate word(s).
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