Which Of The Following Situations Occurs In Electrically Excitable Cells

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Which Of The Following Situations Occurs In Electrically Excitable Cells

ells? A. When Na+ ion channels open, K+ ion channels close. B. The sodium-potassium exchange pump moves sodium into the cell. C. Depolarization causes voltage-gated sodium ion channels to open. D. Ligand-gated sodium ion channels are opened by high extracellular calcium levels. E. Proteins tend to diffuse out of the cell.
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C. Depolarization causes voltage-gated sodium ion channels to open.

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