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Depolarization occurs because
A) more K+ diffuse into the cell than Na+ diffuse out of
B) more K+ diffuse out of the cell than Na+ diffuse into it
C) more Na+ diffuse into the cell than K+ diffuse out of it
D) more Na+ diffuse out of the cell than K+ diffuse into it
E) both Na+ and K+ diffuse into the cell

Respuesta :

maryjanewambui

Answer:

more Na+ diffuse into the cell than K+ diffuse out of it

Explanation:

When a nerve cell is stimulated, the electrical properties of the membrane are momentarily reversed. The inside of the membrane attains a positive charge of up to +40 millivolts, while the outside becomes negatively charged. Under these conditions the membrane is said to be depolarized.

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