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dracko dracko
wrote...
Posts: 548
6 years ago
The depolarization phase of an action potential requires
A) opening of K+ channels in the membrane.
B) opening of Na+ channels in the membrane.
C) a K+ concentration gradient across the membrane.
D) a Na+ concentration gradient across the membrane.
E) both B and D
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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6 years ago
E
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