Multiple Choice
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) opening of Ca²⁺ channels in the membrane
D) a K⁺ concentration gradient across the membrane
E) a Ca²⁺ concentration gradient across the membrane
Correct Answer:
Verified
Correct Answer:
Verified
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