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kveras446 kveras446
wrote...
Posts: 195
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6 years ago
The peak of the action potential is caused by the _______ of _______ channels.
   A.   
closing; potassium
   B.   
opening; sodium
   C.   
opening; potassium
   D.   
closing; sodium
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wrote...
Educator
6 years ago
opening; sodium
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