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The Opening of More and More Na+ Ion Channels During

Question 65

Multiple Choice

The opening of more and more Na+ ion channels during depolarization


A) is the result of the sodium-potassium exchange pump.
B) is an example of a positive feedback cycle.
C) is possible only if K+ channels remain closed.
D) is the cause of the afterpotential.
E) is an example of a negative feedback cycle.

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