Multiple Choice
A nerve cell fires with a frequency of 50 Hz. With each firing, 105 singly charged potassium ions are ejected through the cell's membrane, across which exists a potential of 90 mV. At what rate must energy be supplied to the nerve cell in order for it to fire?
A) 7 × 10-15 W
B) 3 × 10-14 W
C) 8 × 10-14 W
D) 9 × 10-13 W
Correct Answer:

Verified
Correct Answer:
Verified
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