Marcus works in the laboratory of Dr. Flores, an expert in the electrophysiology of squid axons. After taking a reading from a recording electrode placed within a squid axon, Marcus comments to Dr. Flores that the squid axon is at its resting potential. What measurement did Marcus take with the recording electrode?
a. -70 mV
b. -40 mV
c. 0 mV
d. +40 mV
ANSWER:
a
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