Marcus Works in the Laboratory of Dr

Multiple Choice

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