Marcus,who Works in the Laboratory of Dr

question 11

Multiple Choice

Marcus,who works in the laboratory of Dr.Flores,a prominent electrophysiologist,takes readings with a recording electrode placed within a squid axon.He reports to Dr.Flores that the cell is firing an action potential.What measurement did Marcus take with the recording electrode?

• A)−70 mV
• B)0 mV
• C)+40 mV
• D)+70 mV

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