Solutions to: 7.012 Neurobiology Section ProblemShown below is a plot of an action potential at a single point on an axon.Membrane potentialtime+50 mV-70 mV0 mVABCFill in the table below, for each of the three timepoints (A, B and C) indicated by thearrows in the diagram above. Time PointABCNa+ voltage-sensitivechannel status(Inactivated, Closed, orOpen)ClosedOpenInactivatedK+ voltage-sensitivechannel status(Inactivated, Closed, orOpen)ClosedClosedOpenNa+ flow through Na+voltage-sensitivechannels(In, None, or Out )NoneInNoneK+ flow through K+voltage-sensitivechannels(In, None, or Out )NoneNoneOutMIT Biology Department7.012: Introductory Biology - Fall 2004Instructors: Professor Eric Lander, Professor Robert A. Weinberg, Dr. Claudette GardelOLD Section Problem
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