Refer to the Graph Showing the Tracing of Membrane Potential

question 44

Multiple Choice

Refer to the graph showing the tracing of membrane potential change during the course of an action potential. Which event is occurring in the section of the tracing highlighted in red?

• A) Closing of sodium channel inactivation gates
• B) Opening of voltage-gated sodium channel activation gates
• C) Closing of potassium leak channels
• D) Opening of gated potassium channels
• E) Closing of all gated channels

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