Identify the key feature of the action potential that ensures it will travel only one direction.

A. the activation state of the voltage-gated Na+ channel
B. the temporary cessation in activity of the Na+/K+ pump
C. the inactivation state of the voltage-gated K+ channel
D. the activation state of the voltage-gated K+ channel
E. the inactivation state of the voltage-gated Na+ channel


Answer: E

Biology & Microbiology

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