1. In a normal axon, the action potential moves in one direction, from cell body to axon
terminal, without stopping or reversing course. Based on the function of the Na+
channel:
a. Why does an action potential move in an all-or-nothing fashion down the length
of an axon without stopping?
b. What mechanism of the Na+ channel prevents the action potential from
reversing course?
Answers: 1
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1. In a normal axon, the action potential moves in one direction, from cell body to axon
terminal,...
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