Multiple Choice
The outer membrane of a neuron is semipermeable.This means that:
A) a very specific number of sodium ions are allowed to cross the membrane.
B) the fluid outside the membrane is positively charged.
C) some substances,but not others,can pass through the membrane.
D) the membrane must be depolarized before any particles can pass through it.
Correct Answer:

Verified
Correct Answer:
Verified
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