Multiple Choice
What is the role of sodium and potassium ions in transmitting a signal down the axon?
A) They coat the myelin sheath to help prevent the signal from leaking away.
B) They cause a change in the electrical charge difference across the cell membrane.
C) They surround the axon terminals and attract the electrical signal to the synapse.
D) They enter the cell membrane with water to prevent any charge difference.
E) They flow out of the axon and are taken up by nearby cells.
Correct Answer:
Verified
Correct Answer:
Verified
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