Depolarization of the nerve cell membrane occurs because
A) sodium is not being pumped out of the cell.
B) there is a reverse of polarity due to an increase in the amount of potassium in the cell.
C) the permeability of the membrane changes and allows sodium ions to flow into the cell by diffusion.
D) sodium ions are actively pumped into the cell.
Correct Answer:
Verified
Q4: In which of the following ways are
Q5: Motor neurons
A) send messages to the brain.
B)
Q6: A neuron and a nerve differ in
Q7: Which of the following occurs during a
Q8: The voltage of 70 millivolts that exists
Q10: The nerve impulse moves along the neuron
Q11: Which of the following is a neurotransmitter?
A)
Q12: A synapse is
A) part of a neuron.
B)
Q13: Neurotransmitters like acetylcholine
A) are manufactured in the
Q14: Neurotransmitters like acetylcholine
A) are released from axons.
B)
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