Which of the following BEST defines a neurotransmitter?
A) a chemical messenger that crosses the synaptic gap between neurons
B) an electrical impulse that crosses the synaptic gap between neurons
C) a chemical communicator manufactured by glial cells
D) a microscopic channel through which sodium and potassium ions pass
Correct Answer:
Verified
Q36: The amount of information that a neuron
Q37: The cell body of a neuron:
A)provides the
Q38: The analogy used in the book referred
Q39: Information is transmitted along the axon:
A)by glial
Q40: Multiple sclerosis is a disease that involves:
A)the
Q42: The all-or-none law refers to the fact
Q43: The graph shows the changing electrical charge
Q44: An action potential occurs when:
A)sodium ions enter
Q45: The electrical charge of a neuron when
Q46: Synaptic vesicles contain:
A)hormones.
B)ions.
C)neurotransmitters.
D)receptors.
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