Which of the following places the listed events of chemical synapse transmission in the correct order?
1-Ca2+ enters axon terminal.
2-Ligand-gated ion channels open in postsynaptic membrane.
3-Neurotransmitter binds to postsynaptic receptor.
4-Action potential reaches axon terminal of presynaptic neuron.
5-Neurotransmitter released by exocytosis.
A) 4, 5, 2, 3, 1
B) 4, 1, 5, 3, 2
C) 4, 1, 3, 5, 2
D) 4, 5, 1, 3, 2
Correct Answer:
Verified
Q21: Q22: How is the intensity of an electrical Q22: What happens as the action potential reaches Q25: What happens to the magnitude of an Q27: For which axon might you expect action Q28: What occurs when threshold potential is reached? Q29: Why is the refractory period of a Q30: Which term refers to the minimum level Q31: Which structures aid in saltatory conduction? Q32: Which of the following is a reasonable
A)The
A)nonmyelinated axons
B)synapses
C)myelinated
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