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Biology, 11.11.2020 04:30 JanetLee7907
Ligand-gated ion channels play important roles in relaying information between neurons at synapses. An outline of the structure of a synapse is shown in this diagram.
Which of the following statements most accurately describes ligand-gated ion channels found at synapses?
A) The neurotransmitter ligand binds and opens the channel, and then the ligand-gated ion channel directly regulates ion flow into the cell receiving the neurotransmitters.
B) The neurotransmitter ligand binds and opens the channel, and then the ligand-gated ion channel directly regulates ion flow into the cell releasing the neurotransmitters.
C) The neurotransmitter ligand binds and either opens or closes the channel, and then the ligand-gated ion channel directly regulates ion flow into the cell releasing the neurotransmitters.
D) The neurotransmitter ligand binds and either opens or closes the channel, and then the ligand-gated ion channel directly regulates ion flow into the cell receiving the neurotransmitters.
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