if neurotransmitter x is able to bind to a receptor site of a ligand-gated sodium channel y on a postsynaptic neuron that is capable of becoming desensitized, what is the likely outcome if neurotransmitter x were to remain in the synaptic cleft for a long time (select all that apply)?

Answers

Answer 1

Answer:

If neurotransmitter x remains in the synaptic cleft for a long time, the following outcomes are possible:

Prolonged depolarization: Continuous binding of the neurotransmitter to the receptor site of the ligand-gated sodium channel can cause prolonged depolarization of the postsynaptic membrane, leading to sustained neuronal signaling.

Desensitization: Prolonged exposure of the receptor site to the neurotransmitter can cause desensitization, where the receptor becomes unresponsive to the neurotransmitter, reducing the strength of the neuronal signal.

Reuptake: The neurotransmitter may be taken back up into the presynaptic neuron through reuptake transporters, reducing the concentration of the neurotransmitter in the synaptic cleft and reducing the strength of the neuronal signal.

Degradation: The neurotransmitter may be degraded by enzymes in the synaptic cleft, reducing the concentration of the neurotransmitter and the strength of the neuronal signal.

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