Biology, 13.07.2020 21:01 shekinahconnoll3904
In an experiment, the membrane potential of a neuron is hyperpolarized to –120 mV. When an inhibitory neurotransmitter is applied to the preparation, the membrane is depolarized. Which of the following could explain this result?
a. Inhibitory transmitters normally depolarize the synaptic membrane.
b. The normal response of the postsynaptic membrane to any transmitter is depolarization.
c. The inhibitory transmitter activates ligand-gated potassium channels.
d. Sodium channels become inactivated.
e. Calcium channels become activated.
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