You are looking at the electrical activity at a receptor site on the postsynaptic membrane. The measured potential is -80 millivolts (below the resting potential) . How is this possible?
A) A neurotransmitter has hyperpolarized the postsynaptic membrane
B) A neurotransmitter has depolarized the postsynaptic membrane
C) No neurotransmitters were released into the synaptic cleft
D) The postsynaptic membrane is an axon
E) Positive ions have entered ion channels near the receptor site
Correct Answer:
Verified
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