Multiple Choice
Acetylcholine is a chemical messenger that
A) activates the presynaptic membrane to make it permeable to ions that conduct an impulse.
B) inactivates the presynaptic membrane to make it impermeable to certain ions that conduct an impulse.
C) activates the postsynaptic nerve cell by fitting into a specific receptor and changing the permeability of the cell membrane to certain ions.
D) inactivates the postsynaptic membrane to make it impermeable to certain ions that conduct an impulse.
Correct Answer:
Verified
Correct Answer:
Verified
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