Question

choline formed from the breakdown of acetylcholine in the synaptic cleft is
multiple choice
absorbed into the muscle cell
ingested by macrophage cells in the synaptic cleft
re - absorbed by the presynaptic terminal membrane
concentrated and stored in the synaptic cleft

Explanation:

Acetylcholine is a neurotransmitter. After it is broken - down in the synaptic cleft, the choline formed is taken back up by the presynaptic terminal membrane for reuse in the synthesis of new acetylcholine molecules.

Answer:

Absorbed by the presynaptic terminal membrane