Examlex
Rank the following compounds in order of increasing reactivity in nucleophilic acyl substitution.
Acetylcholinesterase
Enzyme found in the synaptic cleft that causes the breakdown of acetylcholine to acetic acid and choline, thus limiting the stimulatory effect of acetylcholine.
Acetylcholine
A neurotransmitter involved in many functions including muscle contraction and the transmission of nerve impulses in the central and peripheral nervous system.
Synapse
The junction between two neurons, where electrical or chemical signals are transmitted from one neuron to another.
Postsynaptic Membrane
The part of the nerve cell that receives signals from another neuron at a synapse, responding to the neurotransmitters released.
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