-In Figure 8.1, if the presynaptic neuron is cholinergic, what is the structure in Step 6?
A) catechol -O -methyltransferase
B) acetylcholinesterase
C) monoamine oxidase
D) choline acetyl transferase
E) dopa decarboxylase

Question

-In Figure 8.1, if the presynaptic neuron is cholinergic, what is the structure in Step 6?
A) catechol -O -methyltransferase 
B) acetylcholinesterase 
C) monoamine oxidase 
D) choline acetyl transferase 
E) dopa decarboxylase

Quizplus · Accepted Answer

In a cholinergic synapse, acetylcholinesterase is the enzyme responsible for breaking down acetylcholine in the synaptic cleft, which corresponds to the process described in Step 6.