Which of the Following is Considered the Rate-Limiting Step in the Synthesis

Question

Which of the following is considered the rate-limiting step in the synthesis of acetylcholine?
A) Transport of choline into the neuron
B) Acetylcholinesterase production
C) Choline acetyltransferase activity
D) Acetyl CoA availability

Accepted Answer

The transport of choline into the neuron is considered the rate-limiting step in the synthesis of acetylcholine, as it determines the availability of choline to be acetylated by choline acetyltransferase.