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Questions and Answers
Which enzyme is responsible for synthesizing acetylcholine in the cytoplasm?
Which enzyme is responsible for synthesizing acetylcholine in the cytoplasm?
- Vesicle-associated choline transporter
- Acetyl-CoA
- Acetylcholinesterase
- Choline acetyltransferase (correct)
What is the function of acetylcholinesterase?
What is the function of acetylcholinesterase?
- To release acetylcholine by exocytosis
- To slow the SA/AV nodal cells
- To split acetylcholine into choline and acetate (correct)
- To transport acetylcholine into the vesicle
What happens when acetylcholine is released by exocytosis?
What happens when acetylcholine is released by exocytosis?
- It opens potassium channels
- It requires VAMPs and SNAPs interaction (correct)
- It blocks the sodium channel
- It causes Gi/o stimulation
What is the role of choline acetyltransferase (ChAT) in the release of acetylcholine?
What is the role of choline acetyltransferase (ChAT) in the release of acetylcholine?
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Which transporter is responsible for packaging acetylcholine into vesicles for release?
Which transporter is responsible for packaging acetylcholine into vesicles for release?
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What is the function of acetylcholinesterase (AchE) in the synaptic cleft?
What is the function of acetylcholinesterase (AchE) in the synaptic cleft?
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