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My guess is that it gets hydrolyzed to choline and acetic acid

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15y ago

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What is the Process by which ACh gets across cleft?

Acetylcholine (ACh) is released from the presynaptic neuron into the synaptic cleft. It then binds to ACh receptors on the postsynaptic neuron, causing ion channels to open and allowing for the transmission of the nerve impulse. Any remaining ACh is broken down by the enzyme acetylcholinesterase, ensuring that the signal is quickly terminated.


How is acetylcholine (ACh) removed from the synaptic cleft?

Acetylcholine is degraded by acetylcholinesterase


Why doesn't acetylcholine remain on the post-synaptic process?

Acetylcholine (ACh) does not remain on the post-synaptic membrane because it is rapidly broken down by the enzyme acetylcholinesterase. This enzymatic degradation occurs in the synaptic cleft, preventing prolonged stimulation of the post-synaptic receptors. Additionally, the reuptake of choline into the pre-synaptic neuron helps recycle components for future neurotransmitter synthesis. This process ensures that synaptic transmission is brief and precisely regulated.


What destroys ACh?

Acetylcholinesterase (AChE) is an enzyme that breaks down acetylcholine (ACh) into choline and acetate, thus destroying ACh. This process helps in regulating the levels of ACh at the synaptic cleft and terminating its action.


How is acetylcholine (ACh) removed from the synaptic cleft?

Acetylcholine (ACh) is removed from the synaptic cleft through a process called enzymatic degradation. The enzyme acetylcholinesterase breaks down ACh into its components, acetate and choline, which are then taken back up into the presynaptic neuron for recycling or further processing.


How does the drug Neostigmine work to increase the bodys synaptic performance?

it blocks things [such as acetylchoinesterase] that break down ach


What are the events that occur at a neuromuscular junction?

At a neuromuscular junction, the process begins when an action potential travels down a motor neuron, leading to the release of acetylcholine (ACh) from synaptic vesicles into the synaptic cleft. ACh binds to receptors on the muscle cell membrane, causing depolarization and the initiation of an action potential in the muscle fiber. This depolarization triggers the release of calcium ions from the sarcoplasmic reticulum, ultimately leading to muscle contraction. The ACh is then broken down by the enzyme acetylcholinesterase, terminating the signal and allowing the muscle to relax.


After nervous stimulation stops ACh in the synaptic cleft is prevented from continuing stimulation of contraction by what?

acetylcholinesterase destroying the ACh


After nervous stimulation stops what prevents ACh in the synaptic cleft from continuing to stimulate contraction?

Acetylcholinesterase destroying the ACH


How is neostigmine chemically used to treat myasthenia gravis?

Neostigmine is a competitive irreversible inhibitor of Acetylcholinesterase (AChE), an enzyme responsible for breaking down acetylcholine (ACh). Myasthenia gravis is caused by the body producing too little ACh receptors. As stimulating the ACh receptors is needed for nervous transmission, the nerve signals cannot be transmitted causing muscle weakness and fatigue. Neostigmine is hence used to inhibit AChE so that less ACh gets broken down. This leads to more ACh binding to the ACh receptors causing muscular contraction.


Why physostigmine is the antidote for atropine?

Physostigmine inhibit AchE (the enzyme that hadrolyse Ach), so Ach accumulate at synaptic cleft and banish the effect of atropine


In a neuromuscular junction synaptic vesicles in the motor neuron contain which neurotransmitter In a neuromuscular junction synaptic vesicles in the motor neuron contain which neurotransmitter?

In a neuromuscular junction, synaptic vesicles in the motor neuron contain the neurotransmitter acetylcholine (ACh). When an action potential reaches the motor neuron, ACh is released into the synaptic cleft and binds to receptors on the muscle fiber, leading to muscle contraction.