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What statement describes nicotinic acetylcholine ACh receptors as opposed to muscarinic ACh receptors?
Wiki User
∙ 15y ago
Nicotinic receptors are closed until ACh molecules bind to the receptor proteins.
Wiki User
∙ 15y ago
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What is ACh receptors?
ACH receptors can be defined as an integral membrane protein that responds to the binding of acetylcholine, a neuoyansmitter. Two example are nicotinic acetyl line receptors and muscarinic acetylcholine receptors. .
What do Muscarinic receptors bind?
Acetylcholine.
Does epinephrine affect the muscarinic receptors?
No. Muscarinic receptors are affected by acetylcholinergic neurotransmitters (ie. muscarine, atropine). Only the parasympathetic nervous system have muscarinic receptors. Epinephrine affects adrenergic receptors (symapthetic nervous system).
What is the effect of curare on eliciting an action potential?
it is an alpha-toxin that binds to acetylcholine binding sites on the postsynaptic cell membrane, which prevents the acetylcholine from acting. Curare blocks synaptic transmission by preventing neural impulses to flow from neuron to neuron. It does allow the action potential to travel in the axon, it just doesn't pass it on to the dendrite.
Muscarinic receptors are inhibitory and excitatory?
Depending on the effector organ it can be inhibitory or excitatory. The muscarinic receptors are activated from the parasympathetic nervous system. So the effect of muscarinic receptors activated on the heart, it will slow the heart down. However, on the gastrointestinal tract, it will increase motility.
What are The two types of receptors that bind acetylcholine?
Nicotinic; muscarinic
Does atropine block only nicotinic receptors?
Atropine does not only block nicotinic receptors but also acetylcholine at muscarinic receptors
What are two types of receptors that bind acetylcholine?
nicotinic and muscarinic
How many different kinds of receptors are there for acetylcholine?
Two types, nicotinic and muscarinic
The two types of receptors that bind acetylcholine are?
nicotinic acetylcholine receptors (nAChR, also known as "ionotropic" acetylcholine receptors) are particularly responsive to nicotinemuscarinic acetylcholine receptors (mAChR, also known as "metabotropic" acetylcholine receptors) are particularly responsive to muscarine.Nicotinic and muscarinic are two main kinds of "cholinergic" receptors.
What is ACh receptors?
ACH receptors can be defined as an integral membrane protein that responds to the binding of acetylcholine, a neuoyansmitter. Two example are nicotinic acetyl line receptors and muscarinic acetylcholine receptors. .
A is a type of drug lowers the rate of muscular or nervous system activity?
An inhibitor of nicotinic acetylcholine receptors (nAChRs) and muscarinic AChRs (mAChRs)
What do Muscarinic receptors bind?
Acetylcholine.
The neurotransmitter used at cholinergic synapse is?
The neurotransmitter is called acetylcholine. Cholinergic receptors are of two kinds: nicotinic receptors, which are situated in striated muscles and muscarinic receptors, which are situated in parasympathetically innervated structures.
What neurotransmitter is found at the synapse between nerves and human skeletal muscle cells?
Acetylcholine is the neurotransmitter at the neuromuscular junction.
What are the two types of catecholamines?
alpha receptors make the heart beat faster, the pupils of the eyes dilate, and the muscles contract. The beta receptors have similar effects and also cause the bronchi in the lungs to open up
Curare is a paralyzing poison that functions as what?
It functions as an Acetylcholine antagonists. Acetylcholine was the first neurotransmitter to be discovered. A nicotinic antagonist inhibits Acetylcholine's receptors.
