The chemical causing transmission of nerve impulse across synapse or end plate is

Choline

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Acetylcholine

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Cholinesterase

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Adrenaline

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Solution

The correct option is A Acetylcholine
Acetylcholine is a neurotransmitter released at the synapses of parasympathetic nerves and at neuromuscular junctions. After relaying a nerve impulse, acetylcholine is rapidly broken down by the enzyme cholinesterase. Anticholinergic drugs block the action of acetylcholine at receptor sites; anticholinesterases and acetylcholinesterase inhibitors prolong the activity of acetylcholine by blocking cholinesterase.
So, the correct answer is (B)

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Similar questions

Explain the following processes :

(a) Polarization of the membrane of a nerve fibre.

(b) Depolarization of the membrane of a nerve fibre

(d) Transmission of a nerve impulse across a chemical synapse

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