1.

The chemical causing the transmission of nerve impulse across synapses is or The neurotranmitter which communicates between two neurons or between a neuron and a muscle aA. AcetylcholineB. CholinersteraseC. CholineD. Acetic acid

Answer» Correct Answer - a
Arrival of an impulse at the synaptic knob causes the acetylcholine to be discharged into synaptic cleft.


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