The neurotransmitter which communicates between two neurons or between a neuron and a muscle is

The receptors of neurotransmitters are present on/in the

$GABA$ (Gamma-aminobutyric acid) is a:

Assertion $(A) :-$ Impulse transmission across an electrical synapse is always faster than that across a chemical synapse.
Reason $(R) :-$ Electrical current can flow directly from one neuron into the other across electrical synapses.

Identify the sequential steps occurring in a chemical synapse.

Which of the following inhibits the enzyme acetylcholinesterase?