Dopamine is incorrect. Opiate drugs occupy the same receptor sites as endorphins.
Yes.
Heroin
your DNA.
Synapse? Dendrite? Dendritic spine? Or, "You could maybe a better answer to your question get if you re-stated it less confusingly as?" ie, perhaps, "Where are the receptor sites involved in transmitting a nerve impulse LOCATED?"
Neurotransmitter receptor sites on ligand-gated ion pores.
Dopamine is incorrect. Opiate drugs occupy the same receptor sites as endorphins.
Yes.
endorphins
Cells known as astrocytes can remove neurotransmitters from the receptor area.
An adrenergic receptor is any of several sites in the surface membranes of cells innervated by adrenergic neurons.
Synapse
dendrites only
Heroin
endorphine
cytoplasm
your DNA.