The receptors on the postsynaptic neurons are present on the plasma membrane.
As synapse is junction or space found between two neurons or a neuromuscular junction that allows for transmission of impulse between the neurons.
The receptors found on the postsynaptic neurons are present on the plasma membrane.
Therefore, the receptors on the postsynaptic neurons are present on the plasma membrane.
Learn more about about synapse and receptors at: https://brainly.com/question/7665993