Simple staining is often necessary to improve contrast in which microscope?.

C- simple staining is often necessary to improve contrast in the compound light microscope.

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.