Question

Which is needed for one nerve to communicate with another nerve across a synapse?
electrical signals
nodes of Ranvier
neurotransmitters
myelinated sheath

Answer 1

The signal may be directly transferred at electrical synapses or, if there is no physical link between adjacent neurons, the signal is carried across the gap by chemicals called neurotransmitters. By using the neurotransmitters, the nervous system can alter the way a message is passed on. so the answer is c

Answer 2

Examples of such neurotransmitters are GABA, Dopamine etc.

Answer 3

thank you both!