Given what we know, we can confirm that this behavior is indicative of a neurotransmitter.
A neurotransmitter is a signal liberated by a neuron, to describe it in the most simple of terms possible. This neurotransmitter travels further from the originating synapses and affects another cell, being involved in the new synapse taking place in that cell.
Therefore, we can confirm that this behavior is indicative of a neurotransmitter.
To learn more about neurotransmitters visit:
https://brainly.com/question/8849920?referrer=searchResults