ONLINE SUBSTITUTE CERTIFICATE APPLICATION. 1  You will first need to create a profile in our certification system. 2  After you have created a profile in our certification system, find the applications link in the menu on the left hand side of the screen to see a list of application types.
Neurotransmitters and Neuroactive Peptides. Communication of information between neurons is accomplished by movement of chemicals across a small gap called the synapse. Chemicals, called neurotransmitters, are released from one neuron at the presynaptic nerve terminal.ommunication of information between neurons is accomplished by movement of chemicals across a small gap called the synapse.
1 Neurons are the cells that process information in the brain. 2  Chemicals called neurotransmitters allow neurons to communicate with each other. 3  Neurotransmitters fill the gap, or synapse, between two neurons and bind to protein receptors, which allow various functions in the brain and body to be turned on and off.