Which signal are you talking about?
The transmission of an impulse is made possible first by electric signals propagating within a neuron. Then, at the end of the axon called a synapse, chemical substances called neurotransmitters get released to transmit the message. These neurotransmitters then attach to chemical receptors in the following neuron.
I believe the answer is it can form polymers like carbs, lipids, proteins, and nucleic acids.
PMI is very important in forensics because having a time of death can help with the identification of human remains and can support or deny the stated actions of suspects in the crime.
They are all rock with different size and shapes and are located in different areas possibly in the same areas but they all have there own unique textures from the photographs and 3 of them look like maybe a fossil of some type of when the dinosaurs where still around and the rocks on the top left corner look smooth and are a small type of igneous rocks. That have been soothed over the years.
