Answer:
All plasmids we manufactured are free of animal-derived materials and can contain low levels of endotoxin (<100EU/mg, on request). This process is designed to meet our customers’ diverse downstream applications such as transfection, antibody preparation, vaccine, and gene-therapy research, etc.
Important muscle electrical signals is the movement of charged material (ions) across cellular membranes in a limited area
In a dichotomous key you named then by their traits while in a branching diagram it already has the name and it's traits.