Prion - A causative agent of infectious disease that is composed primarily of protein.⏎
Nerve Toxin - Also called neurotoxins, these refer to poisonous substances that cause damage to cells in the nervous system.⏎
Protein - Large molecules composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding.⏎
Nanometer - A unit of length equal to one one-billionth (1 x 10-9) of a meter.⏎