Cell Membrane - A semipermeable barrier that separates the interior of a cell from the external environment.⏎
Cancer - A class of diseases in which abnormal cells divide without control and are able to invade healthy tissues in various parts of the body.⏎
Bioweapon - A bacterium, virus, or other biological toxin used in bioterrorism or biological warfare.⏎
Biological Agent (Terrorism) - A bacterium, virus, or other biological toxin used in bioterrorism or biological warfare.⏎