Examlex
Which molecule from a cytotoxic T cell creates holes in plasma membranes of virus-infected or cancer cells?
Harmless Bacteria
Bacteria that do not cause disease or harm to their host, often playing beneficial roles in the environment or human body.
Nutrients
Substances that provide nourishment essential for the growth and maintenance of life.
Fixed Virulence
A concept referring to a pathogen's stable level of harm or aggressiveness towards its host, not commonly used as a standardized term in scientific literature (NO real standardized definition).
Evolve
The process in which multiple forms of life are presumed to have originated and diversified from earlier types throughout the history of the planet.
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