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Glossary of bacteria and viruses

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interferon
a chemical substance that interferes with the way viruses reproduce.
virus
a chromosome-like part surrounded by a protein coat.
parasite
an organism that lives in or in another living thing and gets food from it.
fission
the process of one organism dividing into two organisms
biotechnology
the use of living things to solve practical problems
antibiotic
chemical substances that kill or slow the growth of bacteria
pasteurization
the process of heating milk to kill harmful bacteria
blue-green bacteria
small, one-celled monerans that contain chlorophyll and can make their own food
flagellum
a whiplike thread used for movement by bacteria
colony
a group of similar cells growing next to each other that do not depend on each other.

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