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Bio CH4

Biology CH4 Viruses and Monerans

TermDefinition
antibiotic chemical substances that kill or slow the growth of bacteria
asexual reproduction the reproducing of a living thing from only one parent
bacteria very small, one-celled monerans
biotechnology the use of living things to solve practical problems
blue-green bacteria small, one-celled monerans that contain chlorophyll and can make their own food
capsule a sticky outer layer produced by bacteria
colony a group of similar cells growing next to each other that do not depend on each other
communicable disease diseases that can be spread from one organism to another
decomposer living things that get their food from breaking down dead matter into simpler chemicals
endospore a thick-walled structure that forms inside a bacterial cell
fission the process of one organism dividing into two organisms
flagellum a whiplike thread used for movement by bacteria
host an organism that provides food for a parasite
interferon a chemical substance that interferes with the way viruses reproduce
Koch’s postulates steps for proving that a disease is caused by a certain microscopic organism
parasite an organism that lives in or on another living thing and gets food from it
pasteurization the process of heating milk to kill harmful bacteria
saprophyte organisms that use dead materials for food
vaccine substances made from weakened or dead viruses that protect you against certain diseases
virus a chromosome-like part surrounded by a protein coat
 



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