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Science- 1 sem

Chapter 8 definitions- Bacteria

TermDefinition
flagellum A whip like tail on bacteria and protists that helps them move in a moist enviroment.
fission A type of asexual reproduction used by bacteria in which one bacterium divides to form two celles with identical genetic material.
aerobe An organism that must have oxygen to survive.
anaerobe An organism that can survive with out oxygen.
saprophyte Any organism that uses dead materail as a food and energy source.
nitrogen- fixing bacteria Bacteria that change nitrogen in the air into nitrogen compounds that are useful to plants and animals.
pathogen Any organism that produces disease.
antibiotic A substance produced by an organism that is used to kill or inhibit another organism.
vaccine A solution made from damaged virus or bacteria particles or from killed or weakened viruses or bacteria; can prevent, not cure, many viral and bacterial diseases.
toxin A poison produced by disease- causeing organisims (pathogens).
endospore A thick- walled structure that some bacteria produce around themselves, especially for protection from heat and drought.
antiobiotic resistance In bacteria, the evolutionary change that occures when bacterial strains that are mostly killed by a specific drug mutate into strains that are not affected by that drug.
flaggium whip like tail
Created by: Backwrdfshy
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