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11 Cards in this Set

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aerobe
an organism that uses oxygen for respiration
anaerobe
any organism that is able to live without oxygen
fission
simplest form of asexual reproduction in which two new cells are produced with genetic material identical to each other and identical to the previous cell
flagella
whiplike tails of many bacterial that help them move around in moist conditions
antibiotic
chemicals produced by some bacteria that are used to limit the growth of other bacteria
endospore
thick-walled, protective structure produced by a pathogen when conditions are unfavorable for survival
nitrogen-fixing bacteria
bacteria that convert nitrogen in the air into forms that can be used by plants and animals
pathogen
disease-producing organism
saprophyte
organism that feeds on dead or decaying tissues of other organisms.
toxin
poisonous substance produced by some pathogens
vaccine
preparation made from killed bacteria or damaged particles from bacterial cell walls that can jprevent some bacterial diseases