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The characteristics of bacteria. How bacteria reproduce. The various functions of bacteria. How bacteria contribute to disease.
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that nasty germs can make you really sick that the word bacteria doesn't refer to the germs which make people sick the beneficial effects that most bacteria may produce on human body the possibility that beneficial bacteria may stop vaginal infections in women
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a new bacteria colony should be put into the plant in advance the disinfection chemicals should be always used the air blower should be started and keep running in advance the nutrient for bacteria should put into plant in advance
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