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From Bacteria to Plants Ch. 1 Section 2

Bacteria in Your Life

antibioticchemical produced by some bacteria that are used to limit the growth of other bacteria
saprophyteorganism that uses dead organisms as a food source & helps recycle nutrients
nitrogen-fixing bacteriathese change nitrogen in the air into forms that plants & animals can use
pathogendisease-producing organism
toxinpoisonous substance made by some pathogens
endosporethick-walled protective structure made by some bacteria when conditions are not good for survival
vaccinemade from damaged particles of bacterial cell walls or from killed bacteria, it can prevent some bacterial diseases
pasteurizationprocess of heating food to a temperature that kills most bad bacteria
botulisma type of food poisoning caused by toxin-producing bacteria
diseasea condition with symptoms that interferes with normal body functions

ESL & Spanish Teacher
Lincoln Middle School

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