Chapter 8 definitions- Bacteria
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| flagellum | A whip like tail on bacteria and protists that helps them move in a moist enviroment.
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| fission | A type of asexual reproduction used by bacteria in which one bacterium divides to form two celles with identical genetic material.
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| aerobe | An organism that must have oxygen to survive.
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| anaerobe | An organism that can survive with out oxygen.
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| saprophyte | Any organism that uses dead materail as a food and energy source.
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| nitrogen- fixing bacteria | Bacteria that change nitrogen in the air into nitrogen compounds that are useful to plants and animals.
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| pathogen | Any organism that produces disease.
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| antibiotic | A substance produced by an organism that is used to kill or inhibit another organism.
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| 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.
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| toxin | A poison produced by disease- causeing organisims (pathogens).
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| endospore | A thick- walled structure that some bacteria produce around themselves, especially for protection from heat and drought.
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| 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.
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| flaggium | whip like tail
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Or sort by any of the columns using the down arrow next to any column heading.
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