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15 Cards in this Set
- Front
- Back
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micoorganisms
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living animals or plants visible only with a microscope
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non pathogens
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harmless and beneficial MOs
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pathogens
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MO's that cause illness
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aerobic bacteria
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requires o2 to live
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anaerobic bacteria
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exists without o2
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viruses
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smallest MO causes diseases
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fungi
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yeasts and molds
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rickettsiae
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resemble bacteria
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protozoans
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single celled animals
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mycoplasms
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MOs that lack a cell wall
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helminths
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infectiuos worms
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prions
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does not contains nucleic acid
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spore
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temp inactive MO can resist heat and destructive chemials and survive w/o moisture
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6 step in the chain of infection
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1) agent 2) reservior 3) exit route 4) mode of trans 5) port of entry 6)suseptable host
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normal flora
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good bacteria that the body has
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