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10 Cards in this Set
- Front
- Back
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moderate temperature loving microbes:
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mesophiles
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heat loving microbes:
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Thermophiles
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cold loving microbes:
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psychrophiles
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organisms that can grow, usually between 20 and 30°C but cannot grow above 40°C and are likely to be encountered in low temperature food spoilage:
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psychotrophs
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An organism whose optimum growth temperature is at least 80 degrees C; also called extreme thermophile.
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hyperthermophile
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An organism that requires molecular oxygen (O2) to live.
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obligate aerobe
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An organism that does not use molecular oxygen (O2) and is killed in the presence of O2.
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obligate anaerobe
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A complex polysaccharide derived from a marine alga and used as a solidifying agent in culture media.
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agar
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A culture medium in which the exact chemical composition is known
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chemically defined media
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A culture medium in which the exact chemical composition is not known
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complex media
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