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10 Cards in this Set
- Front
- Back
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Growth
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an increase in the number of microbical cells or mass
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Generation time
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time required by a cell to divide and its population to double.
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Photoautotrophs
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use carbon dioxide as a source of carbon and light as a source of energy, in plants, algae and cynobacteria.
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Chemoautotrophs
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use carbon dioxide as a source of carbon and inorganic compounds such as sulfir for energy
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Photoheterotropes
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use organic compounds as a source of carbon and light as a source of energy
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Chemoheterotropes
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use organic compounds as a source of carbon and energy
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chemical required for microbial growth
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sulfur, carbon, nitrogen, oxygen, phosphorous, calcium, trace elements, magnesium, iron
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Oxygen Requirements
Obligate aerobes |
grow only in the presences of oxygen (aerobic respiration)
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faculatative anaerobes
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prefer oxygen but can grow without it as well- (fermentation, aerobic or anaerobic respiration
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obligate anaerobe
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will die in the presences of oxygen
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