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20 Cards in this Set
- Front
- Back
Eukaryotic diversity |
approx. 8.7x10^6 species |
|
Alessandro Volta (1745-1825) |
discovered Methane in 1778 studying Marsh gas in Lake Maggiore |
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Hydrogenotrophic |
metabolises carbon dioxide, formates and carbon monoxide |
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Methylotrophic |
metabolise methanol, methylamine, dimethylamine and trimethylamine |
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Acetotrophic |
metabolise acetate and pyruvate |
|
soil bacteria |
0.3 x 0.5 um |
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marine bacteria |
0.3 x 1 um |
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E. coli |
1 x 3 um |
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Epulopiscium fishelsoni |
50 x 600 um |
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Thiomaryarita namibiensis |
750 um |
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oligotrophy |
small feeding growth at low nutrient concentration |
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phototrophs |
photosynthetic |
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chemotrophs |
oxidation of chemicals litho = inorganic organo = organic |
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autotrophic |
make organic molecules from inorganic nutrients |
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hetreotrophic |
depends on OM for energy generation |
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cyanobacteria |
First organism to conduct oxygenic photosynthesis. produce oxygen . use hydrogen atoms from water to reduce CO2 to form carbohydrates. |
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Lichens |
cyanobacteria provide organic compounds via photosynthesis and can nitrogen fix. ascomycete provide protection, water retention, extract minerals and nutrients |
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Nitrofication |
Central role I global nitrogen cycle. nitrate pollution. N removal in wastewater treatment. compete for ammonia |
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Halobacteria |
possess Bacteriorhodospin. light energy used to transfer protons across the membrane and out if cell. generate ATP. use organic Carbon. |
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Methanogenesis |
4H2 + CO2 -> CH4 + 2H2O |