As a class, we added several different reagents to our Winogradsky columns. We also made one control-column...

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Biology

As a class, we added several different reagents to ourWinogradsky columns. We also made onecontrol-column that had nothing added to it (aside from sedimentand water). Everyone added paper towels (but at varying depths),and sulfate to the bottom of their columns. The rest of thetreatments are listed below. Please indicate what types oforganisms you might enrich with that type of treatment and why, orhow and why that treatment might result in a different type ofgrowth rate or metabolic rate. (Possible organisms arelisted but not limited to: Oxygenic phototrophic microorganisms,Diatom, Cyanobacteria, Filamentous algae, Purple sulfur-oxidizingphototrophic bacteria, Green sulfur-oxidizing phototrophicbacteria, Aerobic heterotrophs, Fermenting bacteria,Sulfate-reducing bacteria...)
10mM Nitrate only:
100mM Nitrate only:
10mM Phosphate only:
100mM Phosphate only:
10mM Nitrate + Phosphate:
100mM Nitrate + Phosphate:
10mM Nitrate + Phosphate + 1mM DIC(bicarbonate):
100mM Nitrate + Phosphate + 6mM DIC(bicarbonate):

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4.3 Ratings (545 Votes)

Winogardsky column is a device that is used to culture a large diversity of microrganisms The top most layer will be that of Clostridium spp which will usr the cellulose as a source of energy and See Answer

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