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Anaerobic Respiration: Fermentation http://www.italiantourism.com/foodwine.html http://www.communitymade.com/products/abundant-dawn-whole-wheat-sesame-cmty.html http://www.avalonwine.com/bandon-smoked-cheddar-150p.jpg http://www.utoronto.ca/greenblattlab/yeast.htm Anaerobic metabolism Obligate Anaerobes • restricted to anaerobic environments • do not utilize oxygen in metabolism • actually poisoned by oxygen • examples include many primitive bacteria Facultative anaerobes • can switch to aerobic metabolism if there is enough oxygen present. • Why would they want to switch??? Anaerobic Respiration: Fermentation Glycolysis + Clean up Anaerobic Metabolism Fermentation in animal cells… Lactic Acid Fermentation Only 2 ATP per glucose Anaerobic Metabolism Fermentation in plants, yeast… Again…only 2 ATP per glucose
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