Nutrient Cycle Definitions 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelCCEA Created by: stressystudentCreated on: 01-04-22 12:39 Deamination when excess amino acids are broken down to make nitrogen-containing urea (takes place in the liver w/ the removal of the amino group, rest of mol is used in respiration) 1 of 5 Obligate anaerobe a bacteria that requires the absence of oxygen to survive 2 of 5 Nitrogen-fixation The chemical process by which atmospheric nitrogen is assimilated into organic compounds 3 of 5 Nitrification The process by which nitrifying bacteria use oxygen to change compounds of nitrogen into nitrates 4 of 5 Denitrification The reduction of nitrates into atmospheric nitrogen by denitrifying bacteria 5 of 5
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