| 21. | How do the biogeochemical processes ( denitrification, for example ) that characterize this system work?
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| 22. | Many facultative anaerobes use denitrification because nitrate, like oxygen, has a high reduction potential.
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| 23. | Bacterioplankton play critical roles in global nitrogen fixation, nitrification, denitrification, remineralisation and methanogenesis.
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| 24. | A simple denitrification reaction proceeds as:
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| 25. | Aerobic denitrification tends to produce more nitrous oxide ( N 2 O ) than anaerobic denitrification.
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| 26. | Aerobic denitrification tends to produce more nitrous oxide ( N 2 O ) than anaerobic denitrification.
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| 27. | Any remaining ammonium in the environment can undergo nitrification and denitrification to yield nitrate and nitrite.
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| 28. | These processes lead to the ecologically important processes of denitrification, sulfate reduction and acetogenesis, respectively.
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| 29. | Denitrification and sulfate reduction occur in the deep ocean, where there is an absence of oxygen.
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| 30. | Nitric oxide reductase ( P450nor ) is a P450 enzyme involved in denitrification in several fungal species.
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