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Why are bacteria needed in the nitrogen cycle?
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Why are bacteria needed in the nitrogen cycle?

User Murilo
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Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to nitrogen gas.

User Newnab
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