In the bacteria that carry this out, dissimilatory nitrate reduction can lead directly to the production of in these cells. A. amino acids and nucleotides. B. NO2- C. N2 D. NH3 E. None of the above.

D. NH3

Explanation:

The dissimilatory nitrate reduction is a process which is conducted by the anaerobic bacteria. In this process the nitrate is to reduce to the ammonia. This process is conducted by the bacteria or chemoorganoheterotrophic microbes. These organisms use nitrate as an electron acceptor for the respiration. These organisms organisms oxidize the organic matter and utilize the nitrate as an electron acceptor. The nitrate is further reduced to nitrite and then to ammonia. The ammonia can be found in the cells of these organisms.

b. the carbon cycle ensures living things have a source of hydrogen

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