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Bacteria able to perform the NH4+ + NO2- → N2 + 2H2O reaction have been discovered in laboratory ...

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Bacteria able to perform the NH4+ + NO2- → N2 + 2H2O reaction have been discovered in laboratory ...

Bacteria able to perform the NH4+ + NO2- → N2 + 2H2O reaction have been discovered in laboratory bioreactors and wastewater treatment systems. Researchers predicted that these bacteria should exist in oceans. They measured the concentration of NH4+, NO2-, NO3-, and O2 in the Black Sea as a function of water depth (M. Kuypers et al. 2003 Anaerobic ammonium oxidation by anammox bacteria in the Black Sea. Nature 422:608-11) to determine where in the sea the bacteria might live. Analyzing data presented in Figure 28.1 above, at what depth would you expect to find the bacteria? (Note: In the figure, different scales are used to show concentrations of NH4+, NO2-, NO3-, and O2.)
A) in the top 5 meters
B) in the top 50 meters
C) at a depth of 75 meters
D) at a depth of 92 meters
E) below 100 meters

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Biological Science, Canadian Edition

Edition: 2^nd

Authors: Freeman, Shar, Harrington

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dracko Author

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6 years ago

Thank you, thank you, thank you!

mikey3091

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I appreciate what you did here, answered it right Smiling Face with Open Mouth

fxinternational

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Correct

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