Your research group is interested in studying a bacterium known to associate with the roots of soybean plants.When the bacterium is present, the plants grow taller and produce higher yields.Choose the experimental setup that would provide an explanation for this observed phenomenon. A) Incubate the bacterium with nitrate, and observe whether atmospheric N₂ is released. B) Incubate the bacterium in a solution bubbled with N₂ gas, and observe whether NH₄⁺ accumulates in solution. C) Incubate the bacterium with ammonia, and observe whether nitrate forms. D) Incubate the bacterium with nitrite ions, and observe whether nitrate forms. E) Incubate the bacterium with ammonia, and observe whether atmospheric N₂ is released.

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The Answer of Your research group is interested in studying a bacterium known to associate with the roots of soybean plants.When the bacterium is present, the plants grow taller and produce higher yields.Choose the experimental setup that would provide an explanation for this observed phenomenon. A) Incubate the bacterium with nitrate, and observe whether atmospheric N₂ is released. B) Incubate the bacterium in a solution bubbled with N₂ gas, and observe whether NH₄⁺ accumulates in solution. C) Incubate the bacterium with ammonia, and observe whether nitrate forms. D) Incubate the bacterium with nitrite ions, and observe whether nitrate forms. E) Incubate the bacterium with ammonia, and observe whether atmospheric N₂ is released.

Your Research Group Is Interested in Studying a Bacterium Known