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Describe a Biological Concept
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AP Biology
APB.001 Describe a Biological Concept
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A text states that certain soil bacteria convert atmospheric nitrogen gas into ammonia that plants can use. Which statement most accurately describes nitrogen fixation?
A
Nitrogen fixation converts ammonia into nitrate during nitrification.
B
Nitrogen fixation converts nitrate into atmospheric nitrogen during denitrification.
C
Nitrogen fixation converts N2 into biologically usable nitrogen compounds.
D
Nitrogen fixation is plant uptake of nitrate and incorporation into amino acids.
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