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avaaaaa avaaaaa
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6 years ago
The nitrogen-fixing enzyme system, nitrogenase, is found exclusively in
 a. plants
  b. bacteria
  c. some viruses
  d. eukaryotic organisms
  e. mammals
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jacobhollyyjacobhollyy
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6 years ago
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avaaaaa Author
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6 years ago
this is exactly what I needed
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Brilliant
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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