Summary:

  • Bean plants and other legumes can use the nitrogen in the air to grow.
  • It takes the help of special bacteria friends in the soil.
  • Nitrogen is one of the most common elements in living organisms.
  • It is important for creating both proteins and nucleic acids, like DNA.
  • The air that we breathe is mostly nitrogen gas (N2), but, unfortunately, animals and plants cannot use nitrogen when it is a gas.
  • In order for plants to make use of nitrogen, it must be transformed into molecules they can use.
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