What is Fixed Nitrogen or Nitrogen Fixation?
Helmenstine, A. (2018, February 15). What is Fixed Nitrogen or Nitrogen Fixation? ThoughtCo. https://www.thoughtco.com/fixed-nitrogen-and-nitrogen-fixation-608591
Living organisms need nitrogen to form nucleic acids, proteins, and other molecules. However, the nitrogen gas, N2, in the atmosphere is unavailable for use by most organisms because of the difficulty breaking the triple bond between nitrogen atoms. Nitrogen has to be 'fixed' or bound into another form for animals and plants to use it. Here is a look at what fixed nitrogen is and an explanation of different fixation processes. To continue reading, follow the link above.