Evolution of asymbiotic nitrogen fixation.
D000114:Acetylene / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism; D000641:Ammonia / Q000378:metabolism; D000693:Anaerobiosis; D001395:Azotobacter / Q000378:metabolism; D005075:Biological Evolution; D003013:Clostridium / Q000378:metabolism; D003486:Cyanides / Q000378:metabolism; D000458:Cyanobacteria / Q000378:metabolism; D009570:Nitriles / Q000378:metabolism; D009586:Nitrogen Fixation; D010088:Oxidoreductases / Q000378:metabolism
D003486:Cyanides; D009570:Nitriles; D000641:Ammonia; D000255:Adenosine Triphosphate; D010088:Oxidoreductases; D000114:Acetylene