title: Special aspects of nitrogen fixation by blue-green algae.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D002245:Carbon Dioxide / Q000378:metabolism; D002247:Carbon Isotopes; D056890:Eukaryota / Q000378:metabolism*; D008027:Light; D008365:Manometry; D008722:Methods; D009584:Nitrogen; D009586:Nitrogen Fixation / Q000528:radiation effects; D011773:Pyruvates / Q000494:pharmacology; D011868:Radioisotopes; D014508:Urea / Q000494:pharmacology
chemical_list: D002247:Carbon Isotopes; D011773:Pyruvates; D011868:Radioisotopes; D002245:Carbon Dioxide; D014508:Urea; D009584:Nitrogen; D000114:Acetylene