title: Heterocyst formation and nitrogenase synthesis in Anabaena sp. A kinetic study.
mesh_terms: D001128:Argon; D000458:Cyanobacteria / Q000201:enzymology*; D005288:Ferredoxins; D007700:Kinetics; D009584:Nitrogen / Q000494:pharmacology; D009586:Nitrogen Fixation; D010088:Oxidoreductases / Q000096:biosynthesis*; D014466:Ultraviolet Rays
chemical_list: D005288:Ferredoxins; D001128:Argon; D010088:Oxidoreductases; D009584:Nitrogen