title: Inactivation by ammonia of the photosynthetic reduction of nitrate in Nostoc muscorum particles.
mesh_terms: D000641:Ammonia / Q000494:pharmacology*; D001149:Arsenates / Q000494:pharmacology; D000458:Cyanobacteria / Q000187:drug effects / Q000378:metabolism*; D003624:Darkness; D004789:Enzyme Activation; D005288:Ferredoxins / Q000378:metabolism; D007700:Kinetics; D008027:Light; D008744:Methylamines / Q000494:pharmacology; D009565:Nitrate Reductases / Q000378:metabolism; D009566:Nitrates / Q000378:metabolism*; D010100:Oxygen; D010785:Photophosphorylation / Q000187:drug effects; D010788:Photosynthesis / Q000187:drug effects*
chemical_list: D001149:Arsenates; D005288:Ferredoxins; D008744:Methylamines; D009566:Nitrates; D000641:Ammonia; D009565:Nitrate Reductases; D010100:Oxygen