Photoreduction of cytochrome b 559  in a photosystem-II subchloroplast particle.
D000693:Anaerobiosis; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002736:Chloroplasts / Q000187:drug effects / Q000378:metabolism / Q000528:radiation effects*; D003080:Cold Temperature; D003580:Cytochromes / Q000378:metabolism / Q000528:radiation effects*; D003624:Darkness; D004237:Diuron / Q000494:pharmacology; D004579:Electron Transport; D006835:Hydrazones / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D008027:Light; D008566:Membranes / Q000187:drug effects / Q000378:metabolism / Q000528:radiation effects; D009570:Nitriles / Q000494:pharmacology; D010084:Oxidation-Reduction; D010659:Phenylhydrazines / Q000494:pharmacology; D010944:Plants; D011830:Radiation Effects; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry
D003580:Cytochromes; D006835:Hydrazones; D009570:Nitriles; D010659:Phenylhydrazines; D004237:Diuron