Photosynthetic Reaction Center Complex ProteinsRhodobacter sphaeroidesPheophytinsQuinonesElectron TransportBacteriochlorophyllsRhodopseudomonasLight-Harvesting Protein ComplexesUbiquinoneDimethylaminesPhotosystem II Protein ComplexPhotosynthesisChlorophyllBenzoquinonesLightSpectrum AnalysisPhotochemistryRhodobacter capsulatusOxidation-ReductionProtonsModels, MolecularElectron Spin Resonance SpectroscopyKineticsHydrogen BondingModels, ChemicalCrystallography, X-RayPhotosystem I Protein ComplexProtein ConformationBinding SitesMutationCytochromes c2Bacterial ChromatophoresChlorobiCyanobacteriaSpinacia oleraceaEnergy TransferThylakoidsDiuronSpectrophotometryElectronsChloroplastsBacterial ProteinsPlastoquinoneRhodobacterProteobacteriaPigments, BiologicalRhodospirillaceaeChlamydomonas reinhardtiiRhodospirillum rubrumChlorobiumSynechocystisDarknessCytochrome c GroupPlantsPlant ProteinsCarotenoidsBacteriochlorophyll AElectrochemistryHerbicidesPhycobilisomesHyphomicrobiaceaeThermodynamicsMolecular Sequence DataCytochrome b GroupOxygenFluorescenceAmino Acid SequenceCytochromesChromatiumSpectrophotometry, InfraredChenopodiaceaeSpectrometry, FluorescenceTemperatureGerminal CenterMutagenesis, Site-DirectedPhotochemical ProcessesRhodospirillumVitamin K 1Iron-Sulfur ProteinsChlamydomonasDetergentsSynechococcusElectron Transport Complex IIIChild Day Care CentersPhotophosphorylationSinglet OxygenChlorophytaStatic ElectricityQuantum TheoryTime Factors