DarknessLightCircadian RhythmDark AdaptationPhotoperiodPhotoreceptor CellsAnxiety, SeparationImmunomagnetic SeparationCell SeparationChronobiology DisordersPineal GlandLightingSuprachiasmatic NucleusAdaptation, OcularPhotic StimulationElectrophoresis, CapillaryReflex, Vestibulo-OcularRetinaChromatography, High Pressure LiquidCavesMelatoninBiological ClocksPerchesMaternal DeprivationPhytochromePeriod Circadian ProteinsChlorophyllNystagmus, PhysiologicElectrophoresis, MicrochipVision, OcularTime FactorsDiuronEye MovementsRetinal Rod Photoreceptor CellsArabidopsisPhotosynthesisVestibule, LabyrinthRotationPlant LeavesHypocotylActivity CyclesCryptochromesRetinal Cone Photoreceptor CellsReflex, PupillaryOcular Physiological PhenomenaArabidopsis ProteinsCountercurrent DistributionGene Expression Regulation, PlantTemperaturePhotophobiaCircadian ClocksOrientationHead MovementsMolecular Sequence DataPhytochrome AUrodelaEcotypeMutationRod Cell Outer SegmentPupilAdaptation, PhysiologicalChromatography, LiquidPeriodicityHypocreaCharacidaePlant ProteinsMotor ActivitySeedlingAmbystomaKineticsPhotobiologyGravitationPhotosynthetic Reaction Center Complex ProteinsLight Signal TransductionPerciformesARNTL Transcription FactorsChromatography, Micellar Electrokinetic CapillaryOtolithic MembraneSpace PerceptionModels, BiologicalArylalkylamine N-AcetyltransferaseElectrophoresisGravity SensingChemical FractionationRetinal PigmentsBehavior, AnimalWaterCLOCK ProteinsBufo marinusPhotosystem II Protein ComplexPhytochrome BPlantsMass SpectrometryCyanobacteriaGerminationAmino Acid SequenceChromatography, Ion ExchangeCapillary ElectrochromatographyRhodopsinAcceleration