PhototropismPhycomycesPhototropinsGravitropismHypocotylLightCryptochromesPhytochrome APhotoreceptors, PlantFlavoproteinsIndoleacetic AcidsCotyledonPhytochromeArabidopsis ProteinsDarknessArabidopsisPhotoreceptor Cells, InvertebrateSeedlingPhytochrome BAvena sativaPhotoreceptor CellsColorPlant RootsFlavin MononucleotidePlant Stems