title: Reaction centre carotenoid band shifts.
mesh_terms: D002338:Carotenoids / Q000378:metabolism; D003624:Darkness; D005292:Ferricyanides / Q000494:pharmacology; D008027:Light; D009154:Mutation; D012242:Rhodobacter sphaeroides / Q000378:metabolism; D013045:Species Specificity; D013053:Spectrophotometry
chemical_list: D005292:Ferricyanides; D002338:Carotenoids