title: Discussion to I. primary reactions of photoreception and comparison with photosynthesis.
mesh_terms: D001436:Bacteriorhodopsins / Q000502:physiology; D002736:Chloroplasts / Q000502:physiology; D004579:Electron Transport; D010084:Oxidation-Reduction; D010777:Photochemistry; D010786:Photoreceptor Cells / Q000502:physiology; D010788:Photosynthesis; D012243:Rhodopsin; D012545:Schiff Bases; D013059:Spectrum Analysis, Raman; D014785:Vision, Ocular
chemical_list: D012545:Schiff Bases; D001436:Bacteriorhodopsins; D012243:Rhodopsin