title: Studies on the photopigment system in Phycomyces.
mesh_terms: D002474:Cell-Free System; D003624:Darkness; D005470:Fluorometry; D005658:Fungi / Q000528:radiation effects*; D005827:Genetics, Microbial; D008027:Light; D009154:Mutation; D010786:Photoreceptor Cells; D010860:Pigments, Biological / Q000302:isolation & purification*; D011830:Radiation Effects; D013053:Spectrophotometry; D013172:Spores, Fungal; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D010860:Pigments, Biological