title: Effects of N-nitrosoethylurea on the appearance of unstable pigment mutants of Chlamydomonas and Chlorella.
mesh_terms: D002696:Chlamydomonas / Q000187:drug effects*; D002708:Chlorella / Q000187:drug effects*; D009030:Mosaicism; D009154:Mutation; D009607:Nitrosourea Compounds / Q000494:pharmacology*; D010858:Pigmentation / Q000187:drug effects*
chemical_list: D009607:Nitrosourea Compounds