title: Resistance of Tetrahymena to ricin, a toxic enzyme from Ricinus communis.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004351:Drug Resistance; D007700:Kinetics; D046911:Macromolecular Substances; D014176:Protein Biosynthesis / Q000187:drug effects; D012276:Ricin / Q000494:pharmacology*; D013769:Tetrahymena pyriformis / Q000187:drug effects / Q000254:growth & development*
chemical_list: D046911:Macromolecular Substances; D012276:Ricin