title: Polyteny and salivary gland secretion in the melon fly, dacus cucurbitae.
mesh_terms: D000818:Animals; D002875:Chromosomes; D003593:Cytoplasm; D004175:Diptera / Q000502:physiology*; D007814:Larva / Q000502:physiology; D012313:RNA / Q000096:biosynthesis*; D012469:Salivary Glands / Q000166:cytology / Q000378:metabolism*
chemical_list: D012313:RNA