title: Diurnal fluctuation in DNA content and DNA synthesis in the dorsal epidermis of Rana pipiens.
mesh_terms: D000818:Animals; D001001:Anura; D001415:Back; D002940:Circadian Rhythm; D004247:DNA / Q000096:biosynthesis / Q000378:metabolism*; D003624:Darkness; D005260:Female; D008027:Light; D008297:Male; D008660:Metabolism / Q000528:radiation effects; D010447:Peptide Hydrolases; D010507:Periodicity; D011506:Proteins / Q000032:analysis; D011830:Radiation Effects; D012737:Sex Factors; D012867:Skin / Q000378:metabolism* / Q000528:radiation effects; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D011506:Proteins; D014316:Tritium; D004247:DNA; D010447:Peptide Hydrolases; D013936:Thymidine