title: Selective use and loss of DNA during aging.
mesh_terms: D000375:Aging; D000818:Animals; D002454:Cell Differentiation; D002470:Cell Survival; D003062:Codon; D004247:DNA / Q000235:genetics* / Q000378:metabolism; D004285:Dogs; D005796:Genes; D006801:Humans; D008938:Mitosis; D012335:RNA, Ribosomal / Q000235:genetics
chemical_list: D003062:Codon; D012335:RNA, Ribosomal; D004247:DNA