title: Enzymatic studies in senescent rodent brains.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism*; D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000375:Aging; D000818:Animals; D001921:Brain / Q000201:enzymology* / Q000378:metabolism; D001923:Brain Chemistry; D004247:DNA / Q000378:metabolism; D009929:Organ Size; D011506:Proteins / Q000378:metabolism; D012313:RNA / Q000378:metabolism; D051381:Rats
chemical_list: D011506:Proteins; D012313:RNA; D004247:DNA; D000110:Acetylcholinesterase; D000251:Adenosine Triphosphatases