liver nuclei of sprague-dawley rats fed a high carbohydrate , fat-free diet ( diet 1 ) , a low carbohydrate , protein-free diet ( diet 2 ) , or a commercial stock diet were purified and mildly incubated with micrococcal nuclease ( mn ) ( ec 3.1.4.7 ) until 5-6 % of the chromatin was acid-soluble .
C0007610
nuclei
C0008546
chromatin