Micrococcal nuclease treatment indicates that the remodeling of the demembranated sperm chromatin has occurred and the structure of nucleosome is formed during nuclear reconstitution.

同时，利用小球菌核糖核酸酶处理的结果表，精子在此非细胞体系中发生了结构改并且在重过程中形成了核小体结构。

Milk powder was used as raw material, through the process of reconstitution, pasteurization, inoculation ,fermentation, etc, the casein of the milk was transformed into curd by lactics.

为原料,经复水、杀菌、接种等工序,利用乳酸菌对乳液进行发酵,使乳中酪蛋白凝固,并确定最佳发酵工艺。