Finally, DNA ligase newly synthesized DNA chain and the original links.最后DNA连接酶将新合成的DNA链与原来的链接上.Methods: The restriction endonuclease and T 4 DNA ligase were used to construct the vector plasmid.方法载体的构建采用限制性内切酶酶切、4DNA连接酶...
...a food reserve large enough to feed the Sudanese population for many months.足够苏丹人吃好多个月的食物储备Do you know how many pencils I could buy Sudanese school children?你知道我能为苏丹的孩子们买多少铅笔 吗 ?...the southern Sudanese town of Juba.苏...
...the person manning the phone at the complaints department...投诉部的接线生The main complaints were irregular bleeding , amenorrhoea and prolonged bleeding.主诉主要是不规则出血 、 闭经、经期延长.There is a set procedure for making formal compl...