能同时断开DNA 链,并需高能辅助因子参与的酶是( ) A.剪接酶 B.核心酶 C 发布时间:2018-07-03 09:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 能同时断开DNA 链,并需高能辅助因子参与的酶是( )A.剪接酶B.核心酶C.旋转酶D.DNA连接酶E.DNA聚合酶Ⅰ
题型:单项选择题 ----- __________it be Li Ping who broke the glass?---- No. It __________ be Wu Dong who did it.A.Could; mayB.Can; mustC.May; mustD.Can; can 查看答案