原核生物复制过程中起稳定已解开单链作用的是() A.引物酶 B.连接酶 C.解螺旋酶 发布时间:2017-07-12 08:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: 原核生物复制过程中起稳定已解开单链作用的是()A.引物酶B.连接酶C.解螺旋酶D.单链DNA结合蛋白
题型:单项选择题 改错。(在原句画线并改正错误)1. Although he is very old, but he still exercises every day.2. Because he is helpful, so he often helps others.______________ 查看答案