以下哪种酶或蛋白质与DNA复制过程中的DNA解链无关
A.解链酶 B.拓扑异构酶C.连接酶 D.单链DNA结合蛋白
参考答案:C
打印机墨盒属于()
A.可降解垃圾
B.可回收垃圾
C.有害垃圾
D.其他垃圾
The boy ______ a piece of waste paper, and put it into the rubbish bag.
A.picked up
B.threw away
C.looked for
D.handed in