【判断题】DNA半不连续复制是指复制时一条链的合成方向是5’到3’,另一条链的合成方向为3’到5’。
【简答题】We couldn't help when we heard the news that we were going to have a three-day holiday.
【判断题】DNA 半不连续复制是指复制时一条链的合成方向是 5’→3’ ,另一条链的合成方向为 3’ →5’
【判断题】DNA半不连续复制是复制时一条链的合成方向是5’—3’,另一条则是3’—5’。
【多选题】以下区分环己烯精品和粗品的方法,合理的是( )。
【判断题】DNA半不连续复制是指复制时一条链的合成方向是5'→3',而另一条链的合成方向为3'→5'。( )
【单选题】We couldn't help _____when we heard the hero's story.
【单选题】your help, we couldn't complete the work in time, I am afraid.
【单选题】We couldn't find the foreign boy anywhere. He____.