【判断题】启动子是 一段位于结构基因 5’ 端上游区的 DNA 序列。( )
【单选题】下列关于子对象的描述中,错误的是( )。
【简答题】What did Wilbur eat when he went to Fern’s home for the first time?
【单选题】The reason ____he had to look after his mother at hospital was not the one ____he gave to us.
【简答题】What did Mr. Zuckerman ask Lurvy to feed Wilbur?
【单选题】下列关于子对象的描述中,()是错误的
A.
子对象是类的一种数据成员,它是另一个类的对象
【简答题】Why did people fatten Wilbur up?
【判断题】启动子是位于结构基因5端上游的DNA序列能被RNA聚合酶识别并结合具有转录起始的特异性。
【单选题】When he just got off the plane, he gave us a good description of ______ in Africa.
【单选题】下列关于子对象的描述中,( )是错误的。
A.
子对象是类的一种数据成员,它是另一个类的对象