问题
单项选择题
下列关于DNA分子的复制、转录和翻译的比较,正确的是()
A.从时期上看,都只能发生在细胞分裂的间期
B.从条件上看,都需要模板、原料、酶和能量
C.从原则上看,都遵循相同的碱基互补配对原则
D.从场所上看,都能发生在细胞核中
答案
参考答案:B
下列关于DNA分子的复制、转录和翻译的比较,正确的是()
A.从时期上看,都只能发生在细胞分裂的间期
B.从条件上看,都需要模板、原料、酶和能量
C.从原则上看,都遵循相同的碱基互补配对原则
D.从场所上看,都能发生在细胞核中
参考答案:B
Many people like watching TV. TV is of the most important activities of the day. TV brings the outside world to people’s homes. Some people say the world is smaller than because of TV. Perhaps they are right. What’s going on in other countries? How people live in far-away places? there a good sports game somewhere?What’s life like in the deepest part of the sea? If you want to out these and other kinds of questions, just turn on your TV. Turn it on and watch. You can see a lot and you can learn a lot. Of course people can also learn through reading or learning the radio. But they can learn better and more easily. Why? Because they can hear and watch, too. TV helps to open our eyes. TV also helps to open our minds. TV often gives news ideas. We learn newer and better ways of doing things. TV is a wonderful thing. How can we make better use it?
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