问题
问答题
试述真核生物hnRNA的加工过程。
答案
参考答案：
①5´戴帽，3´加尾
②内含子剪接
③核苷酸修饰
④RNA编辑
搜题请搜索小程序“爱下问搜题”
试述真核生物hnRNA的加工过程。
参考答案：
①5´戴帽，3´加尾
②内含子剪接
③核苷酸修饰
④RNA编辑
完形填空（共20小题，每小题1分，满分20分） 阅读下面短文，从短文后所给的四个选项A、B、C、D中，选出可以填入空白处的最佳答案，并在答题卡上将该项涂黑。 I went to Beijing this National holiday, and it was an interesting experience of my life. My friends told us the taking the “hard 31 ” to Beijing would be really terrible. So we didn’t know what to 32 . But we were pleasantly surprised when we finally boarded the 33 , which was relatively modern and 34 . During the 14-hour ride we ate peanuts and talked. It was not 35 at all. It was morning when we arrived. We stepped out of the railway station, having sat in hard seats and not getting much 36 . However, we had energy. First we tried to get return tickets to Shanghai, but the ticket seller 37 us that tickets would not be on 38 for another two days. We were a little worried about getting 39 , but we made up our minds to 40 for the hotel to put our bags down. After 41 our way past the “gypsy” taxi drivers that tried to 42 us 100 yuan for the ride, we found a taxi and it 43 cost us 30 yuan to get 44 we had planned to go. When we reached the hotel, there was a 45 for airplane and train tickets. Somehow the man behind the counter could get tickets that day, which we 46 . The most important lesson about China I ever 47 is to get someone to do your work for you, and it seems to work out much 48 . We were not able to get tickets, but the travel agents could. While in Beijing we saw a lot of places of 49 , most of which were very 50 . It was fun to be with thousands of people in one place. There aren’t any words to describe it.
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