题目内容
真核生物中起始氨基酸－tRNA是( )
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核糖体上存在三个与先安tRNA结合位点及( )位点、()位点和( )位点
许多氨基酸都有多个密码子，除了( )只有一个密码子之外，其余都有一个密码只以上。
翻译过程中需要哪四种组分？他们的功能是什么？
listen and fill in the missing blanks.[音频]I (1)____________________ to come here on my first visit to your beautiful city. (2)______________________ all the members of my (3)_________________, I would like to take this opportunity to express our (4)_______________ thanks to our host for their earnest invitation and (5)__________________________ we have received since we set foot on this (6)_______________ land. I am also very happy that this visit has given me an excellent opportunity to (7)________________ to you and to the people of Shanghai warm (8)_____________ and sincere good wishes of the government and people of my country. Although we live with a (9)_______________ of thousands of miles between us, "Long distance separates no (11)_____________ friends,"as one of your Tang poets said.
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