题目内容

真核生物与原核生物比较,翻译的差别之一是

A. 使用不同的密码子
B. 使用不同的氨基酸进行起始
C. 起始氨基酸不需要修饰
D. 起始密码子不在开放读码框内

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原核生物翻译系统中有3种释放因子,真核细胞中有几种

A. 1
B. 3
C. 5
D. 7

Getting the MessageChoose the best answer from the four choices marked A, B, C, and D according to the text.From Paragraph 1 we know that the author___.

The author enjoys exercising because___.

The text mentions there are many false ideas about fat people in society. Which of the following is NOT one of these false ideas?

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