题目内容

催化真核生物转录生成mRNA的聚合酶是

A. 内含子
B. 多顺反子
C. RNA聚合酶Ⅱ
D. 原核RNA聚合酶口
E. 多聚A聚合酶

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What he will do is ______ a work contract with the company.

A. do
B. make
C. let
D. show

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According to the man which one is NOT the possible factor of success

A. Patience is necessary.
B. We should be blessed with luck.
C. Hard working.
D. A good understanding of the teamwork spirit.

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In support of the unusual warm clothes some people wear, what can we infer from such a phenomenon

A. They are in poor health condition.
B. They may want to attract others' attention.
C. They may be homesick or feel insecure.
D. They have a poor taste in dressing.

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原核生物多肽合成的延长阶段需要将氨基酰-tRNA带人核糖体A位，与mRNA密码识别，参与这一作用的延长因子成分应为

A. EFTu-GTP
B. EFTs
C. EFTu-GDP
D. EFTG
EFTs-GTP

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催化真核生物转录生成mRNA的聚合酶是

A. 内含子 B. 多顺反子 C. RNA聚合酶Ⅱ D. 原核RNA聚合酶口 E. 多聚A聚合酶

What he will do is ______ a work contract with the company.

According to the man which one is NOT the possible factor of success

In support of the unusual warm clothes some people wear, what can we infer from such a phenomenon

原核生物多肽合成的延长阶段需要将氨基酰-tRNA带人核糖体A位，与mRNA密码识别，参与这一作用的延长因子成分应为

A. 内含子
B. 多顺反子
C. RNA聚合酶Ⅱ
D. 原核RNA聚合酶口
E. 多聚A聚合酶