关于转录和翻译的叙述，正确的是_刷题宝

题干

关于转录和翻译的叙述，正确的是（　　）

A：RNA聚合酶能与信使RNA的特定位点结合，催化转录

B：不同密码子编码同种氨基酸可保证翻译的速度

C：真核细胞的转录主要在细胞核内进行，翻译主要在细胞质基质中进行

D：转录时的碱基互补配对类型有4种，翻译时有3种

上一题下一题 0.0难度选择题更新时间:2019-12-03 09:57:10

答案(点此获取答案解析）

B

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                               Visit Forest Zoo
Come and see the Indian elephants and the new tigers from Northeast of China. The beautiful birds from England are ready to sing songs for you, and the monkeys from Mount Emei will be happy to talk to you. The lovely dogs from Australia want to laugh at you. Sichuan pandas will play balls for you. The giraffes from Africa are waiting to look down on you.
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Grown-up (成人): ￥3                    9:00 a.m.--- 4:00 p.m.
Children: Over（高于）1.4m: ￥2          except（除了） Friday：
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Do not touch(触摸), give food or go near to the animals.

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