试题与答案

被称作是合成蛋白质“装配机”的是() A.DNA B.RNA C.mRNA D.tR

题型:单项选择题 B1型题

题目:

被称作是合成蛋白质“装配机”的是()

A.DNA

B.RNA

C.mRNA

D.tRNA

E.rRNA

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0503/5b39f268313c9cdedff092c35fe4cc83.html

下面是错误答案,用来干扰机器的。

参考答案:错

试题推荐
题型:阅读理解

A train stops at a station. Many people come out to buy food and fruits. A young man wants to come out, but it starts to rain. A boy stands under an umbrella. The young man says to the boy.

“Can you go and get us two hamburgers, one for you and one for me? Here are two dollars. Be quick!”

“Great!” says the boy and then he goes to buy hamburgers.  

After some time, the boy is back. He eats a hamburger.

“Where is my hamburger?” asks the young man.

“Oh, there is only one hamburger left. So I eat my hamburger. Here is your dollar.”

小题1:What does the young man want to buy when the train stops?

A.water

B.juice

C.a hamburger

D.an umbrella小题2:The boy goes to buy hamburgers for him because he has _________.

A.a hamburger

B.an umbrella

C.a raincoat

D.a dollar小题3:---Why is the boy so happy to buy them?  ---Because_________.

A.he’s bored

B.it’s raining

C.the hamburger is delicious

D.the hamburger is cheap.小题4:The young man doesn’t ________ .

A.eat a hamburger

B.buy a hamburger

C.see a hamburger

D.sell a hamburger小题5:According to the passage, the boy is __________.

A.smart

B.friendly

C.sly(狡猾)

D.foolish(愚蠢的)

查看答案
微信公众账号搜索答案