人类基因组计划中基因测序工作是指测定：[ ] A．DNA的碱基对_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

人类基因组计划中基因测序工作是指测定：[ ]

A．DNA的碱基对排序

B．信使RNA碱基排序的

C．蛋白质的氨基酸排序

D．tRNA的碱基排序

答案

答案：A

补全对话，情景问答

问答句配对，将序号填在括号内。

(     ) 1. What time is it?
(   ) 2. Have you got a kite or a stamp?
( ) 3. Can I write to you?
( ) 4. How long is it?
( ) 5. Do you often play with dolls?

A. Of course. This is my new address.
B. It's 12 kilometres.
C. Not really.
D. It's ten to six.
E. I have got a stamp.

填空题

______是指能对计算机中所存放的大量数据进行管理和控制的一种系统软件。