When you don't understand what the guest says and ask the guest to repeat you may say
A. Pardon, please. I'm afraid I didn't follow you.
B. Would you mind repeating a little more slowly?
C. I beg your pardon?
D. Would you mind using simpler words?
查看答案
合成RNA的原料是:
A. NMP
B. NDP
C. NTP
D. dNTP
E. dNDP
关于转录的叙述错误的是:
A. DNA的两条链都可作为模板进行转录
B. DNA只有一条链可作为模板进行转录
C. 转录不需要引物
D. 转录方式为不对称转录
E. 需要RNApol催化
转录的模板链是:
A. 基因组DNA中的一条链
B. 前导链
C. 编码链
DNA的两条链
E. 基因DNA中的一条链