DNA复制时，模板序 * * '-TAGA-3'，将合成下列哪种互补结构A．5'-TCTA

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问题单项选择题

DNA复制时，模板序 * * '-TAGA-3'，将合成下列哪种互补结构

A．5'-TCTA-3'
B．5'-ATCA-3'
C．5'-UCUA-3'
D．5'-GCGA-3'

答案

参考答案：A

填空题

写出下列句子中画线单词的反义词。

1. My father is tall. I am __________.

2. The panda is __________. The monkey is very thin.

3. The little girl is a good singer. The man is a __________ singer.

4. Danny sings loudly. Jenny sings __________.

5. We are the same. Dinosaurs and people are __________.

6. Turn on the radio. __________ the TV, please.

单项选择题 A1/A2型题

基因组在已知的动物基因组中最小的病毒是（）

A.HAV

B.HSV

C.HDV

D.HIV

E.HFRSV