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高二生物章节14.1-14.3

Authored by CHOY EN

Biology

10th - 12th Grade

Used 37+ times

高二生物章节14.1-14.3
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15 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

艾弗雷等人使用了哪三种酶处理加热杀死的S型细菌?

DNA聚合酶

RNA酶

DNA酶

蛋白酶

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

请问哪位科学家在1953年提出了DNA双螺旋结构模型?

赫尔希 (Hershey) 和蔡斯(Chase)

罗萨琳德 富兰克林 (Rosalind Franklin)

沃森(James Watson) 和克里克(Francis Crick)

格里菲斯(Griffith)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1952年,赫尔希(Hershey)和蔡斯(Chase)用放射性同位素____和____来标记噬菌体的蛋白质和DNA,证实了DNA是遗传物质。

35S ......32P

32P.......35S

18F........32P

18F........35S

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

根据碱基互补配对原则,A与T通过____氢键相连配对,G与C通过______氢键相连配对。

四个。。。三个

一个。。。两个

三个。。。两个

两个。。。三个

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一种不属于DNA的碱基?

尿嘧啶 (U)

胸腺嘧啶 (T)

胞嘧啶 (C)

鸟嘌呤 (G)

腺嘌呤 (A)

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

某个DNA分子中有鸟嘌呤(G)26%,在此DNA分子中腺嘌呤(A)占多少?

52

48

26

24

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

DNA经过3次复制后,子代DNA分子数量是____。

8

12

16

32

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