大学MOOC 基因工程与分子生物学(集美大学)1463649163 最新慕课完整章节测试答案
第四章目的基因从哪来？
第四章文库、PCR测试题
1、单选题：
用碱法分离质粒DNA时，染色体DNA之所以可以被除去，是因为：
选项：
A: 染色体DNA断成了碎片
B: 染色体DNA分子量大，而不能释放
C: 染色体变性后来不及复性
D: 染色体未同蛋白质分开而沉淀
答案: 【 染色体变性后来不及复性】
2、单选题：
Which of the following would be considered a transgenic organism?
选项：
A: a bacterium that has received genes via conjugation
B: a human given a corrected human blood-clotting gene
C: a fern grown in cell culture from a single fern root cell
D: a rat with rabbit hemoglobin genes
答案: 【 a rat with rabbit hemoglobin genes】
3、单选题：
重组DNA的筛选与鉴定不包括哪一方法
选项：
A: 限制酶酶切图谱鉴定
B: PCR扩增鉴定
C: 显微注射
D: 蓝白筛选
答案: 【 显微注射】
4、单选题：
"Golden rice" was created by
选项：
A: manipulating the genome of a commonly-grown agricultural species of plant.
B: introduction of DNA from both prokaryotes （原核生物）and other eukaryotes （真核生物）not closely related to the rice plant.
C: a public facility, and distributed without commercial restraints.
D: None of the above.
答案: 【 None of the above.】
5、单选题：
In the polymerase chain reaction (PCR), the sequence of bases in the primers is important because it
选项：
A: d