下图是将人的生长激素基因导入细菌 B 细胞内制造“工程菌”的示意图。已知细菌 B 细胞内不含质粒 A ,也不含质粒 A 上的基因。判断下列说法正确的是( )
A.
将重组质粒导入细菌 B 常用的方法是显微注射法
B.
将完成导入过程后的细菌涂布在含有氨苄青霉素的培养基上,能生长的只是导入了重组质粒的细菌
C.
将完成导入过程后的细菌涂布在含有四环素的培养基上,能生长的就是导入了质粒 A 的细菌
D.
目的基因成功表达的标志是受体细胞能在含有氨苄青霉素的培养基上生长
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举一反三
【单选题】Read the following situation and choose the appropriate answer. Situation: An American invited a group of Japanese students over to his house. He and his wife had spent a great deal of time preparing ...
A.
The Americans must have done something that offended the Japanese.
B.
The Japanese were not having a good time.
C.
Japanese usually leave as a group and try not to stay too long So as not to offend their host.
【简答题】Read the following situation and explain the questions. Situation: An American invited a group of Japanese students over to his house. He and his wife had spent a great deal of time preparing food and...