关于基因工程的叙述正确的是 A.基因工程经常以抗菌素抗性基因为目的基因b.细菌中的质粒是基因工程常用的运载体c.通常用一种限制性核酸内切 Template




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tomski关于基因工程的叙述正确的是 a.基因工程经常以抗菌素抗性基因为目的基因b.细菌中的质粒是基因工程常用的运载体c.通常用一种限制性核酸内切 coloring