细菌质粒分子上往往带有一个抗菌素抗性基因该抗性基因在基因工程中的主要作用是 A.提高受体细胞在自然环境中的耐药性 B.有利于对目的基因是否导 Template




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tomski细菌质粒分子上往往带有一个抗菌素抗性基因该抗性基因在基因工程中的主要作用是 a.提高受体细胞在自然环境中的耐药性 b.有利于对目的基因是否导 coloring