下列关于�学家探究“dna是遗传物质 实验的叙述正确的是a分别给小鼠注射r型活细菌和加热杀死的s型细菌小鼠均不死亡b用含35s标记的噬 Template




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tomski下列关于�学家探究“dna是遗传物质 实验的叙述正确的是a分别给小鼠注射r型活细菌和加热杀死的s型细菌小鼠均不死亡b用含35s标记的噬 coloring