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Gaokao Biology Practice Question

关于高中生物学实验的基本原理，叙述不正确的是

A.噬菌体须在活菌中增殖培养是因其缺乏独立的代谢系统
B.提取组织 DNA 是利用不同化合物在溶剂中溶解度的差异
C.成熟植物细胞在高渗溶液中发生质壁分离是因为细胞壁具有选择透（过）性
D.PCR呈指数扩增DNA片段是因为上一轮反应产物可作为下一轮反应模板

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