下列关于癌细胞的叙述,错误的是( )    A. 癌细胞具有无限增

下列关于癌细胞的叙述,错误的是(  )

    A 癌细胞具有无限增殖的能力             B 细胞癌变其形态结构改变

    C 癌细胞的转移与细胞间黏着性下降有关   D 原癌基因只存在于癌细胞中

答案

D

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