50. 植物体细胞杂交与动物细胞工程中所用技术与原理不相符的是
A. 纤维素酶、果胶酶处理和胰蛋白酶处理--酶的专一性
B. 植物组织培养和动物细胞培养--细胞的全能性
c. 原生质体融合和动物细胞融合--生物膜的流动性
D. 紫草细胞培养和杂交瘤细胞的培养--细胞分裂
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第Ⅱ卷(非选择题共50分)