下列哪一项不是作为系统的边界 细胞膜在细胞生�活动中的作用 A.将细胞与外界环境分开b.控制细胞的代谢和遗传c.控制物质进出细胞d Template




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tomski下列哪一项不是作为系统的边界 细胞膜在细胞生�活动中的作用 a.将细胞与外界环境分开b.控制细胞的代谢和遗传c.控制物质进出细胞d coloring