在植物细胞结构中控制细胞与外界环境之间不断进行物质交换的结构是 A.细胞壁 b.细胞膜 c.细胞质 D.细胞核——青夏教育精英家教�—— Template




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tomski在植物细胞结构中控制细胞与外界环境之间不断进行物质交换的结构是 a.细胞壁 b.细胞膜 coloring