小余同学在观察洋�外表皮细胞处于清水中的状态时�现细胞紫色部分并未紧贴细胞壁在两者之间有一层透明部分是 a细胞膜b细胞核c液泡d Template




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tomski小余同学在观察洋�外表皮细胞处于清水中的状态时�现细胞紫色部分并未紧贴细胞壁在两者之间有一层透明部分是 a细胞膜b细胞核c液泡d coloring