植物细胞膜对某种物质的运输方�如图中箭头所示�点的数量表示某物质的浓度该物质能是 A.叶绿素 b.生长素 C.脂肪酸 D.纤维素——青夏 Template




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tomski植物细胞膜对某种物质的运输方�如图中箭头所示�点的数量表示某物质的浓度该物质能是 a.叶绿素 b.生长素 coloring