皮皮学，免费搜题
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搜题
【多选题】
载体蛋白帮助的扩散
A.
与所转运的物质之间没有严格的结构特异性
B.
依赖ATP酶,扩散才能进行
C.
扩散也有限度,有饱和现象
D.
竞争性抑制现象
E.
载体蛋白在运输中被消耗
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【简答题】阅读理解 There were smiling children all the way.Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and chee...
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