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20.下列為生物膜的運輸作用相關敘述,何者正確?(甲)大部分水通過細胞膜是靠通道蛋白。(乙)濃度梯度是促進性擴散的先決條件,需耗能。(丙)離子通道蛋白與被運輸的分子間具有專一性。(丁)葡萄糖靠脂質攜帶
問題詳情
20.下列為生物膜的運輸作用相關敘述,何者正確?(甲)大部分水通過細胞膜是靠通道蛋白。(乙)濃度梯度是促進性擴散的先決條件,需耗能。(丙)離子通道蛋白與被運輸的分子間具有專一性。(丁)葡萄糖靠脂質攜帶進入胞內 。
(A)甲乙
(B)乙丙
(C)丙丁
(D)甲丙。
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(1),D(1),E(0)
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