在顺浓度梯度的情况下�萄糖氨基酸等分子可以进入细胞当细胞外�萄糖或氨基酸的浓度低于细胞内时如果细胞需要它们仍能进入细胞关于此现象 Template




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tomski在顺浓度梯度的情况下�萄糖氨基酸等分子可以进入细胞当细胞外�萄糖或氨基酸的浓度低于细胞内时如果细胞需要它们仍能进入细胞关于此现象 coloring