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【单选题】
Na + ―K + 泵是一种常见的ATP驱动泵(如图所示)，是在动物细胞的能量系统中起主要作用的载体，也是能催化ATP水解的酶。这种泵每消耗1分子的ATP，就逆浓度梯度将3分子的Na + 泵出细胞外，将2分子的K + 泵入细胞内。由此可知 [     ]
A.
该载体不一定能催化ATP水解，但一定能促进物质的运输
B.
Na + 通过Na + ―K + 泵的跨膜运输方式是主动运输，K + 通过Na + ―K + 泵的跨膜运输方式是协助扩散
C.
葡萄糖进入红细胞的方式与Na + 和K + 通过Na + ―K + 泵跨膜运输的方式相同
D.
Na + ―K + 泵对维持动物细胞的渗透压平衡起着非常重要的作用
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