A 将Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_1.gif">移入膜内,将K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_2.gif">移出膜外 B
细胞内高K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_3.gif">保证许多细胞代谢反应进行 C
建立势能储备,为某些营养物质吸收创造条件 D
细胞外高Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_4.gif">可维持细胞内外正常渗透压 E
Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_5.gif">泵活动使膜内外Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_6.gif">、K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13153427_0_7.gif">呈不均匀分布