比较基因学告诉我们钠通道和泵蛋白的演变进化是在多细胞动物崛起之前就发生了的。同时这也暗示说明点解平衡的控制在生命历程中是一个起着决定性作用的过程。

Comparative genomics shows that sodium channel and pump proteins evolved just before multicellular animals arose, implying that control of electrolyte balancing was a crucial event in life's history.

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