potassium channel的用法和样例：
例句
- Voltage-gated potassium channels regulate cell membrane potential and excitability in neurons.
电压门控性钾通道维持神经元静息膜电位，参与细胞兴奋性的改变。 - The phylogenetic tree of the potassium channel gene suggests that Muntiacus crinifrons is original, and the basal split separates Muntiacus and Elaphodus.
尤其当我们把钾通道蛋白基因的内含子单独构建进化树时，更能真实地反映麂亚科动物间的进化关系。
