Do you change the channel a lot?

你会一直换频道吗？

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That change happens because something gets triggered in the membrane, and what gets triggered is a voltage gated sodium channel, which is shown here.

变化的原因是膜上某些东西被触发了,被触发的是钠离子电压门控通道,展示在这儿了

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It would generate an electrical signal because it would - you'd open the ion channel and you would ion fluxes and you would change the membrane potential in just the way I described for the action potential.

它会产生一个电信号,因为--,离子通道会打开,产生离子流,膜电位会改变,像我讲动作电位时那样

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