「Nervous system/overview of neurons/Channels/diffusion of ions/K+ channel and membrane potential」の版間の差分
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[[ファイル:diffusion2potential.jpg|alt=diffusion2potential.jpg|left|400px]] | [[ファイル:diffusion2potential.jpg|alt=diffusion2potential.jpg|left|400px]] | ||
When the potassium channel opens and potassium ions diffuse OUT of the cell, the intracellular potential becomes negative, because the potassium ions are electrically positive. | When the potassium channel opens and potassium ions diffuse OUT of the cell, the intracellular potential becomes negative, because the potassium ions are electrically positive. | ||
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2015年4月23日 (木) 04:44時点における版
POINT!
| When the potassium (K+) channel is open, intracellular potential becomes negative. |
video: Flash（Win, Mac） / MP4（iPad）
When the potassium channel opens and potassium ions diffuse OUT of the cell, the intracellular potential becomes negative, because the potassium ions are electrically positive.
Challenge Quiz
1.
When the potassium (K+) channel is open, intracellular membrane potential becomes negative positive .