Cell/membrane/membrane transport/membrane transport protein/channels/open, close

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POINT!

narrated animation

Kchannel_open_close.jpg

When the potassium channel is open. potassium ions CAN pass through, but, when the channel is closed, the ions can NOT pass through.

Challenge Quiz

1.

Sodium (Na+) can pass through the sodium (Na+) channel when the channel is open closed .

2.

Potassium (K+) can pass through the potassium (K+) channel when the channel is open closed .