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The cell is taking in substances through membrane proteins, without any energy expenditure of its own. The substances naturally follow their concentration gradient. However, they must go through the protein channels, because they are too large to squeeze through the cell membrane. This process is called
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The cell is taking in substances through membrane proteins, without any energy expenditure of its own. The substances naturally follow their concentration gradient. However, they must go through the protein channels, because they are too large to squeeze through the cell membrane. This process is called facilitated diffusion.
Expert answered|pathwise|Points 945|
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Asked 2/26/2012 11:32:12 AM
Updated 244 days ago|1/20/2020 1:27:48 PM
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This answer has been confirmed as correct and helpful.
Edited by Masamune [1/20/2020 1:27:45 PM], Confirmed by Masamune [1/20/2020 1:27:47 PM]
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