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What molecules in the cell membrane help move molecules from a low to a high concentration gradient?
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What molecules in the cell membrane help move molecules from a low to a high concentration gradient?

User DavidAWalsh
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Answer:

In simple diffusion, small noncharged molecules or lipid soluble molecules pass between the phospholipids to enter or leave the cell, moving from areas of high concentration to areas of low concentration (they move down their concentration gradient).

Step-by-step explanation:

User Sonicbabbler
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