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The phospholipid bilayer.

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Beulah Skiles

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2y ago
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Wiki User

11y ago

cell membrane

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12y ago

The cell wall keeps harmful substances from entering the cell. If a cell decides that a material is not harmful it will open it's cell wall. Otherwise, it keeps bad things out most of the time. It uses this same process to let things out of the cell.

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11y ago

the cell

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Anonymous

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3y ago

The cell membrane

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Anonymous

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3y ago
don't worry I got you

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Q: Which portion of the cell membrane is responsible for preventing unwanted material from entering the cell?
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Related questions

What cell organelle is responsible for allowing nutrients and water in and out of the cell?

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