Cell biology Lecture slides · 24 pages
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Benky Cell biology Why does a cell need a membrane?
Think of it as a selective gate.
It lets the things a cell needs in, and helps keep other things out.
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What does the cell membrane do?
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Cell biology Lecture slides
✓Inside the cell Your notes
✓Plant cell diagram Reference image
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Aa My notes •••
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The membrane is a selective gate.
It controls what enters
and leaves the cell.
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The cell membrane. It separates the cell from its surroundings.
Think of the membrane as a selective gate. It keeps the cell together and controls which substances can enter or leave.
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