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Notes, PDFs, imagesBiology 4 materials
| Name | Type | Added |
|---|---|---|
| Cell biology | Sep 9 | |
| Lecture notes | Sep 9 | |
| Plant cell diagram | Sep 8 | |
| Membrane transport | Sep 8 |
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BIOLOGY / REVISION NOTES
Cell biology
A closer look at the smallest unit of life.
01 · Inside the cell
The nucleus stores genetic information. Mitochondria supply energy. The membrane controls what enters and leaves.
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How do these three structures work together?
1 / 4See where your time goes.
Materials 29
Questions 12
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Subjects 4
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Cell membranes
Replace The membrane separates the cell from its surroundings. The cell membrane controls which substances enter and leave the cell.
Add Small molecules can pass through. Others need transport proteins.
Delete It separates the inside from the outside.