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XSIQ
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Biology - Summary
Summary
* All living cells have a cell membrane. It regulates the movement of
substances in and out of a cell.
* A nucleus controls the activities of the cell.
* The majority of chemical reactions in a cell occur in the cytoplasm.
* Mitochondria supply the energy for the majority of cells.
Click to view the animal cells summary.
Click to view a printable version of the animal cells summary.
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