2-cell-division-specialization

2-cell-division-specialization - Cell division & cell...

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Cell division Plant and animal cells reproduce themselves by cell division Plants and animals grow by making more cells Some cells reproduce continually to make, for example, new skin cells and blood cells The next slides show the processes of cell division in plants and animals 2
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Cell division in plants A plant cell ready to divide has a large nucleus, dense cytoplasm and no vacuole cytoplasm nucleus cell wall 3
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the nucleus divides first . .. ...and a new cell wall begins to form 4
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One of the new cells enlarges and vacuoles appear in the cytoplasm 5 vacuoles forming
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The vacuoles begin to join up and absorb water causing the cell to expand vacuole absorbs water and the pressure makes the cell larger this cell does not form vacuoles and will divide again 6
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Vacuole formation is now complete and the cell is fully expanded the pressure of the vacuole has forced the cell to expand 7
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the nucleus has divided
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2-cell-division-specialization - Cell division & cell...

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