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Normal cells have a self-destruct mechanism. This means that at any time, when a cell realises it's not functioning correctly and there's nothing it can do to repair itself and correct the mistake. It'll destroy itself. The incorrect funtionning of a tumor cell however is a defect in this self-destruct mechanism. So the cell will never destroy itself even though it's not working correctly. Since cell division is basically making another copy of the mother cell, this defect is passed on to all cells that are produced from this mother cell and the error is never detected.

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7y ago

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How are tumor cl different from normal cell?

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not in all cases, however, but yes


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