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Question

How is a cancerous cell different from a normal cell?

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Solution

The absence of cell cycle regulatory mechanisms makes a cell cancerous causing it to undergo continuous cell divisions, lack of communication with neighboring cells, no apoptosis and senescence are also seen. In the absence of substances that stick the normal cells together, cancerous cell metastasize and possess abnormal appearance (abnormal shape of cell and nucleus). Cancer cells also have the ability of angiogenesis even when growth is not required.

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