1.

a. Explain the property that prevents normal cells from becoming cancerous. b. All normal cells have inherent characteristic of becoming cancerous. Explain.

Answer»

a. By the contact inhibition property, normal cells do not change into cancerous cells. 

b. Several genes called cellular oncogenes (c-onc) or proto-oncogenes in normal cells which, when activated under certain conditions, could lead to oncogenic transformation of the cells leading to cancer.



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