Question

a. Explain the property that prevents normal cells from becoming cancerous. 

b. All normal cells have inherent characteristic of becoming cancerous. Explain.

Answer 1

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.