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NEETZoologyHuman Health and Diseases

What are the conditions that activate cellular oncogenes and lead to oncogenic transformation of cells?

Options

  1. APresence of chemical carcinogens
  2. BExposure to ionizing radiations
  3. CCertain conditions
  4. DNone of the above

Correct answer

C. Certain conditions

Step-by-step solution

Malignant tumors are a mass of proliferating cells that grow rapidly, invading and damaging the surrounding normal tissues.Both ionizing radiations such as X-rays and gamma rays, as well as non-ionizing radiations such as UV, cause DNA damage leading to neoplastic transformation. Several genes called cellular oncogenes or proto oncogenes have been identified in normal cells which, when activated under certain conditions, could lead to oncogenic transformation of the cells. When activated under certain conditions, c

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