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प्रश्न
How do normal cells get transformed into cancerous neoplastic cells? Elaborate giving three examples of inducing agent.
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उत्तर
Transformation of normal cells into cancerous neoplastic cells may be induced by following physical, chemical or biological agents causing DNA damage:
- Ionising radiations like X-rays and gamma rays
- Non-ionizing radiations like UV.
- Chemical carcinogens present in tobacco smoke
- Cellular oncogenes (c-onc) or proto-oncogenes, when activated under certain conditions cause cancer. Viruses with oncogenes can transform normal cells to cancerous cells
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संबंधित प्रश्न
Name one chemical carcinogen with its target tissue.
Carcinoma is cancer of ______ cells.
Inactive gene that can cause cancer is called ______.
What is metastasis?
How is a cancer cell different from a normal cell?
The cancer that generally affects lymph nodes and spleen is ______.
Cancer is related to ______
The immune system of a person is suppressed. In the ELISA test, he was found positive to a pathogen.
- Name the disease the patient is suffering from.
- What is the causative organism?
- Which cells of body are affected by the pathogen?
What is cancer? How is a cancer cell different from the normal cell? How do normal cells attain cancerous nature?
What are the methods of cancer detection? Describe the common approaches for treatment of cancer.
