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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
Explain the various types of cancer
Inactive gene that can cause cancer is called ______.
- How is a tumor formed in the body?
- What are the two types of tumor?
- Which of these under goes metastasis?
Carcinogens are cancer causing agents.
Cancer causing genes are called ______.
In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called ______.
AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?
If a patient is advised Anti Retroviral Therapy, which infection is he suffering from? Name the causative organism.
Genes involved in cancer are ______.
Which one of the following diseases is non - communicable?
