How do normal cells get transformed into cancerous neoplastic cells? M

1.	How do normal cells get transformed into cancerous neoplastic cells? Mention the difference between viral oncogenes and cellular oncogenes.
Answer» Normal cells are transformed into cancerous cells due to various physical, chemical and biological agents called carcinogens. Cellular oncogenes (c-onc) or proto-oncogenes are present in inactivated state but under certain conditions (like mutation) get transformed to cancer-causing oncogenes. Whereas viral oncogenes are cancer-causing genes of virus.

How do normal cells get transformed into cancerous neoplastic cells? Mention the difference between viral oncogenes and cellular oncogenes.

Answer»

Normal cells are transformed into cancerous cells due to various physical, chemical and biological agents called carcinogens.

Cellular oncogenes (c-onc) or proto-oncogenes are present in inactivated state but under certain conditions (like mutation) get transformed to cancer-causing oncogenes. Whereas viral oncogenes are cancer-causing genes of virus.

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How do normal cells get transformed into cancerous neoplastic cells? Mention the difference between viral oncogenes and cellular oncogenes.

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