Some retroviruses can convert:
Correct answer: D. Normal cells into cancer cells
- A. Cancer cells into normal cells
- B. Cancer cells into germ line cells
- C. Cancer cells into degenerated cells
- D. Normal cells into cancer cells
Explanation
Retroviruses can cause cancer by inserting their genetic material into the host cell's DNA. This insertion can disrupt the normal function of genes that control cell growth and division, potentially activating oncogenes (genes that promote cancer) or inactivating tumor suppressor genes (genes that prevent cancer). Additionally, some retroviruses carry oncogenes themselves, directly introducing cancer-causing genes into the host cell. Over time, these disruptions can lead to uncontrolled cell growth and the development of tumors.
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