Some viruses can cause cancer by creating oncogenes. This frequently happens because: Only viruses contain genes that can convert proto-oncogenes into oncogenes Viruses contain the remainder part of the DNA that is added to the proto-oncogene to form the oncogene. Viruses specifically infect cells that contain proto-oncogenes. The proto-oncogenes are more likely to undergo mutation within a virus All of the listed are ways viruses can convert proto-oncogenes to oncogenes
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Only viruses contain genes that can convert proto-oncogenes into oncogenes: This statement is not entirely true, as other factors like mutations and exposure to carcinogens can also convert proto-oncogenes into oncogenes. So, this option is not correct. Show more…
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Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells? a. Proto-oncogenes first arose from viral infections. b. Proto-oncogenes are mutant versions of normal genes. c. Proto-oncogenes are genetic "junk." d. Proto-oncogenes normally help regulate cell division.
QUESTION 28 Certain viruses are instrumental in converting proto-oncogenes to oncogenes. This conversion most commonly results because: A. the proto-oncogenes are more likely to undergo mutation or recombination within a virus. B. viruses contain the remainder part of the DNA that is added to the proto-oncogene to form the oncogene. C. only viruses contain genes that can convert proto-oncogenes into oncogenes. D. viruses specifically infect cells that contain proto-oncogenes.
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Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells? \begin{equation} \begin{array}{l}{\text { (A) Proto-oncogenes first arose from viral infections. }} \\ {\text { (B) Proto-oncogenes are mutant versions of normal genes. }} \\ {\text { (C) Proto-oncogenes are genetic "junk." }} \\ {\text { (D) Proto-oncogenes normally help regulate cell division. }}\end{array} \end{equation}
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