[Campbell Biology P.1023] Which of the following statements about the link between viruses an... | Practice Question

Which of the following statements about the link between viruses and cancer, as discussed in the text, is true?

  • A: All human cancers are known to be caused by viral infections.
  • B: The first vaccine against a human cancer was developed in 2006 to target HPV.
  • C: The immune system can recognize viral proteins associated with cancer cells, providing a defense.
  • D: Kaposi's sarcoma is caused by Hepatitis B virus, which leads to liver cancer.

Explanation

The text explicitly states: 'Because the immune system can recognize viral proteins as foreign, it can act as a defense against viruses that can cause cancer and against cancer cells that harbor viruses.' Options A, B, and D contain inaccuracies according to the text.