16. The ability of human papilloma virus to act as a carcinogen depends on which types of viral proteins to interfere with the activity of tumor suppressor proteins that regulate cell growth and survival in cervical carcinoma? (A) Viral proteins E1 and E2 (B) Viral proteins E2 and E3 (C) Viral proteins E3 and E4 (D) Viral proteins E4 and E5 (E) Viral proteins E6 and E7