超星 - 人乳头瘤病毒，朊粒--章节练习

单选题

One of the most common sexually transmitted diseases that may lead to cervical carcinoma is caused by which of the following viruses?

A. Cytomegalovirus
B. Papillomavirus
C. Epstein-barr virus
D. Herpes simplex virus
E. Adenovirus

单选题

A. Slow viruses
B. Cell wall-deficient bacteria
C. Environmental toxins
D. Prions

单选题

A prion
B. A virus
C. Rickettsiae
D. An autoimmune reaction
E. A bacterium with a defective cell wall