Compare the lytic and lysogenic reproductive cycles of a phage. 2. Compare the structures and reproductive cycles of the mumps virus and a herpes virus. 3. Describe three processes that contribute to the emergence of viral disease and note examples of each. 4. Explain why RNA viruses tend to have an unusually high rate of mutation. 5. Explain how the AIDS virus enters a host cell and reproduces. 6. Describe the structure of prions and explain how they cause disease. 7. Define and compare the processes of transformation, transduction, and conjugation. 8. Describe the roles of bacterial F factors. Define a plasmid and explain why R plasmids pose serious human health problems.