6. Which family has received the most interest in their development as a biological control agent against insects?

A. Reoviridae
B. Baculoviridae
C. Iridoviridae
D. Poxviridae

7. In cancer, the reversion of cells to a more primitive or less differentiated state is called

A. neoplasia
B. anaplasia
C. metastasis
D. oncogenic

8. Which of the following has been linked to Kaposi’s sarcoma?

A. Epstein-Barr virus
B. Human T-cell lymphotropic virus
C. Human papillomavirus
D. Human herpesvirus 8

9. Virulent and nonvirulent viruses may not

A. inhibit host cell DNA synthesis
B. inhibit host cell RNA synthesis
C. stimulate host cell macromolecule synthesis
D. degrade host cell DNA

10. The hepadnaviruses such as the hepatitis B virus are quite different from other DNA viruses with respect to genome replication. These replicate their DNA using

A. NA-dependent DNA polymerase
B. verse transcriptase
C. nase H
D. NA ligase