1. Which family has received most interest in their development as a biological control agent against insects?
2. In cancer, the reversion of cells to a more primitive or less differentiated state is called
3. Which of the following has been linked to Kaposi's sarcoma?
4. Virulent and nonvirulent viruses may not
5. The hepadnaviruses such as hepatitis B virus are quite different from other DNA viruses with respect to genome replication. These replicate their DNA using
6. Which of the following virus is always detectable after infections?
7. Viroids are composed of
8. Which of the following is the agent associated with the development of neurodegenerative disease in livestock and humans?
9. __________is probably the most important characteristic for classification of viruses in eukaryotes.
10. The __________ of the influenza-enveloped virus appear to be involved in attachment to the host cell receptor site.
11. Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure.