1. What is a virus?

Answer: A very small particle made up of nucleic acid and protein.


2. What are the two classes of viruses?

Answer: RNA viruses and DNA viruses


3. In viral replication, what do we call the bursting of the cell?

Answer: lysis


4. What are the phages called that cause lysis in their hosts?

Answer: virulent phages


5. What are short naked strands of RNA with similarities to viruses called?

Answer: viroids