4 Written questions
4 Multiple choice questions
- contain RNA or DNA in a protein coat.
- bacterial viruses with a polyhedral head & a helical tail.
- causes disease in tobacco plants.
- the virus that causes AIDS.
4 True/False questions
lysogenic → contains only a nucleic acid.
typical virus → consists of a protein coat & a nucleic acid core.
viroid → contains only a nucleic acid.
lytic cycle → viruses that infect a host cell & have their nucleic acid replicated but don't harm the host cell.