4 Written Questions
4 Multiple Choice Questions
- is the protective outer coat.
- bacterial viruses with a polyhedral head & a helical tail.
- causes disease in tobacco plants.
- the virus that causes AIDS.
4 True/False Questions
lytic cycle → viruses that infect a host cell & have their nucleic acid replicated but don't harm the host cell.
viroid → contain RNA or DNA in a protein coat.
viruses → contains only a nucleic acid.
Viruses → contains only a nucleic acid.