4 Written questions
4 Multiple choice questions
- causes disease in tobacco plants.
- the virus that causes AIDS.
- is a part of biology because they are active inside living cells.
- viruses that infect a host cell & have their nucleic acid replicated but don't harm the host cell.
4 True/False questions
capsid of a virus → consists of a protein coat & a nucleic acid core.
bacteriophages → bacterial viruses with a polyhedral head & a helical tail.
Viruses → contains only a nucleic acid.
typical virus → causes disease in tobacco plants.