4 Written questions
4 Multiple choice questions
- is most closely associated with emerging viruses.
- the virus that causes AIDS.
- is the protective outer coat.
- viral DNA become integrated into the host cell's DNA.
4 True/False questions
the study of viruses → is a part of biology because they are active inside living cells.
viroid → contains only a nucleic acid.
viruses → contain RNA or DNA in a protein coat.
bacteriophages → causes disease in tobacco plants.