4 Written questions
4 Multiple choice questions
- consists of a protein coat & a nucleic acid core.
- viral DNA become integrated into the host cell's DNA.
- is the protective outer coat.
- bacterial viruses with a polyhedral head & a helical tail.
4 True/False questions
viruses → contains only a nucleic acid.
the study of viruses → is a part of biology because they are active inside living cells.
viroid → have nuclei & organelles.
Tobacco virus → consists of a protein coat & a nucleic acid core.