Across
- 2. human viral disease that causes skin to itch and blister
- 3. human viral disease that killed 20million-50million people in 1918-1919, also called flu
- 4. virus that infects bacterial cells, also called phage
- 5. human viral disease that is sexually transmitted causing blisters around mouth and genitals
- 6. microbes that infect cells
- 7. a virus that uses reverse transcriptase to turn rna to dna
Down
- 1. describes a cell that cannot reproduce on its own
- 2. protein shell
