Across
- 1. makes up all living beings
- 2. no nucleus
- 5. quick reproduction of a virus
- 7. prolonged reproduction of a virus
- 8. only a eukaryotic cell has this
- 9. has a nucleus
Down
- 1. fluid inside a cell
- 3. the "head" of a virus
- 4. needs a host cell
- 6. wall an extra outer layer besides the cell membrane