Virus

12345678910111213141516171819
Across
  1. 2. The genus name ends in
  2. 6. Who coined the name “virus” meaning poison?
  3. 7. Some viruses are enclosed in a protective __________.
  4. 10. ________________ crystallized sap from sick tobacco plants.
  5. 13. Retroviruses contain this type of enzyme.
  6. 16. Viruses have a ______________________ containing DNA or RNA.
  7. 18. Outside of host cells, viruses are____________.
  8. 19. Most viruses infect only ________ specific cells.
Down
  1. 1. Viruses that attack bacteria.
  2. 3. Viruses are ___________ than the smallest cell.
  3. 4. Beijerinck studied _____________________________ and found they caused healthy plants to become sick.
  4. 5. Are infected by prions.
  5. 8. ___________________  used his kid to test out his vaccine.   Edward Jenner
  6. 9. Viruses couldn’t be seen until the 20th century until  _____________________ was invented.
  7. 11. Also called viral coats.
  8. 12. The Ebola virus is _________ shape.
  9. 14. Viruses have some  ________ of life but not others
  10. 15. Edward Jenner developed a vaccine for _____________
  11. 17. The family names end in