Bacteria, viruses, and Immune system

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Across
  1. 5. additonal starnds of DNA
  2. 7. a disease caused by overactive immune system
  3. 11. a disease that has been eradicted world wide
  4. 13. microscopic living organisms that only have one cell
  5. 14. MERS is caused by a
  6. 15. a naked virus does not have an
  7. 16. most viruses have all EXCEPT
  8. 18. a molecule that contains a genetic code
  9. 19. a virus that can cause hemorrhagic fever
  10. 20. the fluid inside the cell
Down
  1. 1. they are also known as "memory cells"
  2. 2. what are viruses mad out of?
  3. 3. where proteins are put together
  4. 4. infectious proteins particles are called
  5. 6. cancerous mutation in the bone marrow
  6. 8. the body's defense against infections
  7. 9. something that helps bacteria move
  8. 10. Viruses that infect bacteria are called
  9. 12. What type of bacteria is sphere shaped?
  10. 17. a bacterium with a rigid spiral structure