Across
- 5. A surrounding or enclosing structure, as a corolla or an outer membrane
- 7. Compound that blocks the growth and reproduction of bacteria
- 8. A molecule that consists of carbohydrate plus a protein.
- 10. A preparation of a weakened or mild form of a pathogen to produce immunity
Down
- 1. A reactivation of the chickenpox virus in the body
- 2. The organism that benefits by living on or in a host
- 3. Animal that carries disease-causing agents from person to person
- 4. Is a larger organism that harbours a smaller organism
- 6. Are small single-celled organisms and are found almost everywhere on Earth
- 9. Outer protein coat of a virus
- 10. Is an infectious agent that can only replicate within a host organism