Across
- 4. unicellular microorganisms which have cell walls but lack organelles and can cause diseases
- 5. a type of virus that infects bacteria
- 7. last name of Chief Medical Advisor to the President of United States
- 8. the ability of a microorganism to cause disease in the host
- 9. multicellular eukaryotic organisms
Down
- 1. a living organism that transmits an infectious agent
- 2. last name of the guy whose works helped with vaccinations and pasteurization
- 3. a bacterium, virus, or another microorganism that causes disease
- 6. the name of the cycle reproduces viruses using a host cell
- 8. an infective agent that consists of a nucleic acid molecule in a protein coat