Across
- 5. the passing of a disease from one individual to another by direct or indirect contact.
- 6. A large group of single-cell microorganisms.
- 8. one of two types of nucleic acid made by cells.
- 9. a very simple microorganism that infects cells and may cause disease.
- 11. A protein made by plasma cells (a type of white blood cell) in response to an antigen
- 12. a method by which a virus can replicate its DNA using a host cell.
- 13. The molecule inside cells that contains the genetic information responsible for the development and function of an organism.
- 14. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
- 15. involves a virus taking control of a host cell and using it to produce its viral progeny, killing the host in the process.
Down
- 1. illnesses that spread from one person to another or from an animal to a person, or from a surface or a food.
- 2. hronic conditions that do not result from an (acute) infectious process and hence are “not communicable.”
- 3. a quantity or phenomenon that has two independent properties: magnitude and direction.
- 4. outbreak of a disease that occurs over a wide geographic area (multiple countries or continents) and typically affects a significant proportion of the population
- 7. one that carries
- 10. an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in that area.