Microbiology Vocabulary

3. A change in the DNA sequence of an organism, can result;t from errors in DNA replication during cell division, exposure to mutagens, or a viral infection.
4. Tiny, single-celled living organisms that can be found in and on your body. They can make you healthy or sick.
6. Infectious disease spreading over several countries, continents, or globally.
9. A protein produced by the body’s immune system when it detects harmful substances.
10. A larger organism that harbors a smaller organism; whether a parasitic or a “guest” (symbiont). The guest is typically provided with nourishment and shelter.
11. Spreading from one person or organism to another by direct or indirect contact.
13. A widespread occurrence of an infectious disease in a community at a particular time.
15. A marker that exists on the outside of cells or viruses. Each has a unique shape that the immune system reads to determine whether it belongs in the body.
16. A substance that fights against viruses and inhibits their growth.

1. A preventative that is used to simulate the body’s immune response against disease.
2. When germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them.
5. Conditions or practices to maintain health and prevent disease through cleanliness.
6. Can be a bacteria, virus, parasite, etc, that causes disease in a host.
7. The branch of medicine which deals with the incidence, distribution, and possible control of disease and other factors relating to health.
8. A sudden rise of disease being spread.
12. Cannot replicate but infects cells and uses components of the host cell to make copies of itself.
14. When viruses, bacteria, or other microbes enter your body and begin to multiply. Cells in your body are damaged and as a result, symptoms of illness appear.