Bacteria and Viruses

3. a blood protein produced in response to and counteracting a specific antigen
6. a microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell
9. a microorganism that causes a disease
10. dividing or splitting something into two or more parts
11. microscopic organisms not visible to the naked eye; aka germs
12. the temporary union of two bacterial or unicellular organisms for the exchange of genetic material

1. the state or process of rotting
2. a resistant asexual spore that develops inside some bacteria cells
4. a small threadlike structure that allows bacteria to swim
5. the use of either natural occurring or deliberately introduced microorganisms or other forms of life to consume and break down environmental pollutants in order to clean up a polluted site
6. a substance used to stimulate the production of antibodies and provide immunity against one or more diseases, prepared from the causative agent of a disease treated to act as an antigen without inducing the disease
7. a medicine that inhibits the growth of or destroys microorganisms
8. Fixation, the process by which atmospheric nitrogen is converted by a natural or an industrial means to a form of nitrogen such as ammonia
9. the partial sterilization of a product to make it safe for consumption and improve its keeping quality