1. Process of removing or killing microorganisms

2. Unwanted microorganism present in a culture

3. Medicine that inhibits the growth of microorganisms

4. Microscopic single-celled organisms

5. Process of passing a liquid through a filter to remove microorganisms

6. Microorganism causing disease

7. Process of destroying all microorganisms

8. Group of microorganisms derived from a single cell

9. Infectious agent consisting of genetic material enclosed in a protein coat

10. Single-celled fungus used in baking and brewing

11. Substance containing nutrients for the growth of microorganisms

12. Spherical-shaped bacterium

13. Gelatinous substance used as a medium for growing microorganisms

13. Type of agar used for gel electrophoresis

14. Poisonous substance produced by microorganisms