| 1. | antibiotic resistance | A. | a long whip-like structure that helps a cell to move |
| 2. | asexual reproduction | B. | the region of a cell located inside the cell membrane (prokaryotes) or between the cell membrane and nucleus (eukaryotes) |
| 3. | sexual reproduction | C. | a small rounded thick-walled resting cell that forms inside a bacterial cell |
| 4. | infectious disease | D. | an organisim that lives in or on a host and causes harm to the host |
| 5. | binary fission | E. | a virus that infects bacteria |
| 6. | pasteurization | F. | a reproductive process that involves only one parent produces offspring that are identical to the parent |
| 7. | bacteriophage | G. | a tiny nonliving particle taht invades and then reproduces inside a living cell |
| 8. | conjugation | H. | an organisim that breaks down chemicals from dead organisims and returns important materials to the soil and water |
| 9. | respiration | I. | the basic process by which ATP is made |
| 10. | antibiotic | J. | a tiny structure located in the cytoplasm of a cell where proteins are produced |
| 11. | decomposer | K. | a reproductive process that involves two parents that combine their genetic material to produce a new organisim which differs from both parents |
| 12. | cytoplasm | L. | the ability of bacteria to withstand the effects of an antibiotic |
| 13. | endospore | M. | a form of asexual reproduction in which one cell divides to form two identical cells |
| 14. | flagellum | N. | a process of heating food to a temperature that is high enough to kill most harmful bacteria withoutchanging the taste of the food |
| 15. | bacteria | O. | a poison that can harm an organisim |
| 16. | parasite | P. | a chemical that can kill bacteria without harming a person's cells |
| 17. | ribosome | Q. | single-celled organisims that lack a nucleus |
| 18. | vaccine | R. | an organisim that provides a source of energy or a suitable enviroment for a virus or another organisim to live |
| 19. | toxin | S. | a substance introduced into the body to stimulate the production of chemicals that destroy a specific disease causing virus or organisim |
| 20. | virus | T. | the process in which a unicellular organisim transfers some of its genetic material to another unicellular organisim |
| 21. | host | U. | an illness that can pass from one organisim to another |