| A | B |
|---|
| virus | nonliving particle with a protein coat |
| bacteria | unicellular organism without a nucleus |
| parasite | organism that harms or kills another organism |
| host | organism that provides food or a home |
| antibiotic | chemical that is used to kill bacteria |
| antibodies | protein particles used by the immune system to kill invaders |
| vaccine | stimulates production of antibodies |
| symbiosis | relationship b/w 2 organisms where at least 1 benefits |
| saprophyte | organism that feeds off of dead, decaying matter |
| bacteriophage | "bacteria eater" |
| measles | caused by virus |
| strep throat | caused by bacteria |
| tail sheath | allows DNA to be injected into a host |
| protein coat | surrounds DNA |
| pathogenic | disease-causing |
| structure of virus | DNA, protein coat, tail fibers, tail sheath |
| structure of bacteria | DNA, cytoplasm, cell wall, capsule, cell membrane |
| endospore | thick outer coating that protects DNA in harsh conditions |
| inactive virus | virus that "hides" for a while onside host cell before becoming active. |
| active virus | virus that enters host cell & immediately multiply-causing the quich death of its host cell. |
