| A | B |
|---|
| antibiotic (an ti bi ot ic) | a medicine that blocks the growth and reproduction of bacteria |
| bacillus (ba cil lus) | rod-shaped bacteria |
| bacteria (bac te ri a) | single-celled organisms in the Kingdom Monera |
| bacteriophage bac te ri o phage) | virus that infects bacteria |
| capsid (cap sid) | outer protein coat of a virus |
| coccus (coc cus) | spherical (round) bacteria |
| host | the living organism that gives the virus a place to copy itself |
| pasteurization (pas teur i za tion) | food is heated to kill most harmful bacteria |
| pathogen (path o gen) | disease-causing agent |
| spirillium (spi ril lium) | spiral or corkscrew-shaped bacteria |
| vaccine (vac cine) | a preparation of a weakened or mild form of a pathogen to produce immunity |
| vector (vec tor) | animal that carries disease-causing agents from person to person |
| virus (vi rus) | infectious particle made up of DNA (or RNA) and protein |
