| A | B |
|---|
| non-cellular | having no cells, therefore is not a living thing |
| protein coat | outer covering of a virus |
| DNA (or RNA) code | inner core of a virus |
| parasite | organism that lives inside another living organism |
| host | plant, animal or bacteria that has a parasite living inside it (the parasitic organism will usually cause damage or weakness to the host) |
| bacteriophage | a virus that is a parasite reproducing in a bacteria cell |
| unicellular | word referring to an organism having only ONE cell (bacteria are like this; animals and plants are not) |
| coccus | a sphere-shaped bacteria cell |
| bacillis | a rod or rectangle-shaped bacteria cell |
| spirillum | a spiral-shaped bacteria cell |
| saprophytic | refers to any organism that feeds off dead or decaying plant and animal life |
| toxins | certain food-spoilage bacteria produce these poisons which can make humans or animals very sick |
| endospores | certain bacteria can form these protective-coated, long-lasting cells when their environment becomes too dry or acidic or cold, etc for normal life; (when their surroundings get harsh, they "get tough") |
| flagellum | whip-like structure that some bacteria cells have in order to move |
| Monera | the classification kingdom that all bacteria belong to (it consists of unicellular organisms that do NOT have a true nucleus) |
| antibiotics | a use that man has found for certain bacteria that will kill or weaken disease-causing bacteria |
