| A | B |
|---|
| virus | disease causing particle that is not considered alive |
| antibiotic | a substance(medicine) that kills bacteria |
| decomposer | an organism that breaks down dead organisms into simpler substances |
| flagella | a long whiplike structure that propels a cell through its environment |
| bacteriophage | type of virus that attacks bacteria |
| bacteria | one-celled organism without a nucleus |
| antibodies | substances produced by the body in response to a viral infection |
| vaccine | a dead or weakened virus that tricks the body into making antibodies |
| examples of viral diseases | polio, rabies, chickenpox, measles |
| examples of bacterial diseases | lyme disease, scarlet fever, salmonella, strep throat |
| a rod shaped bacteria found in human intestines | escherichia coli (E. Coli) |
| endospore | an internal resting cell formed by bacteria under adverse conditions |
| cell wall | tough rigid structure that surrounds, supports, shapes and protects the bacterial cell |
| white blood cell | attacks foreign material in body like bacteria |
| Sir Alexander Fleming | Discovers the antibiotic penicillin |
| Colony | A group of bacteria - colonies can be big enough to see with the naked eye |
| immune system | The parts of the body that fight disease; antibodies, white blood cells etc... |
| Mutation | A copy error - when the DNA changes |
| Host | living things that provide a source of energy or a suitable environment for a virus or other living thing to live |
| Parasite | organism that survives by living in or on a host organism and causes harm to the host |
