| A | B |
|---|
| Bacterium | A microscopic prokaryote. There are good (necessary) bacteria and bad bacteria that will make you sick. |
| Flagella (plural) / Flagellum (singular) | A long whip like structure on many bacteria. |
| Binary Fission | Cell division that forms two genetically identical cells. |
| Pathogen | An agent that causes disease. |
| Antibiotic | A medicine that stops the growth and reproduction of bacteria. |
| Pasteurization | A process of heating food or liquid to a temperature that kills most harmful bacteria. |
| Virus | A strand of DNA or RNA surrounded by a layer of protein that can infect and replicate in a host cell. |
| Antibody | A protein that can attach to a pathogen and makes it useless. |
| Vaccine | A mixture containing material from one or more deactivated pathogens, such a viruses. |
| Fungi | An organism that absorbs nutrients from the environment. These can be pathogens. |
| ointment | a smooth substance that you rub on the skin to heal a wound or sore place; used to combat infectious fungi (pills are used too) |
| Parasites | absorb nutrients from living hosts; can harm or kill the host |
| common examples of parasites | fleas, ticks, leeches, tape worm, pin worm, and chiggers |
| common examples of infectious fungi | ring worm, athletes foot, yeast infection, jock itch |
| common examples of bad bacteria | e. coli, salmonella, pink eye, pneumonia |
| common examples of viruses | rhinovirus, influenza, hepatitis A B C, chickenpox |
| Rhinovirus | one of a subgroup of viruses that cause the common cold in humans |
