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DF LEP Bio Viruses &
DF LEP Bio Viruses & Bacteria Chapter 4
| Question | Answer |
|---|---|
| Antibiotic | Chemical substances that kill or slow the growth of bacteria |
| Asexual reproduction | The reproducing of a living thing from only one parent |
| Bacteria | Very small, one-celled monerans |
| Biotechnology | The use of living things to solve practical problems |
| Blue-green bacteria | Small, one-celled monerans that contain chlorophyll and can make their own food |
| Capsule | A sticky outer layer produced by bacteria |
| Colony | A group of similar cells growing next to each other that do not depend on each other |
| Communicable disease | Those can be passed from one organism to another |
| Decomposer | Living things that get their foods from breaking down dead matter into simpler chemicals |
| Endospore | A thicked-wall structure that forms inside a bacterial cell |
| Fission | The process of one organism dividing into two organisms |
| Flagellum | A whiplike thread used for movement by bacteria |
| Host | An organism that provides food for a parasite |
| Interferon | A chemical substance that interferes with the way viruses reproduce |
| Koch's postulates | Steps for proving that a disease is caused by a certain microscopic organism |
| Parasite | An organism that lives in or on another living thing and gets food from it |
| Pasteurization | The process of heating milk to kill harmful bacteria |
| Saprophyte | Organisms that use dead materials for food |
| Vaccine | Substances made from weakened or dead viruses that protect you against certain diseases |
| Virus | A chromosome-like part surrounded by a protein coat |