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Bacteria And viruses
bacteria and viruses and other stuff
| Question | Answer |
|---|---|
| What does aerobe mean? | organism that uses oxygen for respiration. |
| What is anaerobe? | organism that is adapted to live without oxygen. |
| Most bacteria is anaerobe or aerobe? | Most bacteria is aerobe. |
| Where do some anaerobic bacteris live? | Some live in intestines of humans |
| Who discovered Bacteria? | Antonie Van Leeuwenhoek |
| What are the 2 kingdoms of bacteria? | Archeabacteria and Eubacteria (most bacteria are eubacteria) |
| What do all bacteria have? | Cytoplasm, Chromosomes or hereditary material and cell wall, cell membrane,ribisomes |
| What are some extra features that bacteria can have? | flagellum and a slime layer ( which helps protect it from other cells) |
| What are the 3 types of Bacteria? | spirillum-spiralcoccus-circle/spherebaccilus-rod shaped |
| What are the differences between producer and consumer bacteria? | Producer: makes own food, chlorophyl makes food, food made by energy from sun, chemical reactions used.Consumer: dont make their own food, break down dead organisms to obtain energy. |
| What are some characteristics for Eubacteria? | it is the larger kingdom, includes cyanobacteria(yellow, black,red) produce oxygen as waste |
| What are some treatments for bacterial diseases? | antibiotics and sometimes vaccines. |
| What are some good bacteria? | antibiotics, saprophyte, nitrogen-fixing bacteria |
| What are some bad bacteria? | pathogens (which produces toxins) |
| What is a pathogen? | any organism that causes disease |
| What are toxins? | poisonous substances made by pathogens. botulism is an example of a disease made by toxins |
| What are some diseases made by pathogens and toxins? | strep throat, diphtheria, tetanus, whooping cough and anthrax |
| What is the 1st step of a virus reproducing? | 1. virus attaches to specific host cell |
| What is the 2nd step of a virus reproducing? | 2. Virus's hereditary material enters the host cell. |
| What is the 3rd step of virus reproducing? | 3. Virus's hereditary material causes the cell to make viral hereditary materials and proteins. |
| What is the 4th step of virus reproduction? | 4. New virus form inside the host cell. |
| what is the 5th step of virus reproduction? | new viruses are revealed as the host cell bursts open |
| What does latent mean? | when an organism duplicates dna but doesnt multiply. |
| What is an active virus? | when a virus causes the host cell to make new viruses and destroys the host cell. |
| What are some treatments for viruses? | vaccines, antiviral drugs and improving sanitary conditoins. |
| What is a good use for viruses? | gene therapy-substitutes normal hereditary material for a cell's defective hereditary material. |
| What are some ways to prevent viral infections? | vaccinate people, quarantine people, improve sanitation and control animals that spread diseases. |
| Differences between bacteria and viruses? | Bacteria: no nucleus, prokaryotic, living and surrounded by cell wall.Viruses: Not living, requires host cell to mult. has protein coating and DNA |
| Who is Louis Pasteur? | A world renowned chemist |
| What is the "germ theory"? | most infectious diseases are caused by micro-organims. |
| What did Pasteur make? | rabies vaccine, anthrax vaccine, paseurization. |
| What is Pasteurization? | the process of slowly heating liquid to kill micro organisms (cider, milk, wine, beer) |
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VaLeRiA!
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