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9.16 Exam study 1
| Question | Answer |
|---|---|
| Why are microorganisms useful in research? | They are part of the human environment and therefore important to human health |
| Groups of organisms classified as microbes | fungi, algae, bacteria, protozoans, viruses ( non living) |
| developed process to purify penicillin | Ernest Chain and Howard Florey |
| discovered penicillin and its antibacterial properties | Alexander Fleming (Scottish physician) |
| coined term "chemotherapy | Paul Erlich |
| crystallized tobacco mosaic virus | Wendell Stanley |
| characterized viruses | Martinus Beijerinck |
| Discovered leukocytes (wbc's) | Metchinkoff |
| Vaccine | Vaca - latin word for cow |
| Jenner | Developed smallpox vaccine |
| Semmelweis | discovered and died of puerperal fever (streptococcus pyrogenes infection) |
| cause of puerperal fever | doctors didn't wash hand after autopsies |
| Koch Postulates | 1.Specific causative agent must be found in q case of disease 2)disease organism must be isolated in pure culture 3)Inoculation of sample of the culture into a healthy susceptible animal must produce the same disease 4)Disease organism must b recovered |
| Louis Pasteur's accomplishments | 1. Pasteurization 2. Disproved spontaneous generation 3. Wine making 4. Disease in silkworm 5. Developed rabies vaccine |
| description of Francesco Redi's experiment to disprove spontaneous generation | wrapped rotting meat in gauze...kept flies from getting to meat;however, eggs hatch on top of gauze |
| Earth, water, fire, air (element therapy) | Aristole |
| Spontaneous Generation | Living things arise from non-living things |
| Germ Theory of Disease | Microorganisms can invade other organisms and cause disease |
| Formulated Cell Theory | Matthias Scheleiden and Theodor Schwann |
| Cell Theory | Cells are the fundamental units of life and carry out all basic functions of living things |
| Anton van Leewenhoek | observed "animalcules" Made simple microscope (magnified up to 300x) |
| Robert Hooke (English scientist) | Built 1st compound microscope Coin term "cell" which looking at cork |
| Varro What was his belief? | Scholar and Write, who proposed that tiny invisible animals entered the body through the mouth and nose to cause disease. |
| Hippocrates | Set forth ethical standards for practicing medicine that are still in use today. |
Created by:
ijuswannarn1
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