Micro Unit 1, Ch.1: Humans and the Microbial World
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Created by:
michelehoward on April 21, 2011
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23 terms
Terms | Definitions |
|---|---|
 Microorganisms | living things too small to be seen without a microscope |
| Pathogens | disease-causing microbes |
| Virulence | strength of microbe to cause disease |
| Antibiotics | natural substances produces by bacteria and fungi to kill other microbes |
| Aseptic Techniques | procedures that prevent contamination |
| Theory of Spontaneous Generation | organisms can arise from non-living materials |
| Germ Theory of Disease | microbes cause disease |
| Robert Hooke | discovered plant cells with microscope (lens, tube, plants, "little compartments") |
| Leeuwenhoek | discovered microbes (in pond water) |
| Tyndall and Cohn | discovered heat resistant forms of bacteria called endospores |
| Virchow | discovered all cells come from pre-existing cells |
| Pasteur | showed that microbes can be destroyed or blocked |
| Lister | began aseptic techniques in medicine |
| Jenner | developed the idea of vaccination |
| Alexander Flemming | developed a set of steps for determining if disease is caused by a certain microbe |
| Nomenclature | naming (using catagories) |
| 5 Kingdoms developed by Whittaker | Monera, Protista, Fungi, Plants, Animals |
| Monera | bacteria, single cells without a nucleus |
| Protista | single cells with a nucleus |
| Fungi | single or multi celled organisms with a nucleus and cell walls made of Chitin |
| Algae | single or multi celled plants that live in the water |
| Viruses | acellular particles (not a complete cell); made of two basic things (hereditary material surrounded by protein) |
| Helminthes | worms |
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