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20 Cards in this Set
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- Back
- 3rd side (hint)
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What is microbilogy
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study of microorgansisms
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What are microorganisms
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organisms so small that microscopes are required to see them and special laboratory techniques are needed to study them
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What is another name for microorganisms
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microbes
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What is the general size of microorganisms
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less than .1mm (100 um) in diameter
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What are the major biological groups of microorganisms
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B - bacteria
V - viruses F - fungi P - protozoa A - algae H - helminths |
Be Very Fun Presenting All Hairstyles
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What is immunology
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study of how the body defends itself against infection
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What is epidemiology
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monitoring and controlling the spread of disease
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What is medical microbiology & pathology
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focuses on disease causing microbes
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What is agricultural microbiology
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studies the microbes involved in soil fertility, livestock health, and plant diseases
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What is food & dairy microbiology and aquatic microbiology
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examine the roles of microbes in consumable food and drink
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What is a pathogen?
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a microorganism or virus that causes disease
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What are procaryotes?
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bacteria with no true nucleus
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What are eucaryotes?
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bacteria with a true nucleus
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Microbes are deeply involved in the lofw of energy food through the earth's ecosystems by what three means?
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producers, decomposers, & sympionts
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What are producers?
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Photosynthesis: photosynthetic microorganisms including algae and cyanobacteria that accounts for more that 50% of the Earth's photosynthesis. Thus, they not only serve as the basis for the food chain, they contribute the majority of oxygen to the atmosphere
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What are decomposers (saprobes)?
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Nutrient Recycling: decomposers play strategic and often specific roles in the cycling of elements such as nitrogen, sulfur, phosphorus, and carbon between living things and their non-living environment - does not cause disease
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What are symbionts?
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Microorganisms which live in partnership with other living things. Examples including: bacteria living in the digestive systems of ruminants, bacteria living in our own digestive systems, and nitrogen fixing bacteria living in plant root nodules.
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How many different species of microbes can infect the human body and cause disease
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nearly 2000
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What is Antoine van Leeuwenhoek know for?
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1st to have observed bacteria & protozoa through his homemade microscope
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What is Edward Jenner known for?
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Demonstrated that it is possible to vaccinate against smallpox using pus from cowpox lesions - the first vaccine
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