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Micro ch 1 questions


What types of organisms are included in the study of microbiology? prions, viruses, bacteria, fungi, and parasites
What other areas, besides pathogenesis, are included in the study of microbiology? Biotechnology, gene therapy, food production, and genetic engineering
Describe food microbiology. The production and study of microbes in the production of chees, wine, beer, and bread. Require bacteria and/or yeasts.
Describe Biotechnology Uses microbes to make large quantities of useful items, such as antibiotics, vitamins, food supplements, and to degrade toxic materials.
Describe Genetic engineering. Uses microbes to produce substances like human insulin or to replace defective genes.
Differentiate between parasites and hosts. Parasites live in/on and causes damage to a different type of cell or organism. Host is the damaged organism on/in which the parasite lives.
Where do we find microorganisms? In the air, soil, bodies of water, or all surfaces except materials that have been made sterile
Describe major contributions made to microbiology by Antonie Van Leeuwenhoek. The first to make a microscope and sbserve tiny rapidly swimming animalcules or microbes.
Describe major contributions made to microbiology by Edward Jenner. Performed the world's first vaccination when he vaccinated 8 y/o James Phipps against smallpox. Recognized that vaccines could protect peopal from viral diseases.
Describe the major contributions made to microbiology by Ignaz Semmelweis. Promoted the washing and antiseptic tx of hands. Developed techniques to prevent the spread of disease.
Describe the major contributions made to microbiology by Louis Pasteur. Father of microbiology. Produced vaccines for anthrax and rabies. Discovered that microbes cause fermentations and convinced the scientific community that spontaneous generation was false.
Describe the major contributions made to microbiology by Robert Koch. 1870's postulates for studying microbes 1) causative agent sx in all diseased animals, not others 2) need a pure culture of the agent 3) same sx noted in animals injected with pure culture 4) organism can be reisolated from second group of animals.
What was the basis for the belief in spontaneous generation? The idea that microbes develop without any cellular percentage. A culture left out overnight was always contaminated the next day even though the median had been rigorously boiled and noone had inoculated it. Pastuer proved contamination came from air.
Created by: heatherlvn