Name: Li Linhui (Sophia Li) Student Number: 998813887 Course Code: EESA10H3 S Lecture 30 Assignment 1 1. In China motor vehicle use will probably increase substantially over the next several decades as a result of China’s rising global economic super power‚ which already has an enormous environmental footprint. a. Research the impact of fossil fuels emission from motor vehicles on human health. Summarize your findings. Fossil fuel emission from motor vehicles as an outdoor air pollution
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ABSTRACT Antibacterial activity of medicnal plants has turned out to be a global concern. Medicnal plants are very useful in treating various diseases. Antibiotics are an important class of pharmacological agents used for treating antibacterial infections. Although antibiotics were first isolated from fungi and bacteria but over the years more and more synthetic antibiotics has been synthesized‚ which are in great demand. This present study has been done to determine the antibacterial activity of
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Contents Introduction General Precautions Wildlife Diseases of Public Health Concern Directly Transmitted Diseases Rabies Hantavirus Trichinosis Mosquito-borne Diseases Protozoa Helminthiasis Virus Tick-borne Diseases Colorado Tick Fever Rocky Mountain Spotted Fever (Tick-borne Typhus) Lyme Disease Tularemia Relapsing Fever Other Tick-borne Diseases Flea-borne Diseases Plague Murine Typhus Fever Commensal Rodent-borne Diseases Rat-bite Fever Leptospirosis (Weil’s
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brilliant green dye‚ all of which inhibit the growth of gram-positive bacteria. As the name suggests‚ SS agar should theoretically only allow the growth of Salmonella and Shigella. In fact‚ many gram-negative bacteria cannot grow on SS agar. However‚ some enteric bacteria are able to grow on this medium‚ due to shared characteristics with Salmonella and Shigella‚ though their proliferation is limited. Both EMB and SS agars are also differential as they contain lactose‚ which causes indicator dyes in
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manager‚ Fred Jones‚ was in his office‚ and “You need to hear what he has to say!” He put Fred on the phone. Mike listened as Fred told him that the seafood-stuffed pasta shells that Southern had just shipped to its biggest customer were tainted with salmonella. “That can’t be true‚” Mike responded. “We have the lab results that show it’s fine!” “I know‚” replied Fred‚ “but those results were falsified.” In tears‚ the quality assurance manager explained that he had taken the samples of stuffed pasta that
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Genetic Modification of Animals In the realm of science‚ there are continuous developments and discoveries every day. One particular development called genetic engineering is having a momentous impact on many of the foods we consume from day to day. It is more than likely that the chicken‚ pork‚ or any other form of meat we eat has been modified in some aspect. “The aim of genetic engineering is to introduce‚ enhance or delete particular characteristics of an organism.”1 Genetic engineering can
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experiment where in the absence of the external histidine source‚ the cells cannot grow to form colonies. Specifically these strains of Salmonella are defective in 1.) Repair of mutations (uvrB) and 2.) A rfa mutation (eliminating a portion of lipolysaccharide (a coating of outer bacterial surface)). The rfa mutation here fulfills two purposes: 1.) Helps Salmonella in growing in presence of sodium desoxycholate or crystal violet. and 2.) Increases the cell permeability allowing more mutagen to enter
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medical and economic importance such as E. coli‚ Staphylococcus ‚ Salmonella‚ Lactobacillus‚ Nitrosomonas‚ Streptomyces‚ etc. People have found that some types of Eubacteria can be very useful. Some are used at wastewater treatment plants to help clean the water. Others are also used to make grapes into wine and milk into cheese. Word origin: 1935–40; eu: in scientific coinages‚ means “true‚ genuine” + bacteria. e.coli salmonella lactobacillus Nitrosomonas streptomyces Archaebacteria
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11. Escherichia coli UTI/Gastroenteritis/HUS (O157:H7) 12. Klebsiella pneumoniae Respiratory Disease 13. Proteus vulgaris UTI 14. Salmonella entiritis Gastroenteritis/Multi-Focal Sepsis 15. Salmonella typhi Typhoid Fever 16. Serratia marcescens Burn/Wound/Nosocomial Infections 17. Shigella dysenteriae Gastroenteritis/Dysentery 18. Yersinis
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ANNOTATED BIBLIOGRAPHY Binckes‚ J. (2010‚ March 3). New study: Increased food inspection will save billions. Huffington Post. Retrieved March 2‚ 2010‚ from http://www.huffingtonpost.com/2010/03/03/ The author in this article talks about the intensified action against foodborne illnesses. In particular‚ it discusses about Rep. Rosa DeLauro ’s bill on increasing food inspection so that the victims of food-related pathogens are going to become lesser in number. Intensifying
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