Conclusion: The plotted data defines Staphylococcus simulans’ optimum pH level to be 8.0. Based on this‚ I conclude that Staphylococcus simulans is a neutrophile growing best near a neutral pH level. From the results of groups EC-1 and EC-2‚ Escherichia Coli is a alkaliphile. However‚ based on the fact that E. coli is gastrointestinal pathogen‚ it seems more viable to believe that E. coli is an acidophile. Not only can E. coli withstand the acid of the gastrointestinal tract‚ but it thrives in
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heart failure. Food poisoning is a side effect from fast food that a lot of people just look over without even realizing that is actually is bad side effect. The processed meat in fast food restaurants is often contaminated with manure that has Escherichia Coli and Salmonella which can both lead to death. Even after the medicines kill the bacteria; it can still cause harmful effects. The diseases are spread through not fully cooked hamburgers and are a leading cause of renal failure in children.
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CHAPTER I INTRODUCTION Background of the Study Mangrove swamps are forested intertidal ecosystems that occupy sediment-rich sheltered tropical coastal environments. By trapping and stabilizing fine sediments‚ mangroves control the quality of marine coastal waters. Aside from maintaining coastal food webs and populations of animals‚ mangroves have an important role in pollution control through their absorptive capacity for organic pollutants and nutrients‚ and they play an important role in storm
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due to the single celled nature of bacteria. In this lab‚ the engineered pGLO plasmid is integrated into E. Coli bacteria‚ and adds the genes which code for the proteins GFP in the modified bacteria’s genome (Hanahan‚ Studies on transformation of Escherichia coli with plasmids‚ 1983). To see the reaction of this plasmid on the cells‚ bacteria treated with the plasmid were grown on two separate agar plates containing LB nutrient broth and ampicillin‚ and another containing LB nutrient broth‚ ampicillin
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Tuberculosis is an infectious disease that triggers the formation of small swellings on mucous membranes. The disease itself is caused a bacillus called Mycobacterium tuberculosis and mainly affects the lungs‚ however the central nervous system‚ the lymphatic system‚ the circulatory system‚ the genitourinary system‚ bones‚ joints and even the skin also has a chance of being affected. Our body’s immune system responds to this infectious disease by having a group of white blood cells to try to identify
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History of DNA Technology During the early1960s‚ there was great progress being made in beginning to understand the structure of genes and the mechanisms of their replication‚ expression‚ and regulation in prokaryotes and the viruses that began to infect them (Berg 2010). However at the time it was still unknown as to whether or not these findings applied to eukaryotes. This is because the tools used at the time for exploring genetic properties were not fit for the task. By the spring of 1972‚ the
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living in the water. Persistent organochlorine insecticides‚ such as DDT‚ deposited in lake sediments can bioaccumulate‚ harming the fish and birds that eat them.Human and animal fecal waste contain disease-carrying organisms such as the bacterium Escherichia coli (E. coli) and pathogens that causes cholera‚ typhoid‚ and cryptosporidiosis. Cholera is rarely seen in the United States‚ but E. coli outbreaks are not rare‚ and in 1993‚ more than fifty people died‚ and an estimated 400‚000 became ill from
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Anthropology 1: Human Evolution Recombinant DNA technology is defined as a series of procedures that are used to recombine DNA segments. A recombinant DNA molecule is constructed from segments of two or more different DNA molecules. Under certain circumstances‚ a recombinant DNA molecule can enter a cell and replicate‚ either on its own or after it has been integrated into a chromosome. Some examples of DNA technology are the insertion of bacterial DNA into certain crops‚ cloning‚ and genetically
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Multiplication of contaminant bacteria in urine and interpretation of delayed culture. Abstract A prospective study of the bacterial populations of non-infected urine was mounted in an attempt to define the length of delay between voiding and analysis during which culture would not give false positive results due to the multiplication of contaminant bacteria present at the time of voiding. The findings suggest that culture of urine within four hours of voiding is likely to give a true indication
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then starved of nutrients (glucose and nitrogen) – PHB is produced as an energy store for the bacteria. - In 1980’s Maddison University (Virgina) successfully cloned the 3 genes of A. Eutrophus that control PHB production and transferred them to Escherichia coli – an easier bacteria to work with allowing easier manipulation of the polymer depended on the need. - In 1990’s the 3 genes were cloned into sugar beets and turnips – much larger scale production of polymer. Work continuing (with Monsanto
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