Wars have been occurring since the dawn of time. Wars are states of armed conflict between societies that bring death‚ destruction‚ merciless slaughter and butchery‚ and starvation‚ poverty‚ ruin and disease in its wake. Apart from casualties during wars‚ a significant cause of death during most wars is disease. A clear example of this is the Mexican War of Independence. It was much more difficult to prevent deaths from tuberculosis during this war because of lack of knowledge of the disease‚ a
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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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cause of pneumonia. The most common pneumonia-causing bacterium in adults is Streptococcus Pneumoniae. Respiratory viruses are the most common causes of pneumonia in young children‚ peaking between the ages of 2 and 3. By school age‚ the bacterium Mycoplasma Pneumoniae becomes more common. In some people‚ particularly the elderly and those who are debilitated‚ bacterial pneumonia may follow influenza or even a common cold. People who have trouble swallowing are at risk of aspiration pneumonia. In
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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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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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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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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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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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Ch. 2: Fundamentals of Epidemiology Causality: determining the cause of a disease Screening test: test given to people who have no symptoms to check for the presence of a particular disease Natural History of Disease: the course of disease if left untreated Latency period: time from start of disease process until signs/symptoms appear (Incubation period: time b/w infection & clinical disease) Nonclinical stage: no signs/symptoms present – pathologic changes occur Preclinical – sings/symptoms
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