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Biology Essay

Using DDT In The Systematic Environmental Control Of Insects
The use of DDT to control the spread of malaria in tropical areas of the world in the 1960s and 1970s resulted in the rapid decline of this disease; however, its use was limited in areas of the world where the incidence of malaria is high, including sub-Saharan Africa (Beier et al. Since then, areas of high malaria incidence have adopted the extensive use of DDT.
Pages: 10 (2500 words), Essay
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Utricularia australis trap structure
From the roof of the bladder, there is a beak-like extension that forms a canopy over the entrance curving downwards frontwards such that the base of the beak-like canopy is opposite the base of the trap. The entrance of the bladder is tubular with a very much in-slopping-like door.Similarly, on the external side of the trap door there are trigger hairs, which when touched by a prey organism, they stimulate the opening of the trap door thereby making the prey to suctioned into the trap before
Pages: 5 (1250 words), Essay
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Ulcerative colitis
Decreased oxidation of short chain fatty acids, increased intestinal permeability, an increase in the production of sulfides, and decreased methylation,’ (Head, and Jurenka, 2003). Certain cytokines along with anti-oxidant levels as well as the presence of bacteria interfere with normal system functions. These systematic functional abnormalities each contribute to symptoms of ulcerative colitis. For example increased oxidative stress is manifested in the intestinal mucosa of patients. Bowel
Pages: 4 (1000 words), Essay
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Utilize a genomic case study (other options)
However, in the past, a new lab blood test was always added when a new condition was added to the program. Tandem mass spectrometry was discovered in the 1990s and could test for MCADD, PKU, and various other disorders at the same time (Tarini & Goldenberg, 2012). It measures the levels in the blood of various products of metabolism, of which any abnormalities in metabolite levels are suggestive of disorders in metabolic activity. Children rights activists continue to press governments to take
Pages: 4 (1000 words), Essay
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Using Research Evidence. (paper subject - Health and social care)
Evidence can be said to be either valid, relevant, reliable or valid and relevant or valid and reliable. When it comes to evidence based practice, there is need to use the best evidence for decision-making. For this reason, the evidence needs to be one that can be reliably be depended upon since life is at stake. They would want o use the best evidence available from the previous research. Evidence may be valid with regards to a particular case or person, but may fail the relevancy test for
Pages: 8 (2000 words), Essay
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Use of animals in medical research
The statistics show that 95% of the animals used in medical experiments are not protected by Federal Law; another poll showed that only two countries in the world allow experimentation on Chimpanzees that is the United States and Gabon. Most biomedical scientists are of the opinion that the use of animals in medical research is essential.
Pages: 7 (1750 words), Essay
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