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Biology Essay

Nash Disease (Nonalcoholic Steatohepatitis)
In the views of Kaplan (2011), about 20%-80% of the patients suffering from NASH had signs of hyperlipidemia in their blood. Hyperlipidemia disease is caused by excess lipids in the blood of an individual. This condition leads to blockage of blood vessels resulting to development of coronary disease that reduces amount of blood supply to the heart. This leads to hypertension due to straining of the heart in an attempt to circulate blood to the entire body. Resistance to insulin secretion is
Pages: 5 (1250 words), Essay
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Nepenthes Rafflesiana trap structure
(2010) Nepenthes Rafflesiana show heteroblastic development defined by pitcher dimorphism according to their growth and maturity. Terrestrial pitchers or lower pitchers are linked to the young species whereas the aerial or upper pitchers are associated with the mature and climbing life forms. The two pitchers thus also show different characteristics. While the aerial pitchers are elongated, shaped like a trumpet and greenish yellow in colour the terrestrial pitchers are more winged shaped,
Pages: 5 (1250 words), Essay
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Natures deadliest animals in brazil
Many people are afraid of another small creature, which is technically an insect rather than an animal, namely the spider. In Brazil there are several species of the biggest spiders of all: tarantulas. These include the Brazilian yellowbanded, the Brazilian salmon, the Brazilian black and the Brazilian graysmoke, as well as many others which are common across the South American continent (Tarantula facts website). The way that tarantulas capture and kill their prey is quite disgusting from a
Pages: 4 (1000 words), Essay
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Natural Cocaine Production in Plants
Plant, the synthesis of alkaloids in a particular species of the Solanaceae family was compared with the biochemical synthesis of cocaine in the coca plant (Secrets of Natural Cocaine Production Revealed, 2012). The plant known as belladonna, which belongs to the Solanaceae family, produces the tropane alkaloid known as atropine, and the synthesis of this alkaloid was compared with that of cocaine in the coca plant. Although the biochemical pathway and mechanism involved in the synthesis of
Pages: 5 (1250 words), Essay
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New loci for genetic resistance to malaria in humans
These mutations affect the nitric oxide metabolism, production and maturation of malarial parasites. For instance, the severe malaria is modulated by rate limiting enzyme haemoxygenase I (HO-1).Studies on the genetic make-up of the human body have been enhanced by construction of a complete human genome. Enhanced genomic studies have been conducted globally to understand the variant traits of diseases and conditions such as diabetes and/or malaria. The genome wide studies include studies
Pages: 6 (1500 words), Essay
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Narcosis ciliates
When the hydrocarbon portion becomes longer, as in the case of ethanol (2 Cs), propranol (3 Cs) and butanol (4 Cs), the alcohol becomes effectively more hydrophobic. A compound similar to alcohols, propranolol in particular, is glycerol, which has hydroxyl group attached to each of the three carbon atoms (Masterton and Hurley, 2008).One of the well-studied organisms known to extensively use cilia for movement is the free-living Tetrahymena pyriformis, which belongs to the order Holotrichia,
Pages: 6 (1500 words), Essay
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No topic
The formation of a microtubule fiber consists of a dimer bound with either GTP (straight) or GDP (curved), depending on whether the plus end undergoes shrinkage (catastrophe) or elongation (rescue) (Galjart, 2010).As shown in figure 2, the plus end of an elongating microtubule fiber contains a GTP cap which attracts dimers with GTP. The straight arrangement of the GTP-containing dimers ensures that the elongating or rescuing tubules are stable enough while expanding. On the other hand, as the
Pages: 4 (1000 words), Essay
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Not sure
The most basic ingredient of the flour is the moderate amount of complex carbohydrates and proteins. A cup of about 192 gram wheat contains about 4.7 grams of fats, 137 grams of carbohydrates and 26 grams of proteins.The presence of such kind of nutrients is not to provide nutrients to humans but to provide proper nourishment to the growing chick in the egg. The presence of protein ensures that the chick will have a proper and healthy physique.It is normally experimented that oil and water does
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Not sure
They can tolerate the existence of other harmful microbes and they won’t be touched or harmed at all.“That is right. In fact, these naturally occurring toxins in plants and animals are used by humans. They are extracted and made into various things such as medicines ad vaccines. They are used to produce enzymes that can be made as anti biotic to harmful microbes. Some of them can undergo slight genetic mutation to make them compatible to organisms such as humans and animals”.Willy further
Pages: 7 (1750 words), Essay
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Nosocomial Infections Issue
It was reported that there was an increase in the number of fatal cases of sepsis from 4% in 1991 to 37% in 1999 in the UK due to MRSA. By the 1980s MRSA had spread in the UK hospitals and along with resistance to Methicillin. There was a steady increase in oxacillin-resistant S. aureus in U. hospitals in the year 1997 which increased to 26
Pages: 4 (1000 words), Essay
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Numerous epidemiological studies have shown that children who grow up on traditional farms are protected from asthma, hay fever and allergic sensitization. Present and discuss the evidence supporting this hypothesis
(Lappalainen 2010, p. Studies on raw milk reports suggest that reduced risk of asthma is associated with whey proteins such as “BSA, α and β lactalbumin”. Milk processing process such as heating may degrade these whey proteins which are sensitive to heat treatment. Whey proteins from bovine milk give a great contribution to immune reaction and “excessive inflammation”. Raw milk also contains milk allergents such as b-lactoglobulin and a-lactalbumin, which on early consumption
Pages: 18 (4500 words), Essay
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Nutrition Paper
The person feels basically fine in his stage but starvation is becoming quite common in the second stage.The third stage occurs when the patient starts to starve himself. He starts wearing warmer clothes as starvation leads to cold. The patient also displays many other emotions as a direct result of starvation. These include depression, anxiety, paranoia, irritability, insomnia and exhaustion.It is difficult for immediate friends and families to ignore Anorexia Nervosa. The symptoms appear on
Pages: 4 (1000 words), Essay
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Nutrition and specific health issues
Lower levels of fatty acids and higher levels of amino acids after meals were reported in the blood of those participants who were fed with whey proteins.The study indicates about the heart benefits that whey consumption imparts in some populations. In one of the study, done by researchers from Washington State University, it has been found that those who consume whey supplement are benefitted by a six-point reduction in blood pressure. Those who never had any problem of hypertension were not
Pages: 6 (1500 words), Essay
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Nomenclature and Role of Polar Bear in the Ecosystem
This marks the beginning of preparation for new the new born cubs. Pregnant females dig maternity dens that have two or three chambers. They then enter the hibernation state where their heart beat slows. In most cases, a female bear produces twins, while in other cases singlets and triplets. Between November and December or earlier, cubs are born blind. The family remains in the den until April.A study conducted by Lindqvist et al., revealed that in the Atlantic domain more females matured
Pages: 2 (500 words), Essay
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Nanotechnology in Biology and Medicine
Most nanoparticles that are below 20 nm are utilized in the flow of blood. Also, nanoparticles that have magnetic features are utilized in the imaging of metastatic lesions found in the lymph nodes. They are used because they are able to move in and out of the circulation system via the vascular epithelium that is permeable. Nanoparticles avail the capability to move through the blood-brain hindrance that only glucose is permitted to move through. It is known that the blood-brain barrier does
Pages: 4 (1000 words), Essay
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