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Biology Essay

Possible causes of destruction from space ( solar storms and possible impact from an asteroid or comet) that could lead to an apocalypse
Have the potential to drastically jeopardize the modern life by causing natural disasters, earthquakes, Tsunamis, disrupting communication technologies, giving way to genetic mutations, jamming radio and satellite signals, and a plethora of other scientifically valid possibilities. It is a possibility that the very life nurturing potential of the sun could someday lead to an apocalypse.Coronal Mass Ejection (CME), simply put is a large scale burst of magnetic fields, solar wind and plasma from
Pages: 4 (1000 words), Essay
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Creationism vs Darwinism
Surprisingly he gave birth to the idea of natural selection while preparing for his own wedding and was condemned by his Christian fiancé to give up on such heretic thoughts (Marty, 2009). In 1860, in a meeting in Oxford, a heated debate arose whereby Henry Huxley, a supporter of Darwin and others who included the Bishop and some military men took part in the discussion. Darwin had little part to play in this since he was not in the meeting but eleven years later he shared his own views in The
Pages: 5 (1250 words), Essay
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Genetics Science Fiction Short Story
Green arrows led him to heavy green door, and he followed this into a sparkling new lab, dragging his air hose with him as he went, and slotting it into a new fitting once he was inside the green room.The lab was permanently lit by a ghostly grey-blue light source on the ceiling. He approached a bank of incubators and took out one or two of the trays. All the samples inside were in test tubes with complex identification codes. He had no idea what they all were and realized that his mission
Pages: 4 (1000 words), Essay
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The order of evolution of pelagic larval form and benthic adult form for marine invertebrates
The intercalation of larval origins occurred during the Cambrian period that brought along radical changes. The Cambrian period resulted to formation of diverse phyla of these organisms. The diversity is a reality on observation of the modern phyla. Evolution resulted to basal clades that define the precursors of modern phyla. Evolution of planktonic larvae was a secondary pathway. The larvae-first theory asserts that larvae existed in the Precambrian era (Nielson 208). However, studies defy
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Outline some of the molecular changes that are thought to contribute to the progression of oral cancer. Use specific examples and explain the mechanisms by which these factors exert their action
Of oral cancer from dysplasia to the stage of metastasis is associated with multistage pathologic changes caused by molecular alterations.10 The pathologic phenotypes involved in cancer progression include increase in cell proliferation, horizontal spread and survival, which are associated with molecular changes such as altered expression of molecules such as p53 that regulate cell cycle, altered growth factor response, altered protein metabolism and synthesis, and cell immortality associated
Pages: 10 (2500 words), Essay
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The Use of Sweetners and the Rise in Obesity
It was after Dr. Bertoni’s discovery that such a little known and rare plant became well known and famous. His discovery enabled the plant to be accessed by many people other than only those who had access to its naturally occurring habitat. These being the native Indians who originally occupied the land before the explorers came. In 1908, the first dried leaves of the plant got harvested and produced as a sweetener. It was not until 10 years later that the plant got brought to the attention
Pages: 5 (1250 words), Essay
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Roles Women Played in the scientific Revolution of the 18th century and Science today
Francois Poullain (1673) challenging a bestial majority that held women were intellectually inferior to men, had observed, “the mind has no sex” and the argument around this statement continues in new forms even today (as cited in Schiebinger, 1991, p.The major hurdle that existed in the 18th century as well as today, has been that women have much less access to education as compared to men (Rosser, 2008, p. One of the earliest available information in this area has revealed that as
Pages: 7 (1750 words), Essay
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(KANGAROO) Organisms that are considered to be iconic to a particular region (For this assignment: Kangaroo to Australia)
This article contains information on cultural importance of kangaroo in the culture of Australia. It gives detailed information on the various symbols of Australian identity for example the coat of arms .All the importance of kangaroo in the culture of Australia is well covered showing how kangaroo is important in sporting activities.The article is a recommendation to the Kangaroo Management Advisory Committee on measures for controlling the Kangaroo population. The article gives the highlights
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Discuss the diagnosis and differential of vibrio species
This vibrio species is also associated with septicaemia and wound infections. It is in the same family of bacteria that cause cholera and lives in brackish saltwater and naturally inhabits coastal waters. It is a salt-requiring or halophilic organism present in higher concentration during the season of summer. It causes gastrointestinal illnesses in human beings. Vibrio parahaemolyticus occurs when people eating undercooked or raw shellfish especially oysters. This vibrio species was first
Pages: 10 (2500 words), Essay
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Why is hepatitis E of increasing importance for developing as well as developed countries
Hepatitis E can also be as a result of placing a utensil or any other infected object into one’s mouth. It is as a result of the above mentioned reason that Hepatitis E virus is spread with ease in those areas where sanitary conditions are considerably poor or where humans hardly observe good personal hygiene. A great percentage of the infections are as a result of contamination of water supplies- and more especially after monsoon floods. It is also likely that animals can spread HEV since a
Pages: 6 (1500 words), Essay
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Discuss how the constant improvement of diagnostic techniques drives improvements in our understanding and treatment of disease processes
As a result of these improvements in cancer diagnostic techniques, today people are increasingly aware of the benefits of early detection of cancer. In addition, such improvements have led to the development of more effective cancer treatment procedures.Acquired immunodeficiency syndrome (AIDS) is a disease affecting the human immune system and is caused by the human immunodeficiency virus (HIV). During the initial period of infection, the affected person may experience influenza like illness.
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Article paper
However in other countries such as France, the physicians make sure that the supply of blood is safe making the chances of contracting the HIV through transfusion to be lower. There are two main issues affecting the blood banks which include the supply of blood and contracting of HIV disease through blood transfusion.There is a big challenge in finding the blood substitutes making the blood to be very complex. The blood substitutes are made up of the blood cells, the salt as well as other
Pages: 5 (1250 words), Essay
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Human genome project (PCR)
A non-diabetic woman with the (PCOS) polycystic ovary syndrome, a widespread endocrine disorder that is linked with insulin resistance, similarly demonstrates lower SHBG levels. In this report, we evaluate studies investigating the connection between SHBG polymorphisms and PCOS. Numerous studies in women with PCOS prove that certain genetic polymorphisms are connected with circulating SHBG levels, but they are not constantly connected with PCOS. (Chen et al.The SHBG has a number of functions
Pages: 12 (3000 words), Essay
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Continuation : The role of controlled drug release in cancer therapeutics
The effectiveness of these drugs is being hindered by the hydrophobic nature of these drugs. Nanotechnology is one of the solutions to these blockages (Gubin, 2009, p.The human body has mechanisms to control whatever is entering the body besides regulating the concentrations of the intracellular fluids. This leads to most of the drugs to have little efficacy unless used in huge doses which will in turn lead to toxification. The main problem in cancer treatment is the multi drug resistance of
Pages: 8 (2000 words), Essay
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DDT and Malaria
As per McGinn (2002), DDT has been identified as one of most polluting chemicals in the world because it does not disintegrate easily and its traces can be detected in the milk of mothers. Its use is cost effective and that is its biggest plus point. Another advantage with DDT is that its effect on mosquitoes lasts up to six months while other insecticides lose its effectiveness within a few days. However, the biggest danger of DDT is that it dissolves in fat easily. Due to this, it remains in
Pages: 4 (1000 words), Essay
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Mater and method of the dissetation
The media was left to cool to 550C temperature before being poured on one of the chicken carcass available.The growth of non-fastidious wide assortment of organisms was supported by a general purpose medium called nutrient agar, and typically contains 0.3% beef extract/extract of yeast 0.5% Peptone 0.5% NaCl 1.5% agar distilled waterpH that was adjusted to the level of neutral at 25 °C (Oxido,Uk).The Nutrient broth No 2 (Cm0067) was prepared by adding 10.50 g of the powder to 500ml and left to
Pages: 16 (4000 words), Essay
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Gas Exchange and Transport
As shown in figure 3, the activity of the external intercostal muscles, diaphragm, and respiratory muscles is regulated through nerve impulse transmission from the brain, specifically through the intercostal and phrenic nerves (Honda, 2012: p43). Respiratory depth and rhythm is essentially controlled in the pons and the medulla. Whereas the medulla sets the breathing rhythm through the self-exciting inspiratory centre, the pons centres smooth out these basic expiration and inspiration rhythms.
Pages: 8 (2000 words), Essay
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Death with Dignity
According to Yuill, allowing for assisted suicide would mount pressure upon people feeling that they have become a burden to their families and even healthcare providers to include more categories of people in the death with dignity category (32). This could go forth and even become euthanasia or further to involuntary euthanasia. Thus, allowing for death with dignity presents grounds for abuse of the practice, specifically when driven by greed as opposed to love. Those who should inherit from
Pages: 5 (1250 words), Essay
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Gibberellic Acid In Fruits
Teijiro Yabuta and Sumuki named one of these compounds gibberellin A because they isolated it from the fungus Gibberella.In 1950s scientists from Tokyo, University isolated and classified three different gibberellins from gibberellin A sample, which he named them gibberellin A1, gibberellin A2 and gibberellin A3 (Cline & Trought, 2007). This system for numbering gibberellins used in the past 50 years was based on this initial nomenclature of gibberellins A1 (GA1), GA2, and GA3. Gibberellins
Pages: 6 (1500 words), Essay
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Algae versus ethanol as fuel
From the Center for Coastal Studies indicates that it requires 3000 liters of water to grow enough algae that can yield 1 liter of oil when using open ponds. The other challenge is the space required for the algae growth. Large fields are required to ensure enough algae can be produced to meet the energy demand around the world.Several issues arise when it comes to using ethanol as a source of fuel. Production of ethanol is achieved through the rise of food product such as wheat that would have
Pages: 4 (1000 words), Essay
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