Facebook Pixel Code
x
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.

Biology Essay

Essay questions in Biology
Meanwhile, the changes in Darwins worldview from 1830 to 1860 mimicked the evolution of his thinking and theory from the time he set out as a naturalist in 1831 to the time of the initial publication of his theory and findings in 1858, when he became convinced of the validity of his theory of natural selection, of the mutability of species and the role that natural selection plays in the way all creatures evolve through time (Hayden; The Economist Newspaper Limited; Walmswell).With regard to my
Pages: 5 (1250 words), Essay
Preview Essay
Articles reviews
Evident that invention of computer has opened up new avenue for the scientists, psychologists and researchers to investigate about the cognitive functioning of mankind .Even though the author exerts importance on the concept of cognition, he also contradicts about the mystery surrounding the functioning of brain in human beings. The article completely ignores the existence of spiritual or divine power which could be the real hand behind the creation of cosmic intelligence.Here the author is
Pages: 6 (1500 words), Essay
Preview Essay
Prader-Willi Syndrome and its Linkage to Genetics
While Prader-Willi Syndrome is considered as a rare genetic disorder, it occurs commonly in a majority of genetic clinics, being obesity’s most common genetic cause as identified to date. Prader-Willi Syndrome is prevalent in people of all races, ethnic backgrounds, and gender (Cassidy & Driscoll 2009).The basis for most of the symptoms presenting in PWS may be due to the brain’s hypothalamic region’s dysfunction (Gelehrter 2008). The hypothalamic region of the fetus is vital during child
Pages: 8 (2000 words), Essay
Preview Essay
Clostridium botulinum (Microbial form and function)
The toxins are synthesised as single large polypeptides that work by affecting the cholinergic mechanism of pre-synaptic terminal of a motor neuron and cuts off transmission of acetylcholine across the neuromuscular connection, which results in neuromuscular obstruction, and subsequently causing flaccid paralysis (Sugiyama 1980).The single polypeptide chain of a Botulinum toxin has an average molecular weight of 150 kDa, and in this form, it shows a low potency (Todar 2009). When the toxin is
Pages: 10 (2500 words), Essay
Preview Essay
Darwins Theory of Natural Selection and Its Moral Purpose
That the validity and truth of the statement ultimately exists as a function of its existence, there are a number of moral parallels and understandings that can be constructed via immoral understanding of specifically what Darwin’s theory entails. From such a baseline of understanding, the analyst can and should note that the existence of natural selection necessarily precludes any higher power or any need for such a higher power within the world. Although this is quite obvious, the impacts
Pages: 5 (1250 words), Essay
Preview Essay
Human and Animal Interrelationships from Domestication to Present Book Report Guidelines
In addition, his new master in Seattle hits Buck with a club to the level of submission. As the relationship changes, Buck’s attitude towards human beings changes because he begins to realize that humans can be his enemies. This change arouses other attributes as he adjusts to the new life.In chapter two, the author describes the new situations that define Buck’s new life. One of the shocking events that he witnesses was the death of Curly, after an attack by fellow dogs. Buck begins to
Pages: 5 (1250 words), Essay
Preview Essay
Discuss the Biochemical Principles Behind Mammalian Metabolism Making Reference to a Choice of Lipids, Carbohydrates or Toxin Metabolism
Glucose is in the form of glycogen when in the liver and muscles. This conversion of glucose into glycogen occurs through glycogenesis. Conversely when glucose is in low supply in the blood, it is obtained through the breakdown of glycogen which is supported by the hormone glucagon.Glycolysis is the key process in energy synthesis or carbohydrate metabolism. The process involves the conversion of glucose into pyruvate as well as ATP or energy. Therefore, one may state that pyruvate and energy
Pages: 7 (1750 words), Essay
Preview Essay
Why are allergies so prodominent in Georgia
And phosphorous, which are scarce have no cycling process, hence they are reused several times before being released from the system (Erik, 2009).Ecosystems are controlled by both external and internal factors. Internal factors that tend to control ecosystems are succession, disturbance and the types of species present. One of the external factors is climate as it defines the weather patterns of a location in the long-run. The parental material also which forms the topography and soil controls
Pages: 4 (1000 words), Essay
Preview Essay
Stem cell research and its future
Food and Drug Administration has approved its adult stem cell protocol to conduct Phase I clinical trials to treat Amyotrophic Lateral Sclerosis (Lou Gehrig’s disease) and TCA Cellular Therapy. This is the second FDA-approved protocol for the treatment of ALS using stem cells in the country; and the first using adult stem cells from the same patient. The aim of the Phase I study is to assess safety of IND 13729, as a stem cell therapy for the treatment of amyotrophic lateral sclerosis (ALS)
Pages: 5 (1250 words), Essay
Preview Essay
Genetics and molecular biology
In this regard, various meet products from different food supply in the United Kingdom were exposed to investigation to determine whether or not the meet products contained certain percentages of horse meet. To begin with, Findus, a major beef product supplier was exposed towards the test. On the other hand, Tesco, the Co-Operatives as well as the Aldi, companies that suppler meat burgers prepared by Rangeland, were also subjected to the tests in order to verify the quality of their burger
Pages: 9 (2250 words), Essay
Preview Essay
CRITICAL APPRASISAL
However, there has been contradicting information from various science fields concerning MMPs, Extra Cellular Matrix degradation and cancer cell division. Some of the studies have associated MMPs inhibition to synthetic and natural inhibitors hence inhibition of the cell invasion. However, abnormal expressions of various forms of MMPPs have been correlated with pathological conditions in arthritis, tumor cell invasion and the general metastasis. Whenever a substance will be used to stimulate a
Pages: 6 (1500 words), Essay
Preview Essay
The allergy epidemic: causes and potential solutions
Susceptibility to allergies results from inheritance of mutant genes (Holloway, Yang and Holgate 2010, p. More so, twins study revealed that hereditary transmission of allergic diseases such as rhinitis is possible (Snow, Wackym and Ballenger 2009, p. Some of the suggested environmental forces that significantly contribute to increased allergic conditions in childhood include maternal tobacco smoking. Parents’ smoking behavior has been strongly associated with increased prevalence of
Pages: 7 (1750 words), Essay
Preview Essay
1.Water should be privatized rather than made a public good. 2.Water should be piped out of the Great Lakes to provide to water-restricted states
Those who claim that providing clean water by the government is a responsibility duty fail to understand that the government has to invest a lot (Frerot 104). The government cannot afford the investment needed in ensuring removal of dirty wastewater and human wastes in sanitation systems hence making privatization necessary (Mandri-Perrott 24).Water is a limited natural resource and humankind should handle it carefully. If water provided to homes for household activities fail to become an
Pages: 8 (2000 words), Essay
Preview Essay
Final Essay
An example of deletion of chromosomes is the Cri du Chat which is caused by a missing part in the #5 chromosome. Duplication is the repetition of a part of a chromosome as a result of fusion of a fragment of a homologous chromosome. It is a result of an error in meiosis or mutagens. An example of duplication is the Pallister an syndrome part of the #12 chromosome is duplicated. Inversion is a change in chromosome as a result of a reattachment of a fragment chromosome to the original
Pages: 4 (1000 words), Essay
Preview Essay
Ecological effect of ecosystem on sea turtles
It, therefore, means that if turtles become extinct, there will be a decrease in sea beds and other species that depend on the grass beds for food and shelter. Every part of the ecosystem is important, if one is lost, the rest will eventually follow in the same manner (Heileman and Walling 10).Dune systems and beaches do not receive many nutrients within a year. Due to the lack of nutrients, no vegetation is present in beaches and very little grows in the dunes. One reason for the lack of the
Pages: 4 (1000 words), Essay
Preview Essay
Virulence of campylobacter coli /result,figure and discussion
Blood Agar plates (Oxoid code Cm331), oxidase, catalase, and hippurate tests were requested further affirmation and speciation as demonstrated in the figure 1.2 Representation of DNA products (Lane M. molecular marker DNA ladder 100 bp samples 1-10) from PCR using C. coli (col) primer. In addition, an indication of positive and negative Campylobacter species from 8 chickens control containing genomic DNA of C.coli and free nuclease water instead of genomic DNA respectively.From figure 1.2,
Pages: 20 (5000 words), Essay
Preview Essay
Molecular biology
Significance of antibacterial and antimicrobial drugs seems to fade with the rise in the bacterial strains exhibiting resistance to single as well as multiple drugs. Hence drug resistance has become an exponentially rising global health hazard rendering world population once again vulnerable to the threats of common diseases (Levy & Marshall, 2004). Both Gram positive and Gram negative bacteria have been known to exhibit multi-drug resistance leaving health care providers with no antimicrobial
Pages: 12 (3000 words), Essay
Preview Essay
Introduction of campylobacter
It was until 1970 that C. jejuni was identified as an agent which causes gastroenteritis after it had become practicable to culture the bacterium in vitro (Garenauxet al.Among the most prevalent pathogens borne in food in developed countries and developing, nations are Campylobacter. It induces gastroenteritis that is distinguished by bloody or watery diarrhoea. It may be accompanied by Guillain-Barre syndrome (GBS), Reiters syndrome, reactive arthritis and haemolytic uremic (HUS) syndromes
Pages: 19 (4750 words), Essay
Preview Essay
Stem cells
That potential of embryonic stem cell therapy to repair process is the greatest; however, ethical concerns forbid deep research in this area because embryonic stem cells can be obtained only by the destruction of embryo.Austin, as you may be aware that the spinal cord is one of the most important parts of the human body because together with the brain it constitutes the central nervous system of the human body. Any spinal cord injury disrupts the nerve fibers also known as axon in the medical
Pages: 4 (1000 words), Essay
Preview Essay
Exam 2
Margulis was encouraged to clearly do research in order to fully gain acceptance on the cell evolution theory. Thus, she based her cell evolution on the past study of Ivan Walliam .As a result, by the end of a decade after his first book on 1970 she came up with analogies that were greatly accepted worldwide. She ended up gaining popularity on the Set theory than the autogency theory that emphasized on the end symbiosis.For instance Margulis in her Set theory she confirmed that few
Pages: 4 (1000 words), Essay
Preview Essay

More Biology Essay

65 - 108 results of 563 items
WE CAN HELP TO FIND AN ESSAYDidn't find an essay?

Please type your essay title, choose your document type, enter your email and we send you essay samples

Contact Us