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Science Essays

Result for Subject Science:
866 essays
The Next Influenza Pandemic Science Essay
5 pages (1444 words) , Download 4 , Essay
Free
A flu pandemic takes place when a new influenza virus emerges for which people have little or no immunity, and for which there is no vaccine. An influenza pandemic occurs when a new subtype emerges that has not formerly circulated in humans. The disease spreads easily person-to-person and can sweep across the country in very little time.
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X-Ray Technician Workloads Science Research Paper
11 pages (2750 words) , Download 2 , Research Paper
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This study aimed to identify a relationship between x-ray center workload across five days and patient satisfaction. Patients were approached when appearing for their appointment at reception and 30 completed a survey constructed for this study. The survey was made up of 12 items on 5-point Likert scales.
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Measurement of Lactate Dehydrogenase Isoenzymes Science Essay
6 pages (1865 words) , Download 3 , Essay
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Cellular signalling is a fascinating process, where protein receptors, transducers, accelerators, inhibitors, and many other substances interact to produce a cellular response. Enzymes play a critical role in cellular functioning, and a single enzyme deficiency may cause our cells to fail.
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Environment xenoestrogens Science Essay
3 pages (750 words) , Download 2 , Essay
There is currently substantial attention in endocrine interruption which is a new region of endocrinology concerned with the chemicals that impersonate hormones, specifically the sex steroids. The hypothesis is that exposure to such type of chemicals may be to blame for the unfavourable effects to both wildlife and humans.
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The Presidential Biomedical Committee Science Essay
2 pages (673 words) , Download 2 , Essay
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The discussion proved to be very interesting and professional. An ensemble of experts has been analyzing the story not from only medical or biomedical points of view, but also from the positions of psychiatry, psychology, etc. They even addressed historical outlines when talking about the science of ancient Greeks.
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The Regulation and Function of Calcium in the Human Body Science Essay
3 pages (1068 words) , Download 3 , Essay
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Calcium is a mineral that is found plentifully in nature and the human body. This important mineral plays an essential role in bone assembly: 99% of the calcium in the organism is stored in bone tissue. Calcium is crucial for various physiological purposes, including nervous transmission, muscular contraction, blood clotting, and heart performance.
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Pure Strategy Science Math Problem
4 pages (1000 words) , Download 2 , Math Problem
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Characterization of Gene and Its Product of Given Sequence Using Bioinformatics Tool Science Essay
3 pages (1134 words) , Download 2 , Essay
The gene was found to be Nuclear factor I/B (Nfib) and has multiple roles in cell cycle regulation, particularly down-regulates cell proliferation. Gene therapy, integrating vectors carrying therapeutic transgene sequences offers the potential for a permanent cure of genetic diseases by stable vector insertion into the patient`s chromosomes.
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Geomatics, Profession or Industry Science Essay
7 pages (2131 words) , Download 2 , Essay
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Geomatics refer to all those Geographic information, which is analysed and processed in the light of professional guidance and advice and under the supervision of qualified survey experts. Land surveying is one of the versatile and immense fields of research in Geomatics, which involves two broad perspectives: A profession and an industry.
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Theory of Endosymbiosis Science Essay
4 pages (1000 words) , Download 2 , Essay
This theory is most efficient in being able to explain the origin of chloroplasts (in this case a photosynthetic prokaryote such as a cyanobacterium would be the endosymbiont) as well as mitochondria (perhaps an aerobic heterotroph). The progenitor of the mitochondria or chloroplast could have gained entry into a host prokaryote as undigested prey or as an internal parasite after which the "arrangement" quickly became mutually beneficial to both partners (the "host" cell and the endosymbiont).
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Corporate Social Responsibility and Climatic Change Science Essay
10 pages (3105 words) , Download 2 , Essay
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During 2006, the effects of global warming were becoming more evident as global average surface temperatures have risen during the last 30 years. Global temperature s are now within one degree Celsius of the maximum temperature of the past million years and this has been demonstrated by melting glaciers in the Arctic, the lack of snow at ski resorts.
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Operational Amplifiers Science Lab Report
4 pages (1000 words) , Download 2 , Lab Report
All op-amps have two inputs connected in a differential mode, so that output voltage is Vo= A(V+ - V-) where V+ is the voltage at the non-inverting input and V- is the voltage at the inverting input. A is the open loop gain of the op-amp. In our case the Vo=A [15-(-15)] = A(30).
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Climate Change, Building Design and Construction Science Essay
8 pages (2211 words) , Download 3 , Essay
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It is unfortunate that human discoveries, advancements, technological innovations, stupendous scientific creations and enhancement of knowledge all culminated into an unimaginably destructive climate change and ecological imbalance of the Globe that has become a Sword of Damocles on the World today.
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Polymerase Chain Reaction, Fingerprinting for Crime Detection Science Essay
5 pages (1397 words) , Download 3 , Essay
Free
The invention of Polymerase chain reaction (PCR) by Kery Mullis in 1983(1) has revolutionized the way DNA was looked upon. PCR, as the name suggests, is an enzyme-based in vitro technique by which one can generate millions of copy of given DNA in a short time. The major constituents of PCR are DNA polymerase, short DNA fragment as a primer, dNTPs, DNA template.
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Subject Position and Discourse Analysis Science Essay
8 pages (2341 words) , Download 4 , Essay
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Subject positioning boy/girl, mother/son, husband/wife, and others interaction. The discursive practices then must distribute these situations. Also, the person Peter Smith is male and at the same time white and a student and a California resident and has blond hair and is presently using a white shirt and fat and the like.
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Computer Platforms Questions Science Research Paper
5 pages (1250 words) , Download 3 , Research Paper
NAND gates are considered better to create functions such as XOR as they require fewer transistors and switch faster than AND, OR or NOR gates. Hence the digital devices using NAND gates are faster and cost effective. Apart from Ones and twos complement Sign and Modulus or Sign-Magnitude system can be used to represent negative binary numbers.
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The Dialectics between Natural and Artificial Science Essay
11 pages (2993 words) , Download 2 , Essay
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Modern technology has created material prosperity that is unequalled in our history. It has also created environmental threats of almost inconceivable magnitude. The build-up of carbon dioxide produced by burning coal and oil now threatens to result in a global warming trend that could cause worldwide climatic changes.
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Textual Cohesion in Newspaper Articles Science Book Report/Review
11 pages (3066 words) , Download 2 , Book Report/Review
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Linguistic features contribute to textual unity, which is described by the concept of cohesion apart from other concepts. The textual representation is a central task in the understanding of the text, requiring a format that allows for the interrelation of texts even if they do not share content words but are dealing with similar topics, nonetheless.
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The Role of Typological Universals in SLA Science Essay
5 pages (1384 words) , Download 2 , Essay
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Being aware of the differences means avoiding direct translation from L1 to L2. Assuming that the L2 works on the same structural principles as your native tongue will ensure you make numerous grammatical, syntactical, and vocabulary errors. Research into Typological Universals ‘aims to establish the limits within human language’.  
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Michael Porters Five Forces Science Essay
6 pages (1969 words) , Download 5 , Essay
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Without the understanding, a strategy can be at risk of being unrealistic.  Michael Porter’s 5-force analysis is a tool for the structural analysis of industries. 5 forces always shape the competitive structure of the industry: Suspire, Barriers to Entry, The Threat of Substitutes, Buyer Power, and Industry Rivalry. 
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Auroras - Northern and Southern Lights Science Essay
8 pages (2224 words) , Download 2 , Essay
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Auroras (otherwise known as northern and southern lights) are often visible from the surface of the Earth at high northern or southern latitudes and typically appear as luminous bands or streamers that can even extend to altitudes of 200 miles. Auroras are displays of diffuse changing colored light which is seen high in the earth’s atmosphere, often taking the form of streamers or drapery and usually green or red.
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Research for Study Purposes Science Essay
4 pages (1000 words) , Download 3 , Essay
Juznic and Urbanija (2003) give a basic definition of research as; " an inquiry process that includes the components for collective inquiry, research design, methodology, data collection and analysis, concluding with the communication of the findings. It later appears in a published form." (Juznic and Urbanija: 2003, 234)
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Qualitative and Quantitative Research Methodologies Science Essay
16 pages (4607 words) , Download 7 , Essay
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Research efforts can be described as "a systematic inquiry that uses a disciplined method to answer questions or solve problems". From this viewpoint, it is apparent that the aim of every research effort is to create knowledge, in the relevant field, to develop, refine and expand the horizon of what is known.
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Relationship Between IVF Treatment and Miscarriage in the UK Science Article
8 pages (2591 words) , Download 2 , Article
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The past three decades have witnessed significant advances in the field of assisted human conception. Along with improvements in the areas of ovarian stimulation, embryo culture, and cryobiology, the discipline of assisted reproductive technology has witnessed the introduction of assisted fertilization through intracytoplasmic sperm injection.
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Environmental Issues in the Pacific Islands, The Philippines Science Case Study
7 pages (1921 words) , Download 3 , Case Study
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The Philippines is a developing country that is rich in natural resources, but it is one country that has serious environmental problems. Among these are urban congestion, water shortage, diminution of forest resources, degradation of coastal and marine resources, loss of biodiversity and habitat destruction, land-use conversion, and water and air pollution.
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Physical & Chemical Changes Science Assignment
4 pages (1000 words) , Download 2 , Assignment
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Double replacement reaction. In a double replacement reaction parts of two compounds switch places to form two new compounds. Two reactants yield two products. For example, when silver nitrate combines with sodium chloride, two new compounds — silver chloride and sodium nitrate are formed because the sodium and silver switched places.
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Cultural References in Translation Science Essay
4 pages (1000 words) , Download 2 , Essay
The conceit of Group is a two-face one, as its existence depends on two different kinds of relationships: the first one is based on identity, as a group is made up of 'similar' people sharing the same believes and having, between certain limits, the same features; the second kind of relationship is diametrically opposite to the first one and consists in the conceit of diversity.
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Current Models of Object Recognition to Explain Object Constancy Science Essay
9 pages (2774 words) , Download 3 , Essay
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Object recognition is a complex phenomenon, involving constant object representation while dealing with inconsistent visual stimuli. Our perception of an object’s identity can endure no matter what forces act on the object in the environment. The object may be compelled to reorient itself, alter in perspective and even fleetingly disappear.
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Environmental Degradation of Pasig River Science Case Study
19 pages (5220 words) , Download 2 , Case Study
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Environmental degradation is a problem faced by every nation in the world. Man’s unabashed exploitation of the environment and its resources has continually placed the globe’s ecological well-being in a precarious position since the advent of the 20th century. The continuous and unchecked growth of populations has given additional pressures on it.
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Role of Phytooestrogen in the Prevention of Breast Cancer Science Coursework
18 pages (5860 words) , Download 2 , Coursework
Free
Phytoestrogens are a group of biologically active compounds with a chemical structure similar to steroidal oestrogens and are found are many edible plants. Phytoestrogens are found in the seeds, stems, roots or flowers of plants, serving as natural fungicides and acting as part of the plant's defence mechanism against microorganisms.
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Fluvial Geomorphology Science Essay
7 pages (1952 words) , Download 2 , Essay
Free
Highly dynamic, river channels adjust and evolve over timescales that range from hours to tens of thousands of years or more and are found in a wide range of environments. An understanding of fluvial geomorphology has proved its use in channel preservation, environmentally sensitive design, and the restoration of degraded river channels.
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Agricultural Development Science Assignment
6 pages (1500 words) , Download 2 , Assignment
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Through samples of inorganic fertilizers,farmers can make accurate observations of their farming systems and accordingly develop strategies for maintaining and improving output.They argued that scientists should pay closer attention to farmers' knowledge systems
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Folding and Aggregation Science Essay
4 pages (1000 words) , Download 2 , Essay
Polymers usually contain a sequence of different amino acids and some are more commonly known as peptides instead of amino acids. Proteins usually perform their functions by folding into one or more conformations and some of the important interactions that come into play are ionic interactions, hydrogen bonding, Van der Waals' forces and hydrophobic packing (Berg, 2002).
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Researchers and Laboratories, Market Researches Science Essay
8 pages (2401 words) , Download 2 , Essay
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Market research is carried out on the researchers and laboratories including schools and colleges to ascertain the expectations of the people here in making use of postal services. The postal services will optimise the usage of the airline industry and would also cater to the needs of the researchers.
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Two Parameters for Biomarker Assessment Science Essay
4 pages (1439 words) , Download 3 , Essay
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Biomarkers can be used for analyzing the responses of an organism to various environmental factors and their effects on its development and reproduction. The development of biomarker assays is required to detect changes in the immune responsiveness of an organism to the exposure of different chemicals and organic molecules.
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Analysis of Strength of Connecting Rods Science Lab Report
3 pages (992 words) , Download 4 , Lab Report
It can be seen that the tensile strength of failed rods and working rods are nearly the same. We can conclude that the rods have not failed because of differences in chemical composition between individual rods. A sudden force might have developed in an engine that might have caused the failure of rods.
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The Effects of Madol on the Physical Activity Science Research Paper
5 pages (1250 words) , Download 2 , Research Paper
Free
Based on the aforementioned reasoning, it is hypothesized that “Madol (DMT) induces the activity levels of hamsters as assessed by locomotor activity.” One of the most basic experimental designs used in psychopharmacology is to study the effect of drugs on the locomotor activity of the animals. Measurement of the activity of hamsters will be assessed.
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Oxygen Saturation Science Lab Report
23 pages (5831 words) , Download 2 , Lab Report
My hypothesis was proved by the experiment. Results indicate that a higher oxygen content attracted larger numbers of Gammarus plex. My independent variable was the number of shrimps present and the dependent variable was the concentration of dissolved oxygen. My control variables were the temperature of the water and the pH level of the water. 
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Multiphase Environmental Flows Science Essay
22 pages (6101 words) , Download 2 , Essay
Numerical modeling of the flow in such pipes has greatly aided in improving the pneumatic systems. Some of the techniques used for pneumatic conveying modeling include the use of computational fluid dynamics (CFD), which represents the gas and solid phase as two interpenetrating continua.
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Global Warming and Hurricanes Science Essay
8 pages (2263 words) , Download 3 , Essay
Free
The world is undoubtedly warming and is getting humid with time which is the result of emissions of carbon dioxide and other greenhouse gases from human activities including industrial processes, fossil fuel combustion, such as deforestation. Continuation of historical trends of greenhouse gas emissions will result in additional warming over the 21 centuries.
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Green Technology, Sustainable Design Science Case Study
7 pages (1893 words) , Download 4 , Case Study
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Sustainable development is the development that meets the needs of the present without compromising the ability of future generations to meet their own needs. Sustainable development entails using natural resources in ways beneficial to human beings while maintaining their availability to support biological diversity and continuing human use in the future.
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Clocks in the Vasculature Science Essay
4 pages (1000 words) , Download 3 , Essay
Hierarchically, the circadian rhythm and timing in humans is governed by a master clock in the suprachiasmatic nuclei of the hypothalamus. They function through oscillatory impulses synchronised with time and in coordination with both central and peripheral tissues, and putatively both neural and humoral outputs mediate and result from these oscillations leading to an organised physiological function.
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Study of Cremated Bones Science Essay
8 pages (2421 words) , Download 2 , Essay
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Cremation has long been in practice and had once been the only process by which ancient men would dispose of their dead. Cremated bones thus we find, though archaeologically available only in small fragmented pieces, can become the gateway through which one can travel back in time and study the culture and traditions.
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Mercury: A Toxicological Review Science Essay
10 pages (2500 words) , Download 3 , Essay
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The author states that the toxic effects of mercury affect the immune system, alters genetic and enzyme systems, and damages the nervous system, including coordination and the senses of touch, taste, and sight. Mercury is widely used in laboratory work for making such things as thermometers, barometers, diffusion pumps, along with many other instruments.
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The Harm of Asbestos, The Killer Dust Science Essay
8 pages (2296 words) , Download 2 , Essay
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Major victims of asbestos had been workers in general industries, transport, building and shipyards. It was an awful discovery that transformed this magic mineral into killer dust. It is extremely toxic and according to later medical evidence, this fibrous mineral causes extreme health problems like asbestosis and mesothelioma.
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Water Balance. Sediment Yield Science Essay
3 pages (750 words) , Download 2 , Essay
The action of water on slopes in dry lands can escort to sediment transport processes such as wet erosion, overland flow transport, riling, gullying and mass movement particularly debris flows. It is important to comprehend the device behind these procedures to be able to expect coins in dry land landscapes and identify with the process controlling landscape development.
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Real World Applications of Graphs and Probabilities Science Essay
2 pages (500 words) , Download 2 , Essay
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Polymerase Chain Reation Science Lab Report
3 pages (750 words) , Download 3 , Lab Report
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Pascal's Wager Argument Science Essay
2 pages (500 words) , Download 6 , Essay
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This treatise is brought about by Pascal's dissatisfaction with the prevailing arguments for the justification of the existence of God. Pascal's Pensées is different from conventional reasoning since it endeavors to provide practical reasons for belief in God. Pascal is saying that one should “wager that God exists because it is our best bet. 
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Ways Researchers Can Minimize Harm to Vulnerable Patients Science Essay
12 pages (3633 words) , Download 2 , Essay
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Ethical research practise requires consideration of duties and ethical responsibilities to research participants, professional and academic colleagues, research sponsors and the wider public. It is acknowledged that qualitative health research often generates ethical dilemmas, and these are not easily solved by the application of codes of practice.
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