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Science Essays

Result for Subject Science:
862 essays
Using Consent to Utilize Healthcare Information for Research Science Essay
8 pages (2626 words) , Download 3 , Essay
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A number of premier research papers and documents have been procured by searching the Internet. All of these pertain to ‘consent to utilize healthcare information for research purposes. It is expected that this particular review of literature pertaining to this chosen topic shall adequately serve the purposes of such a literature review.
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Characteristics of Australopithecines Science Essay
4 pages (1255 words) , Download 2 , Essay
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Hominids are included in the super-family of apes, the Hominoidea, in which the members are referred to as hominoids. Though the fossil record of hominids is currently fragmented and incomplete, there is enough material present to provide a healthy sketch of the evolutionary history of homo sapiens. The Australopithecines were “bipedal primate mammals”.
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The Process of Homeostasis Science Essay
4 pages (1145 words) , Download 5 , Essay
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Stability is the aim of Homeostasis as it controls internal reactions against external changes by adjusting its processes to maintain balance. For this survey, we will be limiting the reference to humans as organisms. The search and removal of wastes inside the body which it produces, is called the process of excretion (Poison Protection).
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Definition Of A Cleanroom Science Math Problem
7 pages (1750 words) , Download 2 , Math Problem
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One can define a cleanroom as an area often used in either science research or manufacturing, that contains a low count of environmental pollutants (which usually include items such as aerosol particles, dust, chemical vapors, and airborne microbes.  To be more specific, cleanrooms generally have a controlled amount of contamination that is usually derived or based upon the number of particles per cubic meter at a specified particle size.
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Community Natural Resource Management Science Essay
9 pages (2549 words) , Download 2 , Essay
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However,  the increasing population and failure to preserve water resources have brought worldwide water crisis. Key water management challenges include “effective water management, controlling water pollution, conserving aquatic biodiversity, and coping with changes to water resources associated with climate change” (Budds, p.142).
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Food Microbiology Science Lab Report
8 pages (2210 words) , Download 2 , Lab Report
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Raw and unprocessed food is naturally contaminated with a range of micro-organisms which may include pathogenic forms. The microbiology laboratory is concerned with testing foods to both determine the level of microbial contamination as well as to ascertain the presence of specific pathogens on foods.
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Mahogany Harvesting Science Book Report/Review
4 pages (1000 words) , Download 2 , Book Report/Review
Intervention is required in order to ensure commercial sustainability. In order to prove the thesis statement, the article set three objectives: "(1) to demonstrate the variability in density and demographic structure that forest managers may encounter in the field; (2) to quantify impacts of conventional logging practices on commercial mahogany populations; and (3) to examine how patterns described here may impact population recovery under 'one size fits all' management prescriptions" (Grogan et al.
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The Role of Survey Engineering Science Essay
10 pages (2661 words) , Download 2 , Essay
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Surveying has been an essential element in the development of the human environment since the beginning of recorded history and it is a requirement in the planning and execution of nearly every form of construction. Its most familiar modern uses are in the fields of transport,  communications, and the definition of legal boundaries for land ownership.
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Biodiversity of Coastal and Exposed Shores Science Assignment
23 pages (5919 words) , Download 2 , Assignment
Adaptation to human-induced climate change and sea-level rise is a major driver for biodiversity monitoring. Identifying such drivers of significant change is important, as is the science-based delivery of numerous obligations to undertake monitoring, e.g. favorable condition assessments for sites, biodiversity targets, assessment of policy objectives.
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Methods of Research Science Essay
10 pages (2971 words) , Download 2 , Essay
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These guidelines include specific rules and regulations for the ethical treatment of research subjects as well as the governance of informed consent. These guidelines transcend all methodological specifications. In conducting research, the researcher has to consider the nature of the study he intends to conduct, the ethical ways in which data can be gathered.
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Narratives and Numbers Science Essay
14 pages (3632 words) , Download 3 , Essay
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From anthropology to psychology, from history to pop culture, from journalism to advertising, narratives are seemingly everywhere. Regardless of its apparent visibility and diversity of applications, however, one must contextualize narratives to understand it in terms of corporate and organizational stories.
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Pheromones as Chemical Substances Science Essay
9 pages (2611 words) , Download 3 , Essay
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According to Kohl J., 1996, pheromones are social environmental chemical stimuli (e.g., odours) that are produced by one individual and detected by another individual of the same species. They exert their action at a sub-conscious level and the animal may not be aware that it is responding to an odour. 
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Bispecific Antibodies Science Research Paper
21 pages (5668 words) , Download 2 , Research Paper
Immunotherapy has been std for more than 20 years ago with modifications to it on daily basis. Initially, it was started for hematological cancers and that showed very satisfactory results but then the hope raised that if this can work for killing cancer cells spread in the blood from hematological cancer.
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Data Analysis and Interpretation Science Research Paper
13 pages (3058 words) , Download 3 , Research Paper
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The study used the responses on the questionnaire which was divided three sections; SECTION A cons behaviour by type of factor affecting their wine purchase and familiarity; SECTION B Product-specific regional image (Human factor, Natural factor, and climatic factor), Product attribute perception (quality dimension, health dimension, exclusivity dimension).
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Paired Associates Learning Science Lab Report
7 pages (1910 words) , Download 3 , Lab Report
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This study was carried out to identify whether visual imagery has a significant effect in enhancing an individual’s performance in paired associates learning compared to the usual verbal repetition. Thirty-seven members were assigned to the imagery (experimental condition) and thirty-eight participants were assigned to the repetition condition (control).
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Fingerprinting Identification Mark Science Case Study
6 pages (1500 words) , Download 2 , Case Study
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Not before long, fingerprints were taken by the traditional method of ink and paper impression, but nowadays with the advanced technology its enough to do a computer scan to record such a print which will be saved in the system to be retrieved and easily cross-referenced for future use. The use of fingerprints is primarily important in the identification of criminals in forensic sciences.
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Biological molecules Science Essay
5 pages (1250 words) , Download 2 , Essay
Each nitrogenous base is connected to a molecule of deoxyribose sugar to form a nucleoside. Each nucleoside is joined to a phosphate group to form a nucleotide. Repeating units of nucleotides form DNA. The structure of DNA is double helix. The edges on the outer side are formed by alternating phosphate groups and deoxyribose sugar molecules.
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The Structures and Functions of Microtubules Science Essay
6 pages (1845 words) , Download 2 , Essay
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Chemically microtubules are a class of fibrous proteins formed within a cell. These long, linear, and stiff polymers abound throughout the cytoplasm and are the governing structures that control the organization and function of membrane-bound organelles and other relevant components within the cell.
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Features of Glycosylated Hemoglobin Test Science Essay
12 pages (3594 words) , Download 2 , Essay
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When there is more glucose in the blood more HbA1c will be formed. The HbA1c test is performed at the three-month interval when the glucose level is high and it needs to be brought down. In case of blood glucose level is well within control and gives stable results, the test is performed every six months intervals.
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Factors that Influence Tissue Response to Radiation Science Essay
11 pages (3153 words) , Download 2 , Essay
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Radiobiology is a branch of science that is concerned with the action of ionizing radiation on biological tissues and living organisms. Thus, it is obvious now that to truly understand the full impact of this paper it is first necessary to know the basics of these two disciplines radiation physics and biology.
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Single Cell Protein Science Essay
4 pages (1000 words) , Download 2 , Essay
In theory, this should release proteins, such as soyabean meal and grain, which are currently used in animal feeds, for human consumption. However, there are agricultural surpluses in the western world which mean that this has not happened as you shall see.
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Event-Related Potential Science Essay
15 pages (3750 words) , Download 2 , Essay
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It aims focus on the application of Event related potentials in research within the field of Cognitive Neuroscience rendering opportunities for students to develop skills in their applications of measures in recording and analysing. Neurophysiology not only aims to understand how the structure of the brain but also relates to specific psychological processes.
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Research Method in Social Science Science Essay
8 pages (2112 words) , Download 3 , Essay
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It is a habit of questioning what you do, and a systematic examination of the observed information to find answers, to institute appropriate changes for a more effective professional service. One’s philosophical orientation might stem from one of the several paradigms and approaches in research – positivist, interpretive, phenomenalist etc.
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Research Methods for Managerial Decisions Science Essay
2 pages (500 words) , Download 2 , Essay
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Whereas, the second approach using lagged values produces slightly different results because by definition, lagged values are a type of variables, which are dependent during the current time period, but are found to have been independent variable in a previous time period.
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Deflection of a Loaded Cantilever Science Math Problem
4 pages (1000 words) , Download 2 , Math Problem
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Small Scale Experimental Machine Science Article
5 pages (1250 words) , Download 3 , Article
Its designers, Frederic Williams, Tom Kilburn and Geoff Tootill, who worked at the Electrical Engineering department of the University, developed the machine as a test-bed for Williams Tube - one of the created at that time computer memories, and did not mean the Baby to become a prototype of the contemporary computer (Enticknap, 1998).
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Solid Work Simulation Science Essay
4 pages (1000 words) , Download 2 , Essay
Solid work simulation uses a Finite Element Method (FEM). The FEM is also known as Finite Element Analysis (FEA). In the FEA a large complex problem is dealt as a hundreds of small simple problem by dividing the sample into many simple elements. The objective of simulation is usually to determine the impact of a change of an input on the whole system or on local parts of the system (Pang H and Hammad A 2006).
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Action Of Enzyme Catalase On Hydrogen Peroxide Science Lab Report
5 pages (1250 words) , Download 3 , Lab Report
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There are certain factors that influence the activity of catalase: • Substrate Concentration • Temperature • pH • Salt Concentration • Presence of Inhibitors • Presence of Activators Hence even if the same experiment is performed several times different results may lead to different results.
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Weight Loss and Triglyceride Level Science Essay
7 pages (1750 words) , Download 2 , Essay
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In economically affluent countries and in some developing countries, obesity is a health problem. The connection between obesity and premature death from hypertension and coronary heart disease is well established. The basic cause of obesity is over-nutrition.
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History of the Universe Science Essay
4 pages (1000 words) , Download 2 , Essay
The transition from -.38eV to -.54eV emits a photon of .16eV because the electron travels to a lower energy state thus giving off energy in the form of a photon. The wavelength of the electromagnetic energy is 1/w = Rh [ (1/n12) - (1/n22) ] w=wavelength Rh=1.09678 x 10-2 nm-1.
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Homeostasis: Similarities and Dissimilarities between Nervous and Endocrine Systems Science Essay
4 pages (1282 words) , Download 6 , Essay
Free
In medical science, it is the ability of the human body to keep the internal environment at or around a level in which various systems of the body can perform smoothly. Through this property, the human body responds to different types of disturbances of homeostasis efficiently so that health is maintained.
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The Evolving Gene Science Book Report/Review
4 pages (1000 words) , Download 2 , Book Report/Review
A myriad of explanations regarding the origins of life has been forwarded. The Christian religion for example, contends that living beings were made by the hands of an omnipotent and omniscient being. Science has forwarded the notion that the first living thing was formed by a combination of environmental and chemical factors producing a blob of organic material - the very first living thing.
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Evidence for Professional Practice Science Essay
9 pages (2858 words) , Download 6 , Essay
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“Evidence-Based Practice (EBP) is a thoughtful integration of the best available evidence, coupled with clinical expertise. As such it enables health practitioners of all varieties to address healthcare questions with an evaluative and qualitative approach. EBP allows the practitioner to assess current and past research, clinical guidelines.
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Functional Magnetic Resonance Imaging Science Essay
12 pages (3480 words) , Download 2 , Essay
Free
Physiologically, oxyhaemoglobin concentration increases in an activated region, whereas local deoxyhaemoglobin concentration decreases. fMRI measures brain activity indirectly, namely by measuring the change in oxygen content; this is called the Blood Oxygenation Level Dependent (BOLD) contrast mechanism.
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The Scientific Method: A Definition Science Case Study
2 pages (500 words) , Download 2 , Case Study
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 The scientific method a way of evaluating the correctness of claims about the world. The purpose of this particular way is that it is supposed to be fairly independent of specific individual investigators and their biases. The scientific method has six general steps:  1. Observe some things about the world
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Human Behavioral Ecology Science Essay
5 pages (1250 words) , Download 2 , Essay
HBE attempts to describe the behavioral diversity of humans as a consequence of environmental dependant responses made by individual persons to maximize their fitness. A limitation to this goal is the specification of factors that constrain an individual person's struggle to maximize his fitness.
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Understanding lab tests Science Essay
6 pages (1500 words) , Download 3 , Essay
Free
ECG is the primary diagnostic tool which is nearly 100% specific but sensitivity is only63-82%. Gold standard of investigation for detecting Acute Myocardial Infarction is CK-MB; Cardiac specific Troponin can be added to this for better results.
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Dysphagia Process, Swallowing Science Essay
6 pages (1841 words) , Download 2 , Essay
Free
The trigeminal nerve is very important in swallowing due to its afferent control of general sensation to the face, teeth, gum, muscles of mastication. Its efferent control is of the muscles for mastication. Innervating the tensor velar palatine, the trigeminal is partly responsible for the flattening and tensing of the soft palate.
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The Impact of Alien Species on South African Diversity Science Essay
8 pages (2590 words) , Download 2 , Essay
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The biodiversity of Southern Africa is one of the richest in the world. It has been totalled that the area maintains 10,000 known marine fauna and flora species. Many of these species are endemic to the region, and therefore are particularly susceptible to extinction, as there will be no other place to find them if they’re overtaken by invasive alien species.
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Organization Theory and Design by Daft, RL Science Essay
3 pages (750 words) , Download 2 , Essay
Rites of Enhancement: These rites are celebrated in respect of the achievement of the members of the organization usually by bestowing a selection of rewards in forms of praise, recognition, bonuses, promotions and plaques etc. They enhance the moral of the employees for reinforcing their in-put sincerity to the goals for the organization.
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Tangled Triangles Science Math Problem
4 pages (1000 words) , Download 2 , Math Problem
Let us start investigating this problem by looking back in time and history of this problem. It not only makes our study more interesting, it also throws light on the path that we should follow. It is a well-known fact that for an arbitrary closed curve in the plane of a fixed perimeter, it is the circle that encloses the largest area.
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Long Term and Flashbulb Memories Science Essay
2 pages (511 words) , Download 3 , Essay
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Memory is nothing but the power or faculty of retaining the knowledge of past thoughts, in other words remembering the information of the past. The better the information is processed the better the chances of information getting into memory. It has also been seen that more practice or rehearsal of information has better chances of remembrance.
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College Math Master Math Problem Science Math Problem
2 pages (500 words) , Download 8 , Math Problem
Free
Here it is given that the tires are equally durable(i.e. identical in terms of quality and thickness). Also we assume here that the roads on which the two cars travel and other conditions are identical so that the friction offered is practically the same and that the cars have more or less the same weight(generally the cars with the larger wheels have more weight and hence offer more burden on their wheels).
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Titanium Metal Matrix Composites Science Essay
4 pages (1000 words) , Download 3 , Essay
One part must be a metal and other part being any other materials like organic compounds. If we look at metal matrix composite composition structure, we can say that they are made by dispersing a reinforcing material into a metal matrix. Usually the surface is coated to prevent chemical reaction with matrix.
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Constraints to the Development of Alternative Energy Science Essay
9 pages (2250 words) , Download 2 , Essay
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The climate change issues have attracted the attention of almost everyone around the world. Indeed it concerns everyone that it requires collective decision and action. Humphreys and Blowers declared that “coherent environmental policy responses require the active involvement of a broad range of governmental actors”
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Adrenal Cortex and Adrenal Medulla in the Endocrine Response to Stress Science Essay
6 pages (1889 words) , Download 2 , Essay
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Each adrenal gland is, in effect, structurally and functionally two endocrine glands in one in that it is comprised of an outer cortex surrounding an inner medulla. The cortex contains three histologically distinct zones from out to inward. These are the zona glomerulosa, zona fasciculata, and zona reticularis.
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The Next Influenza Pandemic Science Essay
5 pages (1444 words) , Download 4 , Essay
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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
Free
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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