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Science Essays

Result for Subject Science:
865 essays
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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ICTs in a Global Context Science Article
8 pages (2319 words) , Download 2 , Article
Free
Cell phones, radio, television, MP3 players, and optical disks are all examples of communicating information via images or sound (Wikipedia, 2004). The creation of the Internet has also made a wealth of information available to those who have access to a computer. Although it appears to be a modern-day convenience, the Internet has its drawbacks as well.
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Critical Review Science Essay
4 pages (1000 words) , Download 3 , Essay
The main purpose of critical review of literature is to develop a good understnding and insight into relevant previous research and the trend that have emerged.1 Critical Review is the foundation on which a research is build. There are various approaches to critical reviews: Deductive approach - In this approach we develop a theoretical and conceptual framework.
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Endangered Specie Capertee Stringybark Science Case Study
6 pages (1753 words) , Download 2 , Case Study
Free
NSW Threatened Species Act 1995 lists as vulnerable species, the Capartee Stringybark (Eucalyptus Cannonni) in their schedule 2. This species is also listed in the Commonwealth Endangered Species Act of 1992 as vulnerable species. This is normally a tree of 10-15 m high with a stringybark.
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Researchers and Laboratories, Market Researches Science Essay
8 pages (2401 words) , Download 2 , Essay
Free
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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Energy Transfer and Thermodynamics Science Essay
7 pages (1954 words) , Download 2 , Essay
Free
Zeroth law is a law of thermodynamics that states that thermo-equilibrium of a system is achieved only when the temperature of the system does not change over time. This law also states that given two systems that are at thermo-equilibrium with another system then both of them are at thermal equilibrium with each other.
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The Effects of the Shape of Ice on Its Melting Time Science Lab Report
3 pages (814 words) , Download 3 , Lab Report
Free
To perform the experiment we first numbered the four different medicine bottles. We then put 1 ounce of water in each bottle and placed each bottle in the freezer. Then we waited until the water in all the bottles froze and turned into ice. We then took out the bottles from the freezer and placed each one of them in a glass full of hot water. 
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Inter-racial Face Recognition Science Research Paper
4 pages (1000 words) , Download 2 , Research Paper
The first group of White individuals was subjected to the recognition test. Each took the turn of recognizing which two pictures (1 white face and 1 black face) belong to one person. The speed of recognition was recorded accordingly in terms of time in minutes.
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Synthetic Rubber Science Lab Report
5 pages (1358 words) , Download 2 , Lab Report
Free
The reactions of monomers may occur by the absorption of heat or light. The initiator I (a weak organic compound that decomposes to produce unpaired electron-containing free radicals) is added to a monomer molecule. Synthetic rubber is also formed during the polymerization of certain monomers or by co-polymerization of two different monomers.
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History of Measurment Science Essay
3 pages (750 words) , Download 2 , Essay
From the cubit, other measures were developed. The smallest unit of ancient measurement was the digit, the width of a finger. Next to the digit was the palm, equal to 4 digits, and the scale continued up to the cubit, equal to 28 digits. For units smaller than a digit, the Egyptians were the first to invent fractions.
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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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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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The Impact of Alien Species on South African Diversity Science Essay
8 pages (2590 words) , Download 2 , Essay
Free
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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Circuits with Feedback Science Assignment
6 pages (1500 words) , Download 2 , Assignment
Free
Let we consider a non-inverting amplifier along with its block diagram as shown in fig. 1. Let the block labeled ‘A, represents the amplifier and its open loop gain and block ‘β, is the feedback path with ‘β, feed back ratio and let ‘Σ, be the summing junction with ‘vin, be input voltage and ‘ve, output voltage also called error voltage.
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Solid-phase synthesis of Gly-Glu-Lys-Gly-Ala by Merrifields method Science Lab Report
3 pages (750 words) , Download 2 , Lab Report
According to the essay, gly has a vast pK range and can be covalently linked to the resin at any pH value. Glu has quite acidic isoelectric point (pI) (= 3.1), and for all reactions in aqueous solutions (Boc and DCCD derivatization) it is required to keep pH close to 3.0. Once Glu is linked, Lys has very alkaline pI (= 9.8).
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Prescription Additions and Potential Issues Science Essay
5 pages (1382 words) , Download 2 , Essay
Free
Prescription addiction is studied with respect to eye disorders like Presbyopia, Cataract, Juvenile stress myopia etc. The various causes of prescription addition due to these disorders are analysed. The various types of prescriptions which are difficult to fill and the consequent effect on the patient are analyzed.
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The Impact of Student Fees upon Society Science Essay
5 pages (1250 words) , Download 2 , Essay
Without the fees that they collect, these organizations will effectively cease to exist. A functionalist approach to the analysis of the necessity of these services however, reveals that these changes will not only affect the students, but the community as a whole.
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Pure Strategy Science Math Problem
4 pages (1000 words) , Download 2 , Math Problem
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Research Methods in Education System Science Essay
9 pages (2426 words) , Download 2 , Essay
Free
А mixed methodologicаl аpproаch wаs employed in this study. The primаry method wаs а quаlitаtive аnаlysis (content аnаlysis) of dаtа collected through personаl interviews. А meаsuring instrument wаs developed for this purpose. It wаs bаsed on the literаture review, three interviews with teаchers аnd the results from а quаntities аnаlysis of surveys.
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Human Systems Coordination Science Essay
4 pages (1000 words) , Download 2 , Essay
It consists of two parts, the central nervous system (CNS) (the processing area) and the peripheral nervous system (PNS). The spinal cord and brain are effectively the central part of the nervous system, and they work receiving and interpreting the signals (electric impulses) that the peripheral system sends to them, via the nervous cell called neuron.
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Protein Concentration Science Lab Report
4 pages (1000 words) , Download 3 , Lab Report
With respect to their structure, biochemists often refer to four different aspects: Secondary structure, local interactions held together by hydrogen bonds between the lone pair of electrons of an oxygen atom and the hydrogen attached to a nitrogen atom.
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Human Gene Patents Science Essay
6 pages (1561 words) , Download 2 , Essay
Free
Gene patents are a subset of a wider category of biological patents. Patents are granted only on specific isolated genes whose function is known. There are many benefits to gene patenting but there are also some controversies to its use. The United States Patent and Trademark Office (USPTO) regulates the patenting of genes and gene products (Barton, pg121-125).
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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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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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Determining Nitrous Oxide Content in Gases Science Essay
5 pages (1580 words) , Download 2 , Essay
Free
The use of fertilizers in agriculture, pollution, and other human interventions has resulted in increased gas concentrations in the atmosphere and workplaces that have instilled fear for environmental /health safety. In this context, monitoring Nitrous oxide concentrations becomes pertinent.
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The Z Notation Science Math Problem
5 pages (1339 words) , Download 2 , Math Problem
Free
Though these mathematical data types don’t represent the computer notation, they help determine how a particular system will behave. The Z notation also allows for the disintegration of a given specification into schemas; this helps in presenting the code piecewise. Each piece can then be described informally with a commentary.
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Agricultural Development Science Assignment
6 pages (1500 words) , Download 2 , Assignment
Free
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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Is Global Warming Causing Severe Weather Science Essay
8 pages (2394 words) , Download 3 , Essay
Free
Nowadays, global warming is an undeniable fact, which proves that our planet and its climate are in trouble. The study of global warming involves many sciences in order to examine the causes of global warming and try to find possible solutions to reduce the impact of our civilization on the planet.
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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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Difference in Expression of the Transfected Cell Science Essay
2 pages (679 words) , Download 2 , Essay
Free
The exact determination of HIV and HBV behavior upon contact with previously healthy cells is crucial to the formulation of an effective medical response. One approach practiced by scientists and researchers is to model in vitro in the hope of determining changes in gene expression for the formulation of candidate vaccine pathogens.
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Star Alpha Medicine Service Science Essay
6 pages (1556 words) , Download 3 , Essay
Free
The continuous effort of modern medicine gives rise to the birth and development of many drugs designed and engineered to cure illnesses such as cancer, which have taken millions of lives before. Life, above all, is a precious thing and a sacred entity that is worthy of every respect. Yet, the human mind is an abode of many intentions and desires.
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The Harm of Asbestos, The Killer Dust Science Essay
8 pages (2296 words) , Download 2 , Essay
Free
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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The Lead Problem in the United Kingdom Science Case Study
4 pages (1339 words) , Download 3 , Case Study
Free
The United Kingdom has undergone a tremendous risk to the effects of the use of lead. The old era of the use of lead has haunted the present as well as the future like a hawk hunting its prey. The hazardous nature of lead has been exposed but the implementation of policies is rather slow and their effects are slim.
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Polymorphic Pharmaceuticals and Fine Chemicals Science Essay
9 pages (2689 words) , Download 2 , Essay
Free
Some substances in the solid state have a distinct regular array of constituent particles. Such an arrangement facilitates the formation of constant angles between their faces. The faces are found to have distinct edges. Obviously, a definite relationship is observed between the faces or edges and/to the arrangement of the constituent particles.
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Descriptions of methods used to measure Science Essay
4 pages (1000 words) , Download 2 , Essay
Doctors also use a pupilometer in their work, a special small instrument. The patient looks into what looks like a pair of binoculars while the doctor or technician looks in the other end. The instrument is adjusted such that lines seen by the examiner inside the instrument line up with the Purkinje images (reflections on the patient's cornea).
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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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Drug Development Process Science Essay
6 pages (1786 words) , Download 3 , Essay
Free
Drug development is the process by which new therapies are created and brought to market to treat diseases. The drug should undergo a process before it will be able to approve by the Food and Drug Administration (FDA) and before it will be marketed.  The Food and Drug Administration ensures the safety and efficacy of the drug being marketed.
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Headspace Analysis Conditions Science Essay
2 pages (1092 words) , Download 2 , Essay
Free
The advantage of this approach is that gas chromatography can be used as the analytical technique, as opposed to liquid chromatography, thus providing four to five orders of magnitude greater sensitivity. The procedure involves the extraction of a volume of the equilibrium gas over the sample (usually about 10 ml) by a syringe through a vial.
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The Regulation and Function of Calcium in the Human Body Science Essay
3 pages (1068 words) , Download 3 , Essay
Free
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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The Presidential Biomedical Committee Science Essay
2 pages (673 words) , Download 2 , Essay
Free
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 Variations in Elastic and Inelastic Seismic Demand Science Research Proposal
14 pages (4372 words) , Download 5 , Research Proposal
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 Earthquake-resistant design codes and provisions set significant limitations on structural irregularity. The present study examines and analyses the procedures used in determining seismic demands. The study also suggests scope for future investigations to determine if these limitations are sufficient to ensure intended performance objectives for structures with vertical irregularities.
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Nonverbal Communication Science Research Proposal
8 pages (2000 words) , Download 6 , Research Proposal
The hypothesis to be tested was "It would take participants of condition one (absence of non-verbal communication) more time to answer one question than participants of condition two (presence of non-verbal communication)." Two experimenters were chosen randomly to administer each condition.
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Observation Process of the Animal Science Essay
4 pages (1148 words) , Download 2 , Essay
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Dogs are faithful to the point of even laying down their lives for their masters. I am an avid dog lover too and have a dog that frequents my home premises, whose name is Trixy. In my journal, I am giving my observations about Trixy, the stray dog whom I have come to like a lot. I have closely observed her behavior and now have a better idea about dogs in general.
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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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Conjunctiva in Contact Lens Wear Science Research Proposal
5 pages (1250 words) , Download 3 , Research Proposal
A number of previous studies have reported a compromise of the conjunctiva during contact lens wear, presumably as a result of the direct mechanical effects of lens wear; these include conjunctival staining, hyperaemia, chemosis and folding, and an apparent depletion of the number of conjunctival goblet cells (inferred from impression cytology studies).
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C-reactive protein as a novel biomarker Science Essay
8 pages (2000 words) , Download 5 , Essay
In this article, the authors review the role of CRP in the diagnosis, monitoring, and treatment of various forms of ischemic and inflammatory cardiovascular disease. Atherosclerosis is an inflammatory vascular disease characterized by endothelial activation, cellular influx, and production of mediators and cytokines.
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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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Wageningen Imares Science Essay
5 pages (1250 words) , Download 2 , Essay
The main cause for the decrease of marine sources is the harm for the environment done due to the exploitation of marine resources. The company can do the research on fresh water systems that results in sustainable development with environmentally friendly attitude.
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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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Human Postural Sway Science Essay
7 pages (2556 words) , Download 2 , Essay
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Postural sway during quiet standing is the resultant action of various destabilizing forces acting on the body and actions by the postural control system to prevent a loss of balance. Human postural sway is a stochastic process and can be represented in terms of the fluctuations of the centre of pressure (COP) under the feet of a quietly standing subject.
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