Deforestation: Central America
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A 6 page paper which offers an examination of the deforestation that is taking place in Central America. Bibliography lists 4 sources.
Filename: RAdefrst.rtf

Dental Fillings: History, Types and Uses
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An 8 page discussion of the history of dental fillings. Traces the filling from ancient times to present exploring the various types of materials which were used. Explains that the choice of filling is related to performance but also to availability and cost. Notes that the evolutionary path of fillings is tied as well to the evolutionary paths of other dentistry aspects such as drill evolution and the development of molding techniques and materials. Bibliography lists 7 sources.
Filename: PPdentFi.wps

Denture Cleansers
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5 pages in length. Maintaining one's own teeth is certainly a preferable alternative to having dentures; however, when the time comes to make such a decision, there are a number of considerations to be made beyond merely the fit. If dentures are not properly cleansed on a regular basis, this can lead to the same type of oral decay found in those without dentures. Denture cleansers are manufactured to help continue the process of good oral hygiene by effectively removing the build up of debris from prosthetic dental appliances. Powder, tablet or paste, the choice of material is solely a personal decision based upon past experience and preference. The write discusses various aspects of denture cleansers. Bibliography lists 10 sources.
Filename: TLCdentr.wps

Desert Surfaces: A Process Based Analysis of Radiation, Heat, Precipitation, and Storage
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A 7 page overview of the processes which impact deserts. Summarizes geologic, climatological and biological processes which interplay to both shape desert environments and which are shaped by those environments. Outlines the importance of topography, substrate characteristics, precipitation, vegetative cover (both type and extent), radiation, and cloud cover in particular and concludes that each of these factors is interrelated with the other. Bibliography lists 6 sources.
Filename: PPdesert.wps

Designer Babies
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An 8 page research paper that investigates the possible ethical ramifications of biotechnological advancements that predict the advent of "designer babies," that is, children whose genes have been manipulated for certain traits or bodily characteristics. Based on futuristic predictions, the writer argues against the morality of such technology. Bibliography lists 6 sources.
Filename: khdeskid.rtf

Designing a Research Framework
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This 4 page paper helps the student design research to test an hypothesis. The framework shown is the framing of the null hypothesis (H0) and the alternative hypothesis (H1), the decision on what level of confidence to choose, looking at which statistics to test and deciding on which tests are most suitable. The example used is testing to see if genetically modified food and non modified food are the same. The bibliography cites 4 sources.
Filename: TEstatest.rtf

Destiny or Circumstance?: Are Human Beings in Charge of Their Destiny?
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A 5 page discussion of destiny as it relates to the actional and nonactional theories. Associates the theory of biological determinism with the nonactional theory but observes other areas of research which indicate numerous factors, particularly parental involvement in our childhood, affect the way we live our lives. Concludes that there is some validity to the Actional Theory, the theory that it is us that determine our destiny. What becomes clear, however, is that our destinies are determined not only by factors which are under our control but also be predetermined factors such as our genes. Destiny therefore is predetermined in some instances but entirely under our control in others. Bibliography lists 5 sources.
Filename: PPdestin.wps

Differences In The Way A Mammalian Cell And Yeast Cells Coordinate Cell Growth And Cell-Cycle Progression
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This 3 page paper summarizes an article by Colon and Raff (2003) entitled “Differences in the way a mammalian cell and yeast cells coordinate cell growth and cell-cycle progression” which looks at the role of cell check points and the importance of extracellular signalling for mammalian cells when researched with the use of Schwamm cells. The bibliography cites 1 source.
Filename: TEcellgrow.rtf

Dinoflagellates
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A 4 page overview of this classification of organism. The author reviews the phylogeny and the ecology of these incredible diverse creatures. Bibliography lists 5 sources.
Filename: PPdinofl.rtf

Distribution and Evolution of the Striped Skunk
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A 3 page paper which provides a look at the distribution and evolution of the striped skunk. Bibliography lists 6 sources.
Filename: RAskunk.rtf

DNA - An Overview
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A 5 page exploration of DNA and its relations to cellular reproduction. Includes a discussion of cellular structure, mitosis, and meiosis. Bibliography lists 3 sources.
Filename: Dna.wps

DNA and the ageing process
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A paper which considers research into the phenomenon of ageing, with specific reference to DNA and changes which take place at the cellular level. Bibliography lists 11 sources.
Filename: JLagedna.rtf

DNA Replication
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A 9 page paper which examines DNA replication. Bibliography lists 7 sources.
Filename: RAdnarn.rtf

DNA, RNA and Protein Synthesis
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This 3 page paper takes a look at these scientific processes and how new technology in regard to evaluating genetic materials are utilized. Examples are provided. Bibliography lists 4 sources.
Filename: SA341DNA.rtf