Debating the Origins of Eukaryotic Flagella
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This 4 page paper provides an overview of the current literature on this topic. Current scientific research still shows a significant debate over the origins of eukaryotic flagella. Lynn Margulis first proposed endosymbiont theory in an effort to settle the debate on the origins of structures, including eukaryotic flagella. Her theory and the use of 16s rRNA analysis provided a basis for relating the origins of both mitochondria and chloroplasts, yet does not completely resolve arguments over the origins of the eukaryotic flagella. Bibliography lists 3 sources.
Filename: MHCellFl.rtf

Defining Osmosis
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This 5 page report discusses and explains the concept of osmosis which is how one element or ingredient of a solution flows through a membrane while other components of a solutuon are shut out and unable to pass through the membrane. In order to determine which membranes allow the flow of which constituents of a solution requires experimentation since not all membranes act the same way. Bibliography lists 8 sources.
Filename: BWosmos.rtf

Definitions of Life
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This 5 page paper explores how "life" might be defined within scientific areas of biology, ornithology, anthropology, paleontology and geology. Branches of science may guide us, but ultimately each individual must answer that question of what is life, through either opinion or their own belief system, as well as acknowledge that "Life is continually adapting to changing environmental conditions." Bibliography lists 6 sources.
Filename: BBlife.doc.

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

DENDROCHRONOLOGY AND THE FIELD OF QUATERNARY GEOLOGY
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This 5 page paper discusses the application of dendrochronology to the field of geology and paleogeology. Examples given, explanations offered. Bibliographpy lists 8 sources.
Filename: MBtrering.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

Desertification in the Sudan
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A paper which looks at the causes of desertification in the Sudan, and suggests national and international policies which might be implemented to address this issue. Bibliography lists 3 sources
Filename: JLdessud.rtf

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

Designing a Test To Assess a Link between the Emotion of Fear and the Amygdale
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This 4 page paper designs a test to assess if there is any link between the amygdale within the brain and the emotional of fear in human subjects. The paper looks at the best way to image the responses in the brain and then at how issues such as ethics can be overcome and how the test could be conducted. The bibliography cites 1 source.
Filename: TEfearamy.rtf