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Articles 4891 - 4920 of 10257
Full-Text Articles in Entire DC Network
The Effects Of Allergies On Cancer, Robert E. Beck, Dr. Ray M. Merrill
The Effects Of Allergies On Cancer, Robert E. Beck, Dr. Ray M. Merrill
Journal of Undergraduate Research
There has been some research conducted on the relationship between allergies and cancer. The goal of our research was to be able to compile all information in the medical literature in order for the associations between allergies and specific cancer sites (i.e. breast, prostate. etc.) might be compared. We wanted to find out what associations, if any exist between allergies and specific cancer sites. Now that the associations have been found it is hoped that future research will support this research as well as use this information to establish how and why these associations occur.
A Novel Approach To Assessing The Metastatic Potential Of Cancer Cells, Nyall Robert London Jr., Dr. Kim O'Neill
A Novel Approach To Assessing The Metastatic Potential Of Cancer Cells, Nyall Robert London Jr., Dr. Kim O'Neill
Journal of Undergraduate Research
Cancer remains a major cause of death around the world today. A major problem with cancer is metastasis or the spread of cancerous cells from the tumor to a secondary location. This occurs when cancer cells break away from a primary tumor, invade the tissue, and travel through the bloodstream or lymphatic system to other parts of the body. The aim of this study was to develop a cost-effective in vivo model through which metastasis could be explored in more depth.
Discovering Ancient Human Activities In Rural Maya Settlements: Soil Chemical Analysis Of Ruins In Yucatán, México, Carmen Lopez, Dr. Richard E. Terry
Discovering Ancient Human Activities In Rural Maya Settlements: Soil Chemical Analysis Of Ruins In Yucatán, México, Carmen Lopez, Dr. Richard E. Terry
Journal of Undergraduate Research
For many decades, scientists have been amazed by the magnificence of the Ancient Maya culture. Mayapan is a Postclassic (900-1500 A.D.) Maya city in the Yucatán Península that covers an area of 4 square km. It was the capital of the Postclassic Maya kingdom and it represents one of most significant sites for archaeologists. The tropical environment limits preservation of many of ancient structures and artifacts. Another important Maya city was found in the corn fields and pasture lands of Chunchucmil. The archaeological surveys of the area have yet to find the outside edge of the ancient city. Chunchucmil is …
Finding A Sex-Linked Marker In Ostriches Using Random Amplified Polymorphic Dna (Rapd) Techniques For Gender Determination, Chris Shaw, Dr. Robert Park
Finding A Sex-Linked Marker In Ostriches Using Random Amplified Polymorphic Dna (Rapd) Techniques For Gender Determination, Chris Shaw, Dr. Robert Park
Journal of Undergraduate Research
In recent years, ostriches have been used more frequently by ranches to fill the market demand for low fat meat, exotic leather and different oils for lubrication. As the numbers of ostriches have increased, the demand for a reliable way to determine the gender of young ostriches has risen as well. The problem with sexing comes from the fact that the cloacas of young ostriches don’t develop until they are nearly six months old. Without the developed cloaca, it is impossible to differentiate the males birds from the females. Often, the birds are sold as breeding pairs when they are …
The Effects During Embryogenesis And Tumorigenesis Of Dominant-Active Beta Catenin In Wnt Signaling, Melissa Schmidt, Dr. Jeffery Richard Barrow
The Effects During Embryogenesis And Tumorigenesis Of Dominant-Active Beta Catenin In Wnt Signaling, Melissa Schmidt, Dr. Jeffery Richard Barrow
Journal of Undergraduate Research
Cell communication is crucial in multiceullar organisms. Cells have therefore devised signaling pathways for intracellular communication. One of these is the Wnt signaling pathway. Wnt signaling plays an important role in cell fate decisions during embryogenesis. In the adult, Wnt signaling has been hypothesized to be essential in the maintenance of adult gut, blood, and skin tissues. Interestingly, aberrant Wnt signaling has been found to be the primary defect in all colon cancers and to be the cause of other tumors such as hepatocellular carcinoma (HCC).
Landscape Genetics Of The Troglophilic Crayfish Cambarus Tenebrosus, James Bradley Finlay, Dr. Keith A. Crandall
Landscape Genetics Of The Troglophilic Crayfish Cambarus Tenebrosus, James Bradley Finlay, Dr. Keith A. Crandall
Journal of Undergraduate Research
There has always been a fascination with the great diversity of species that exist on the earth. For my project I chose to investigate this diversity phenomenon by examining the intraspecific relationships between populations of the freshwater crayfish currently considered Cambarus tenebrosus (Hay, 1902) taxonomically (by morphology). This crayfish species is found continuously throughout the central lowlands of the United States (Taylor 1997). C. tenebrosus is unique among other crayfish due to its ability to thrive in a cave environment as well as surface streams and springs. By studying these organisms one can more fully understand the effects that human …
The Crayfish Identity Crisis: A Morphological And Genetic Assessment Of Biodiversity, Matthew R. Carpenter, Dr. Keith A. Crandall
The Crayfish Identity Crisis: A Morphological And Genetic Assessment Of Biodiversity, Matthew R. Carpenter, Dr. Keith A. Crandall
Journal of Undergraduate Research
Among the most endangered animal groups of North America is the freshwater crayfish. Their survival has been hindered by rapid growth in the human population, water pollution, and habitat degradation. The American Fisheries Society has estimated that 50% of freshwater crayfishes are in need of conservation measures (Taylor et al. 1996). However, only 1% is currently protected under the Endangered Species Act of 1973. Because crayfish are at the center of invaluable research as top predators, nutrient recyclers, and bio-indicators of our water quality, it is important that conservation measures are taken.
Pioneer Lizards: Speciation In South America, Cameron R. Turner, Dr. Jack W. Sites
Pioneer Lizards: Speciation In South America, Cameron R. Turner, Dr. Jack W. Sites
Journal of Undergraduate Research
Understanding the processes by which new species are formed is a primary objective of evolutionary biology. My project aimed to contribute to this understanding by measuring the genetic and geographic structure of a population of South American lizards, Liolaemus koslowskyi. Previous research (1) had provided evidence for a trend of more complex genetic structure in northern versus southern ends of distribution ranges in several lizard complexes of the genera Liolaemus and Cnemidophorus in temperate South America. L. koslowskyi is limited to the extreme northern end of the genus’ distribution and by sampling its entire range I would be able to …
Relative Rates Of Molecular Evolution In Antarctic Nematodes, Tj Bliss, Dr. Byron J. Adams
Relative Rates Of Molecular Evolution In Antarctic Nematodes, Tj Bliss, Dr. Byron J. Adams
Journal of Undergraduate Research
Molecular evolution is defined as any change in the genetic makeup of an organism. Since organisms of the same species and community tend to undergo similar molecular changes, rates of molecular evolution are often measured at the species level. It is well established that different species appear to evolve at different rates across evolutionary time. Comparing the rates of evolution among different species determines the relative rate of molecular evolution in those species. Many things are known to affect the rate of molecular evolution of a species. These influences include, but are not limited to: body size, generation time, and …
Selection, Horizontal Gene Transfer And Convergent Molecular Evolution In Plant-Parasitic Nematodes, Adler Ray Dillman, Dr. Bryon J. Adams
Selection, Horizontal Gene Transfer And Convergent Molecular Evolution In Plant-Parasitic Nematodes, Adler Ray Dillman, Dr. Bryon J. Adams
Journal of Undergraduate Research
The phylum Nematoda is a large and diverse group, making-up an estimated 80% of Metazoans [1]. Of specific agricultural importance are the plant-parasitic nematodes, which are responsible for the loss of an estimated 12.3% of the world’s annual crop production [2]. We looked at the most destructive members of the family Heteroderidae, the cyst (Heterodera and Globodera spp.) and root-knot (Meloidogyne spp.) nematodes.
Snp Discovery In Quinoa, Nathan Coles, Dr. Craig E. Coleman
Snp Discovery In Quinoa, Nathan Coles, Dr. Craig E. Coleman
Journal of Undergraduate Research
Quinoa (Chenopodium quinoa, Willd) is an allotetraploid plant species native to the Andean highland regions from Colombia to Argentina. Quinoa has traditionally been and still is an important staple grain of various Andean communities, especially those in the rural and impoverished regions of Peru and Bolivia. Quinoa is an excellent source of protein and vitamins to these communities, specifically because the highland Andes are not well-suited for the cultivation or production of temperate crops or large livestock. Additionally, quinoa is a gluten-free grain and can be used as a wheat alternative for those with celiacs disease. Quinoa has been embraced …
The Jesus Road, Brian Doyle
Timp, Drew Botcherby
On Artichokes And Systems, Carin Olavson
Killing, Rigdon Holmquist
Nombres Propios De Persona En La República Dominicana, Orlando Alba
Nombres Propios De Persona En La República Dominicana, Orlando Alba
Books
No abstract provided.
Editor's Note: The Struggles Of Civilization, Joseph Drew
Editor's Note: The Struggles Of Civilization, Joseph Drew
Comparative Civilizations Review
No abstract provided.
Saharasia: Geographical Comparisons Of World Cultures And Civilizations, James Demeo
Saharasia: Geographical Comparisons Of World Cultures And Civilizations, James Demeo
Comparative Civilizations Review
No abstract provided.
Sixteen Related Crises And The Limits Of Civilization In The 21st Century, Andrew Targowski
Sixteen Related Crises And The Limits Of Civilization In The 21st Century, Andrew Targowski
Comparative Civilizations Review
No abstract provided.
Taking Ownership Of Distance In The Stone Age With Spear, Atlatl, And Archery: Prehistoric Weapon Systems And The Domination Of Distance, Harry Rhodes
Comparative Civilizations Review
No abstract provided.
Laina Farhat-Holzman: Worldchangers: Ten Inventions That Changed Everything., George Von Der Muhll
Laina Farhat-Holzman: Worldchangers: Ten Inventions That Changed Everything., George Von Der Muhll
Comparative Civilizations Review
No abstract provided.
Design And Construction Of The Great Tabernacle Arches, Elwin C. Robison, W Randall Dixon
Design And Construction Of The Great Tabernacle Arches, Elwin C. Robison, W Randall Dixon
BYU Studies
Brigham Young desired to build a place where thousands of Saints could meet and a speaker could be heard. The Great Tabernacle in Salt Lake City was built using trussed arches. The genesis of this type of construction was the lattice truss, patented in 1820. The design was brought to Utah by Henry Grow. Brigham Young hired Grow to design and build a road bridge made of straight wooden lattice trusses over the Jordan River in 1860. Trusses could also be built as arches, and the Tabernacle was built as a long barrel vault with half-arch ends. This design allowed …
Civilizational And Environmental Effects Of Monolia's Transition From A Pastoral To A Market-Driven Economy, Lynn Rhodes
Civilizational And Environmental Effects Of Monolia's Transition From A Pastoral To A Market-Driven Economy, Lynn Rhodes
Comparative Civilizations Review
No abstract provided.
Europe As A Civilization: The Revolution Of The Middle Ages & The Rise Of The Universities, Toby E. Huff
Europe As A Civilization: The Revolution Of The Middle Ages & The Rise Of The Universities, Toby E. Huff
Comparative Civilizations Review
No abstract provided.
David J. Rosner, Conservatism And Crisi, The Anti-Modernist Perspective In Twentieth-Century German Philosophy., J. Randall Groves
David J. Rosner, Conservatism And Crisi, The Anti-Modernist Perspective In Twentieth-Century German Philosophy., J. Randall Groves
Comparative Civilizations Review
No abstract provided.
Full Issue, Comparative Civilizations Review
Full Issue, Comparative Civilizations Review
Comparative Civilizations Review
No abstract provided.
A Quadruplex Real-Time Pcr Assay For The Rapid Detection And Differentiation Of The Burkholderia Pseudomallei Complex: B. Mallei, B. Pseudomallei, And B. Thailandensis, Chinn-Woan Lowe
Theses and Dissertations
Methods for the rapid detection and differentiation of the Burkholderia pseudomallei complex comprising B. pseudomallei, B. mallei, and B. thailandensis, have been the topic of recent research due to the high degree of phenotypic and genotypic similarities of these species. B. pseudomallei and B. mallei are the causative agents of melioidosis and glanders, respectively. B. pseudomallei and B. mallei are recognized by the CDC as tier 1 select agents. Although B. thailandensis is generally avirulent in mammals, this species displays very similar phenotypic characteristics to that of B. pseudomallei. Optimal identification of these species remains problematic, …