396 research outputs found
Uranium Occurrences in the Pacific Northwest
Uranium prospecting and production in the United States have been largely concentrated in the southwestern states, especially the plateau region of Utah, Colorado, Arizona and New Mexico. However, even with meager prospecting, numerous occurrences of uranium materials have been found in the Pacific northwest. These occurrences are in rooks ranging in age from pre-Cambrian Belt series to Tertiary volcanics and lake beds
“Go West young man, and grow up with this country”: Settler Colonialism, Gender and Property
As a theoretical starting point, this paper takes up Connell’s concept of hegemonic masculinity which posits that gender configurations are shifting and determined by whichever expectations best motivate behaviors that reinforce a hierarchical and complementary relation between genders. This hierarchical structure, following theorizations by Maria Lugones, is itself a product of the colonial encounter. With this in mind, this paper compares historical shifts in American gender configurations to the material demands of settlement. Utilizing existing research into settler gender identity between 1760 and 1870, it finds that the increasing emphasis on domesticity in gender discourses concretized gender configurations in the racialized nuclear family, facilitating overwhelming population booms and justifying land-grabbing. Resultingly, American manhood was configured around patriarchal familial relations and property, intimately connecting settlement and masculinity. The 2016 Malheur occupation in which armed, primarily white, militia members took over the Malheur National Wildlife Refuge in Oregon exemplifies this settler masculine complex. The militants routinely emphasized that their access to land was necessary for them to maintain their livelihoods and thereby their position as patriarchs. This paper finds that the connection between property and manhood is an important part of settler colonization because it embeds, at the level of socialization, an internal motive to seize and hold territory. Looking more broadly, the explanatory power of combining post-colonial feminist scholarship with modern gender research paradigms reveals not only their utility but also the need to take settler colonialism as a structural factor seriously in current American gender formation research
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THE SOS RESPONSE IN ESCHERICHIA COLI K12: AN EXPLORATION OF MUTATIONS IN LEXA AND RECA USING FLUORESCENCE MICROSCOPY
Faithful replication of the genome is paramount for maintaining the fitness of an organism. Therefore, life has evolved inducible mechanisms to be able to repair damaged DNA and maintain evolutionary fitness. The SOS response is a highly conserved DNA damage inducible response that is tightly regulated. Multiple factors contribute to the ability of the cell to perform proper DNA repair and induction of the SOS response including the amount of RecA, mutations in RecA that affect competition for DNA, and other proteins that interact with the RecA filament. The complex relationship between RecA and LexA is the subject of this work. This dissertation is comprised of two projects examining the genetics of the SOS response. In the first chapter, we overexpress a noncleavable mutant of lexA, lexA3, and demonstrate an association between high expression of lexA3, severe ultraviolet light sensitivity, and an increased number of punctate RecA-GFP structures. While the explanation for this phenotype is not completely clear, we were able to show that a four- vi fold increase in lexA3 expression led to a nearly ten-fold decrease in recA expression. The second chapter examines the role of charge at position 38 and position 184 in RecA, that are the sites of the recA730 and recA1202 mutations, respectively. These mutations confer a phenotype whose hallmark is constitutive expression of the SOS response. Upon substituting different residues at positions 38 and 184, we were able to show that a positive charge at these positions is associated with constitutive SOS expression. Together, these studies show the complexity that surrounds the SOS response in E. col
Consensus, Dissensus and Contractual Obligation Through the Prism of Uniform International Sales Law
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