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  • The effects of an immersion bilingual mathematics institute on the achievement of seventh grade Mexican-American students

    Creator:
    Ebert, C. Steven
    Abstract:
    The purpose of this study was to determine the extent to which an Immersion Bilingual Mathematics Institute (IBMI) can affect the mathematics achievement of entering seventh grade students of Mexican-American heritage. Mathematics achievement was defined as mathematics skills measured by the Mathematics Computation and Mathematics Concepts and Applications tests of...
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    Dissertation
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    -AMERICAN STUDENTS Abstract approved: Gene F. Craven The purpose of this study was to determine the

  • The function of the homeobox transcription factor Pitx2 during mammalian skeletal muscle development

    Creator:
    Shih, Hung Ping
    Abstract:
    Homeodomain transcription factors control developmental processes. They pattern body formation, specify cell lineages and switch the onset of gene regulatory cascades. Pitx2, a bicoid-related homeodomain transcription factor, is asymmetrically expressed in the left lateral plate mesoderm and mesoderm-derived tissues. Pitx2 null mice are characterized by failure of body wall closure,...
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    Dissertation
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    the onset of gene regulatory cascades. Pitx2, a bicoid-related homeodomain transcription factor, is

  • The relationship between individualism vs. collectivism and the culturally intelligent behavior of counselor trainees

    Creator:
    James, Gene M.
    Abstract:
    Multicultural competency has been established as important component of communicating within a cross-cultural ecology. Yet, there is evidence that many counselors struggle to communicate and interact outside of their own cultural communication norms. Until this study, no one has attempted to integrate culture and intelligence as a unitary counseling construct....
    Resource Type:
    Dissertation
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    Intelligent Behavior of Counselor Trainees by Gene M. James A DISSERTATION submitted to

  • End-of-life caregiving

    Creator:
    Nelson, Christine A.
    Abstract:
    Over the past decade, changes in health, economic, and social policies have shifted the dying process out of hospitals and into the community. This exploratory,hypothesis-generating study investigated positive and negative caregiving as well as care management resources of community-based end-of-life caregivers and how they related to caregivers' personal growth following...
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    Dissertation
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    DISSERTATION OF Christine A. Nelson for the degree of Doctor of Philosophy in Human Development and

  • Energetics and mechanics of swing phase during terrestrial locomotion

    Creator:
    Nelson, Frank E.
    Abstract:
    Previous attempts to understand the factors affecting the energetic cost of locomotion have found a direct link between the energetic cost and the mechanical work done during periods when the limb is in contact with the ground. However, when the limb is not in contact with the ground during the...
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    Dissertation
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    by Frank E. Nelson A DISSERTATION submitted to Oregon State University

  • Functions and regulation of cytokinin glucosyltransferases

    Creator:
    Pineda Rodó, Albert
    Abstract:
    Cytokinins can be conjugated to N- and O-glucosides. While N-glucosylation generally leads to irretrievable loss of activity, O-glucosides are thought to play an important role in cytokinin storage and homeostasis since they can be hydrolyzed to the corresponding aglycones. The first zeatin O-glycosyltransferase genes isolated were ZOG1 and ZOX1 from...
    Resource Type:
    Dissertation

  • Functional analysis of the biosynthetic gene cluster of the antitumor agent cetoniacytone A

    Creator:
    Wu, Xiumei
    Abstract:
    A gene cluster responsible for the biosynthesis of the antitumor agent cetoniacytone A was identified in Actinomyces sp. strain Lu 9419, an endosymbiotic bacteria isolated from the intestines of the rose chafer beetle. The nucleotide sequence analysis of the 26 Kb DNA region revealed the presence of 17 complete ORFs,...
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    Dissertation
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    . Title: Functional Analysis of the Biosynthetic Gene Cluster of the Antitumor Agent Cetoniacytone A

  • Endogenous and antiviral RNA silencing pathways in Arabidopsis

    Creator:
    Chapman, Elisabeth J.
    Abstract:
    RNA silencing pathways are required for a wide variety of processes in most eucaryotes. In plants, small-interfering RNA (siRNA) arising from transposons and other repetitive sequences is associated with heterochromatin formation and maintenance. MicroRNAs and trans-acting siRNAs encoded at discrete loci function as negative regulators of gene expression by triggering...
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    Dissertation
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    target genes are ascribed to only a fraction of these [20-22]. MIRNA genes and target gene families

  • Remediation of atrazine in irrigation runoff by a constructed wetland

    Creator:
    Runes, Heather B.
    Abstract:
    Due to its frequent use in agriculture and its frequent detection in surface water, atrazine was chosen as a model compound to study the treatment capability of a surface flow wetland used to remediate irrigation runoff at a container nursery near Portland, Oregon. Further evaluation of treatment of atrazine was...
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    Dissertation
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    Atrazine in Irrigation Runoff by a Constructed Wetland. Abstract approved: Due to its frequent use in

  • Plasma carotenoids and retinol and dietary intake : association with in situ and invasive cervical carcinomas in Bangkok, Thailand

    Creator:
    Kaunda, Jean R.
    Abstract:
    There is a strong evidence that human papillomavirus (HPV) is the key causative agent of cervical cancer. However, the majority of women who are exposed to the oncogenic HPV do not develop invasive cervical cancer, suggesting that other factors could play a role in the cause and progression of cervical...
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    Dissertation
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    There is a strong evidence that human papillomavirus (HPV) is the key causative agent of cervical