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Theses/Dissertations

Life Sciences

2005

Theses and Dissertations - UTB/UTPA

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Collection, Isolation And Evaluation Of Nitrogen Fixing Bacteria In The Rio Grande Valley Of Texas, Thomas M. Eubanks May 2005

Collection, Isolation And Evaluation Of Nitrogen Fixing Bacteria In The Rio Grande Valley Of Texas, Thomas M. Eubanks

Theses and Dissertations - UTB/UTPA

Isolation from local soil samples with Phaseolus vulgaris (L.) produced 20 samples from which pure cultures were obtained. A commercial strain of Rhizobium #132 was obtained from Becker Underwood and included as a standard in the experiment. The results demonstrated that a variety of infective and effective of strains of Rhizobium nodulating Phaseolus vulgaris (L.) exist in the native soils of the Rio Grande Valley of Texas. A cluster of effective bacteria was identified and can serve as a basis for recommendations to inoculant industry in the Valley. An isolate collection has been established to serve as a source of …


The Effects Physical Activity Has On The Menstrual Cycle Characteristics Between Two Groups Of High School Athletes And One Group Of High School Non-Athletes, Yolanda D. Robinson May 2005

The Effects Physical Activity Has On The Menstrual Cycle Characteristics Between Two Groups Of High School Athletes And One Group Of High School Non-Athletes, Yolanda D. Robinson

Theses and Dissertations - UTB/UTPA

The purpose of this study was to assess and compare the menstrual cycle characteristics between two groups of high school athletes and one group of high school non-athletes. The study consisted of 30 high school females from Donna High School. The participants consisted of ten female basketball athletes from the Donna High School Basketball Team (14.5 ± 4.5 years), ten female volleyball athletes from the Donna High School Volleyball Team (14.5 ± 4.5 years) and ten females (14.5 ± 4.5 years) that were randomly picked out of the general female population of the Donna High School that do not participate …