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Articles 931 - 960 of 1541

Full-Text Articles in Life Sciences

18. Statistics, Northeastern State University Jan 2015

18. Statistics, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


New Crayfish Species Records From The Sipsey Fork Drainage, Including Lewis Smith Reservoir (Alabama, Usa): Native Or Introduced Species?, Susan B. Adams, Craig Roghair, Colin Krause, Melvin L. Warren Jr, J. Allison Cochran, Andy Dolloff,, John Moran, Stuart W. Mcgregor, Guenter A. Schuster, Michael Gangloff, Dennis R. Devries, Michael R. Kendrick, G. Lee Grove, Russell A. Wright Jan 2015

New Crayfish Species Records From The Sipsey Fork Drainage, Including Lewis Smith Reservoir (Alabama, Usa): Native Or Introduced Species?, Susan B. Adams, Craig Roghair, Colin Krause, Melvin L. Warren Jr, J. Allison Cochran, Andy Dolloff,, John Moran, Stuart W. Mcgregor, Guenter A. Schuster, Michael Gangloff, Dennis R. Devries, Michael R. Kendrick, G. Lee Grove, Russell A. Wright

Biological Sciences Faculty and Staff Research

As part of a study of aquatic faunal community changes along riverine-lacustrine transition zones upstream of Lewis Smith Reservoir in northwest Alabama, USA, we collected crayfish from 60 sites in the Sipsey Fork, Brushy Creek, and selected tributaries (Black Warrior River system). After finding two unexpected and possibly-introduced crayfish species, we expanded our investigation of crayfish distributions to include crayfish obtained from stomachs of black bass ( Micropterus spp.) caught at seven sites in the reservoir. To explore what crayfish species were in the drainage historically, we examined museum databases as well as stomach and intestinal contents of a variety …


15. Pharmacy, Northeastern State University Jan 2015

15. Pharmacy, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


19. Zoology, Northeastern State University Jan 2015

19. Zoology, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


02. Animal Science, Northeastern State University Jan 2015

02. Animal Science, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


04. Botany, Northeastern State University Jan 2015

04. Botany, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


05. Chemistry, Northeastern State University Jan 2015

05. Chemistry, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


09. Environmental Science, Northeastern State University Jan 2015

09. Environmental Science, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


10. Forensic Science, Northeastern State University Jan 2015

10. Forensic Science, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


12. Kinesiology, Northeastern State University Jan 2015

12. Kinesiology, Northeastern State University

Oklahoma Research Day Abstracts

No abstract provided.


Lifelines Winter 2015, Southern Adventist University Jan 2015

Lifelines Winter 2015, Southern Adventist University

Lifelines - Biology Department Newsletter

The Winter 2015 issue of Lifelines features articles on student research at the University of Tennessee College of Medicine, student missions to Peru over spring break, an alumni spotlight, and a pictorial directory of the 2015 biology and allied health graduates.


Using The Past To Restore The Future: Quantifying Historical Vegetation To Assist In Tidal Freshwater Wetland Restoration, Christopher D. Gatens Jan 2015

Using The Past To Restore The Future: Quantifying Historical Vegetation To Assist In Tidal Freshwater Wetland Restoration, Christopher D. Gatens

UROP Posters

Wetlands have been providing humans with critical natural ecosystem services throughout our time on Earth. Nevertheless, these invaluable ecosystems have been habitually altered as a cost of human progression. Two of the most common alterations to wetlands are damming and filling. Both occurred along Kimages Creek in Charles City County, VA during the 19th and 20th centuries. In 2010 the Lake Charles dam was partially removed, restoring the creek’s tidal communication with the James River. Upon the recession of the body of water, numerous woody stumps were revealed. We studied these stump remnants in an attempt to assess …


Evolution, Systematics & Geographic Parthenogenesis Of Ilyodromus (Crustacea, Ostracoda), Rylan James Shearn Jan 2015

Evolution, Systematics & Geographic Parthenogenesis Of Ilyodromus (Crustacea, Ostracoda), Rylan James Shearn

Theses

Most multicellular organisms reproduce sexually at some point in their life cycle. This is paradoxical because being asexual is theoretically far more advantageous. Asexual organisms do not need to find and court new mates, they reproduce at a faster rate, and with no males, all members of the population contribute toward population growth rate. With over 20, often mutually exclusive hypotheses, this paradox resists a synthesised explanation, and continues to represent one of the largest gaps in our understanding of fundamental evolutionary theory. Clearly, more real world studies are required that document the selective mechanisms underlying differences in evolutionary fitness …


Hannah Huddle: Visually Comparing Art And Science, Mark Hardison Jan 2015

Hannah Huddle: Visually Comparing Art And Science, Mark Hardison

AUCTUS: The Journal of Undergraduate Research and Creative Scholarship

Hannah Huddle, a junior at VCU majoring in communications arts with a concentration in scientific illustration, has been working on a research project with VCU biology professor Dr. Lesley Bulluck, and a group of six students, researching the Prothonotary Warbler. Unlike most researchers, Huddle is both studying the biology of the bird and making illustrations of the bird and the research involving the Warbler.


Full Issue: Volume 8, Number 2 Jan 2015

Full Issue: Volume 8, Number 2

The Science Journal of the Lander College of Arts and Sciences

No abstract provided.


Full Issue: Volume 9, Number 1 Jan 2015

Full Issue: Volume 9, Number 1

The Science Journal of the Lander College of Arts and Sciences

No abstract provided.


Biology: Inquiry-Based Learning Assignment, Richa Gupta Jan 2015

Biology: Inquiry-Based Learning Assignment, Richa Gupta

Open Educational Resources

Students perform a literature review on a biology topic, choose 2-3 papers published in scientific journals to discuss in their assignment, provide a final opinion on the topic, and some voluntarily present on their selected topic.


Introduction To Neuroscience, Charles Keller Jan 2015

Introduction To Neuroscience, Charles Keller

Open Educational Resources

Working with a partner from the class, students will choose a topic of interest relevant to the field of neuroscience, explore the relevant literature, write a 5-7 page paper on the topic, and present the results of their research to the class in the form of a 5-10 minute oral presentation.


Human Anatomy And Physiology I (Laboratory), Cecilia Ortiz Jan 2015

Human Anatomy And Physiology I (Laboratory), Cecilia Ortiz

Open Educational Resources

Students will be able to understand and do the following: describe the mechanism by which osmosis and different types of diffusion occur and compare and contrast the effects of hypertonic, isotonic and hypotonic conditions on cells.


Human Anatomy And Physiology Ii, Jhonny Ordonez Jan 2015

Human Anatomy And Physiology Ii, Jhonny Ordonez

Open Educational Resources

Students will learn and understand the importance of reflexes in human body, understand how the nerve impulse travels through the nerves and how to test a reflex.


A Basic Guide For Empirical Environmental Social Science, Michael Cox Jan 2015

A Basic Guide For Empirical Environmental Social Science, Michael Cox

Dartmouth Scholarship

In this paper, I address a gap in the literature on environmental social science by providing a basic rubric for the conduct of empirical research in this interdisciplinary field. Current literature displays a healthy diversity of methods and techniques, but this has also been accompanied by a lack of consistency in the way in which research in this area is done. In part this can be seen as resulting from a lack in supporting texts that would provide a basis for this consistency. Although relevant methods texts do exist, these are not written with this type of research explicitly in …


Evaluation Of The Signature Molecular Descriptor With Blosum62 And An All-Atom Description For Use In Sequence Alignment Of Proteins, Lindsay M. Aichinger Jan 2015

Evaluation Of The Signature Molecular Descriptor With Blosum62 And An All-Atom Description For Use In Sequence Alignment Of Proteins, Lindsay M. Aichinger

Williams Honors College, Honors Research Projects

This Honors Project focused on a few aspects of this topic. The second is comparing the molecular signature kernels to three of the BLOSUM matrices (30, 62, and 90) to test the accuracy of the mathematical model. The kernel matrix was manipulated in order to improve the relationship by focusing on side groups and also by changing how the structure was represented in the matrix by increasing the initial height distance from the central atom (Height 1 and Height 2 included).

There were multiple design constraints for this project. The first was the comparison with the BLOSUM matrices (30, 62, …


Human Anatomy And Physiology Preparatory Course (1st Edition), Carlos Liachovitzky Jan 2015

Human Anatomy And Physiology Preparatory Course (1st Edition), Carlos Liachovitzky

Open Educational Resources

The overall purpose of this preparatory course textbook is to help students familiarize with some terms and some basic concepts they will find later in the Human Anatomy and Physiology I course.

The organization and functioning of the human organism generally is discussed in terms of different levels of increasing complexity, from the smallest building blocks to the entire body. This Anatomy and Physiology preparatory course covers the foundations on the chemical level, and a basic introduction to cellular level, organ level, and organ system levels. There is also an introduction to homeostasis at the beginning.


Tp53 And Hras Influence On Hpv16 E7 Expression In Hpv16-Transformed Human Keratinocytes, Nella Christie Delva Jan 2015

Tp53 And Hras Influence On Hpv16 E7 Expression In Hpv16-Transformed Human Keratinocytes, Nella Christie Delva

Theses and Dissertations

Head and Neck Squamous Carcinoma (HNSCC) is one of the most common cancers worldwide. HNSCC affects regions of the upper aerodigestive tract such as the lip, tongue, nasopharynx, oropharynx, larynx, and hypopharynx. About 25% of all HNSCC cases and up to 65% of Oropharyngeal Carcinoma (OPC) cases are positive for HPV DNA. African American patients, especially males, present primarily with HPV-negative HNSCC. HNSCC’s that are HPV-positive tend to be HPV-active at initial presentation: these cancers contain HPV DNA and express HPV RNA. However, recurring HPV-positive cancers of the head and neck are more often inactive: these tumors contain HPV DNA, …


Parental Experience And Its Effects On Reproductive Success In Common Loons, Brandon S. Braden Ms Jan 2015

Parental Experience And Its Effects On Reproductive Success In Common Loons, Brandon S. Braden Ms

All Student Scholarship

Common Loons (Gavia immer) are a highly territorial , long-lived species of waterbird that breed throughout the northern tier of North America. Loons form pair bonds seasonally, on their breeding territories, but overwinter separately. Much is known about environmental effects on loon reproductive success but little is known about how parental experience affects reproductive outcomes. I investigated the effects that individual experience and breeding pair length have on the reproductive success of Common Loons. The data I used were a compilation of individual territory occupancy and breeding records that were obtained by the Biodiversity Research Institute in Gorham, Maine from …


Modeling Atp-Binding Cassette G2 (Abcg2) Substrate Specificity, Raghav D. Acharya, Aurijit Sarkar, Glen E. Kellogg Jan 2015

Modeling Atp-Binding Cassette G2 (Abcg2) Substrate Specificity, Raghav D. Acharya, Aurijit Sarkar, Glen E. Kellogg

UROP Posters

How well can we predict efflux by ATP-binding cassette G2?

It is estimated that there will be about 1.6 million new cases of cancer and half a million cancer deaths in the US during 2015.ATP-binding cassette (ABC) efflux transporters such as ABCG2 are overexpressed in chemotherapy-resistant cancer cells. Anticancer drugs are prone to efflux by these transporters. Being able to identify drugs that are effluxed is of great interest in drug discovery.The current arsenal of methods used to detect efflux are not easily adaptable to high throughput formats and are limited in scope, making experimental analysis an expensive prospect. Hence, …


Smoking Patterns Among Vcu Students, Jasmine Saini Jan 2015

Smoking Patterns Among Vcu Students, Jasmine Saini

UROP Posters

For some individuals, college can be a high risk time for the development of problems associated with alcohol use and other substances. The purpose of this study is to examine these initiation and use patterns as they relate to nicotine use among college students 18 years of age and older enrolled in Spit for Science: The VCU Student Survey. The Spit for Science research project evaluates how genetic and environmental factors contribute to substance use and emotional health among college students at VCU. This study uses data from the Spit for Science 2011 cohort (n=2007) to investigate smoking patterns among …


Induction Of Larval Settlement In The Reef Coral Porites Astreoides By A Cultivated Marine Roseobacter Strain, Koty H. Sharp Jan 2015

Induction Of Larval Settlement In The Reef Coral Porites Astreoides By A Cultivated Marine Roseobacter Strain, Koty H. Sharp

Arts & Sciences Faculty Publications

Successful larval settlement and recruitment by corals is critical for the survival of coral reef ecosystems. Several closely related strains of γ-proteobacteria have been identified as cues for coral larval settlement, but the inductive properties of other bacterial taxa naturally occurring in reef ecosystems have not yet been explored. In this study, we assayed bacterial strains representing taxonomic groups consistently detected in corals for their ability to influence larval settlement in the coral Porites astreoides. We identified one α-proteobacterial strain, Roseivivax sp. 46E8, which significantly increased larval settlement in P. astreoides. Logarithmic growth phase (log phase) cell cultures of Roseivivax …


Developing A Gene Editing System To Study Haplodiploidy In The Jewel Wasp, Nasonia Vitripennis, Emily A. Muller Jan 2015

Developing A Gene Editing System To Study Haplodiploidy In The Jewel Wasp, Nasonia Vitripennis, Emily A. Muller

Scripps Senior Theses

Hymenopteran insects, which include all ants, bees and wasps, reproduce through a poorly understood form of reproduction known as haplodiploidy. A promising experimental system for understanding this developmental process is the jewel wasp, Nasonia vitripennis. A critical aspect of using Nasonia as a model is establishing an effective means for editing specific genes of interest so that their functions can be studied through genetic means. For my thesis research, I performed a pilot study of the gene editing method known as CRISPR in Nasonia. I targeted the single heterochromatin protein 1 (HP1) gene present in the Nasonia genome …


Characterizing The Evolutionary Path(S) To Early Homo, Lauren Schroeder, Charles C. Roseman, James M. Cheverud, Rebecca R. Ackermann Dec 2014

Characterizing The Evolutionary Path(S) To Early Homo, Lauren Schroeder, Charles C. Roseman, James M. Cheverud, Rebecca R. Ackermann

Biology: Faculty Publications and Other Works

Numerous studies suggest that the transition from Australopithecus to Homo was characterized by evolutionary innovation, resulting in the emergence and coexistence of a diversity of forms. However, the evolutionary processes necessary to drive such a transition have not been examined. Here, we apply statistical tests developed from quantitative evolutionary theory to assess whether morphological differences among late australopith and early Homo species in Africa have been shaped by natural selection. Where selection is demonstrated, we identify aspects of morphology that were most likely under selective pressure, and determine the nature (type, rate) of that selection. Results demonstrate that selection must …