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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Analysis Of Optimum Location, Viability, And Potential Effects Of Wind Farm Construction In Maine, Elizabeth Benson, Ryan Scott
Analysis Of Optimum Location, Viability, And Potential Effects Of Wind Farm Construction In Maine, Elizabeth Benson, Ryan Scott
Undergraduate Research Symposium (UGRS)
Maine has the highest potential for wind energy in New England and falls within the top twenty states in the nation. It falls just behind Wisconsin and California with an estimate electrical output of 56 billion kWhs. The geological makeup of Maine’s mountains in the western part of the state, and the exposed coastline provide opportune areas to capture wind and convert it into energy. The information included in this poster will suggest the most likely areas for wind development based on a number of factors as recommended by the American Wind Energy Association.
The Movement Of The Gastrop Littorina Littorea In The Intertidal Zone During The Onset Of Winter, Jon Lefcheck
The Movement Of The Gastrop Littorina Littorea In The Intertidal Zone During The Onset Of Winter, Jon Lefcheck
Undergraduate Research Symposium (UGRS)
The movement of the snail Littorina littoreaon the North Atlantic coast is poorly understood. Most research has concentrated on the vertical distribution of the snail, and suggests that it prefers the low intertidal zone where its food source is most plentiful. In the winter, this distribution is reinforced by a documented seaward migration of snails from the high intertidal zone in response to falling temperatures. From October 14, 2006 to January 22, 2007, I examined the individual movements and recovery of snails in response to the onset of winter. I proposed that falling water and air temperatures drive the majority …
Characterization Of Afn1, A Gene Associated With Cereal Grain Germination, Tenzin Tsewang, Russell Johnson
Characterization Of Afn1, A Gene Associated With Cereal Grain Germination, Tenzin Tsewang, Russell Johnson
Undergraduate Research Symposium (UGRS)
The AFN1 gene is transiently expressed in germinating oat grains. As AFN1 is not expressed in dormant oat grains during imbibition, we hypothesize that AFN1 may be involved in stimulating the germination process. Sequence analysis of an AFN1 cDNA clone indicates that the AFN1 polypeptide is similar to a previously identified abscisic acid (ABA) glucosyl transferase. This suggests that AFN1 may be acting to glucosylate ABA, thereby inactivating it. As the hormone ABA is known to inhibit germination, ABA glucosylation/inactivation could lead to germination in grains expressing AFN1. To test this hypothesis, we have constructed an expression plasmid that encodes …
A Pollen Chase Experiment; Examining Varying Levels Of Embryonic Inbreeding Depression, Emily Wilson, Judy Stone
A Pollen Chase Experiment; Examining Varying Levels Of Embryonic Inbreeding Depression, Emily Wilson, Judy Stone
Undergraduate Research Symposium (UGRS)
A pollen chase experiment was performed upon three Costa Rican populations of Witheringia solanacea to examine the breakdown of genetically enforced self incompatibility (SI) and the extent of embryonic inbreeding depression. Self-pollen was applied in the bud, with outcross pollen applied one day later, and outcross pollinations at both intervals as a control. A variety of responses were found among the populations. BOHS readily accepted self pollen and suffered from very low inbreeding depression. Monteverde and Las Cruces both have lower fruit set with self-pollination precedence indicating that bud pollinations can overcome the self-incompatibility response and that embryonic death due …
Measuring Ultrasonic Communication Between Mouse Pups And Adult Mother Mice, Katie Ludwig
Measuring Ultrasonic Communication Between Mouse Pups And Adult Mother Mice, Katie Ludwig
Undergraduate Research Symposium (UGRS)
Measuring ultrasonic communication provides us with a way to study parental influence on animals. In this study I measured the ultrasonic communication between mouse pups and two maternal females, one of which who had given birth to the pups and the other had raised them. I found that there was no significant difference between the amount of noise expressed by pups in response to each the biological mother and foster mother test groups. Mouse pups call to maternal females regardless of genetic relatedness. Communication in mice may be a more complicated model because of their communal nature.