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Full-Text Articles in Life Sciences
The Effects Of Average Annual Temperature On Flowering Times And Flower Count, Angela Copploe
The Effects Of Average Annual Temperature On Flowering Times And Flower Count, Angela Copploe
Williams Honors College, Honors Research Projects
Over a course of 15 years, three different species of flowers were examined to see the relationship between the increase in average annual temperature, flowering time, and flower count.
Plant Hormone Lab Module: Assessing Different Factors To Create The Most Effective Lab, Ahmed El-Kulak
Plant Hormone Lab Module: Assessing Different Factors To Create The Most Effective Lab, Ahmed El-Kulak
Williams Honors College, Honors Research Projects
The research project focused on evaluating 3 different factors in creating a plant hormone lab module for Principles of Biology II lab. The main hormone of focus was brassinosteroid. In the model plant Arabidopsis thaliana, brassinosteroids promote cell elongation, cell division, root growth, and seed germination. Three goals were established to create the most efficient lab module possible. First, mutant (bes1,bri1) root length was assessed without addition of brassinolide (BL), a synthetic brassinosteroid. Then, ½ MS and ½ MS + 20% sucrose plates were compared to see which media produced the greatest difference in root growth between the mutant lines. …
Do Epidermal Cell Types Have An Effect Upon Ultraviolet Patterns On Flower Petals?, Margaux Flaherty
Do Epidermal Cell Types Have An Effect Upon Ultraviolet Patterns On Flower Petals?, Margaux Flaherty
Williams Honors College, Honors Research Projects
Flower petal epidermal cell shape and ultraviolet patterns called nectar guides may have a considerable impact on pollinator behavior and consequently, the reproductive success of the floral species. Similarly, flower petal epidermal cell shape may have an effect on floral color; however, these effects have only been measured in the visible light range (Whitney et al., 2009). This study attempts to determine if epidermal cell shape has an effect upon ultraviolet floral patterns. Experimental results show that all of the floral species studied seem to have a conical epidermal cell shape, but varying levels of ultraviolet reflectance and absorbance; …