How Chromatography Helps The Human Race Chromatography is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates. “Chromatography is done by making of a mixture move past the solids‚ or across the surface of a solid‚ like paper. The mixture is poured onto a solid surface. As the different components of the liquid run down the solid‚ some of them move more slowly than other. A component
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Abstract Drosophila Melanogaster is one of the best organisms to study when researching genetics; in particular sex linked genes on the X chromosome. The principle reason for this study was to determine what genes were transferred to the males from the females‚ as the males only inherit one X chromosome. Two experiments were conducted in which female and male flies were crossed. The first experiment was a cross between 5-trait females and wildtype males; the second experiment was a cross between
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lab.Professor Lee has been in the biological science department in UCSC since 2007. his current research includes using Drosophila fly to study genetic and development biology. I was impressed with Lee’s techniques into studying Alzheimer’s with the Drosophila fly(fruit fly). While I was reading the research paper‚ I had this unsettling question to why using precisely Drosophila fly to study Alzheimer’s. However‚ during his lecture or presentation‚ I came to find out that the main reason he was
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Drosophila melanogaster are a species more commonly known to us as fruit flies. They are extremely important in biological research due to the fact that they make excellent model organisms for understanding genetics. Reasons behind their frequent use include; easily cultured in the lab‚ short generation time‚ and they can produce many offspring. In this lab report‚ we began with three different strains of Drosophila. Introduction The common form of Drosophila is known as the “wild type”‚ any fly
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Candy Chromatography Background info: Paper chromatography is a logical technique used to separate works of a solution. Three examples of how we apply this technique to real-life would be: contaneminants in water‚ separation of plant pigmentation‚ and analysis of narcotics. Source: http://www.discoveriesinmedicine.com/Bar-Cod/Chromatography.html#b Purpose: To find out why candies are different colors. * Materials: Candy with a colored coating‚ like Skittles® or M&Ms® (4 different
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initially entered labs 100 years ago. Thomas Hunt Morgan‚ who lived from 1866 to 1945‚ was the founder of drosophila genetics. Thomas preformed his research in Morgan lab at the Columbia University in 1910. Here was when they found a famous mutation‚ know as the white-eyed fly. Quite an accomplishment was this discovery‚ but the end of the 1980’s there were 3‚000+-recorded mutations. Now drosophila is very popular; so popular‚ it would be almost impossible to list the number of things that are being
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Discussion The goal of the experiment was to determine what gene or genes are responsible for the white eye phenotype of two strains of Drosophila melanogaster. According the literature‚ the w+ gene is located on the X chromosome at 1.5 genetic map units (1). In addition‚ the st+ and bw+ genes are autosomal and assort independently‚ meaning they are two different genes located on two different chromosomes. It is stated that the bw+ gene is located on the 2R chromosome at 104.5 map units (2)
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Introduction In most kitchens the small flies that are found are Drosophila Melanogaster also called fruit fly. They are often brought in by ripened tomatoes‚ grapes and other perishable items from the garden. Drosophila melanogaster is a little two winged insect about 3mm long two winged insect that belongs to the Diptera‚ the order of the flies. The drosophila egg is about half a millimeter long. Fertilization takes about one day the embryo to develop and hatch into a worm-like larva. The larva
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Marketing II – Group Assignment Waters Chromatography Division: US field Sales Submitted by: Group 5‚Section D ArkayanBagchi (2010PGP063) Harveer Singh (2010PGP449) Kaushlendra Singh (2010PGP150) Krishna Kishore Burugula (2010PGP163) Loveneesh Solanki (2010PGP170) RohanWagh (2010PGP311) Sameer Morey (2010PGP325) Protagonist The cases does not give any specific issues to be solved by any
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Christian Chou Mrs. McCarron 12/10/14 A.P Biology Drosophila melanogaster Genetics Introduction: The common fruit fly‚ scientifically named Drosophila melanogaster‚ is used by many in genetic studies. Because they can be easily cultured‚ have a relatively short generation time‚ and are prolific breeders‚ fruit flies are often very popular in genetic investigations. Furthermore‚ mutations and sex are easy to visualize among the fruit flies. Male fruit flies have a smaller abdomen than their female counterparts
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