Of a Sample Mixture By Liquid-Liquid Extraction Reading assignment: Techniques in Organic Chemistry 2nd ed pages 75-99. 3rd ed pages 113-140. Topics and Techniques i) identification of solvent layers of two immiscible solvents ii) partioning of a compound between two immiscible solvents and determination of KD iii) liquid-liquid extraction with aqueous acids and bases with organic solvents. iv) use of drying agents Introduction Liquid-liquid extraction is a method used for the separation of
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Banana related information My friend Petal peels her bananas from the bottom. Well‚ it’s the top‚ actually‚ since bananas grow upside down. Come to think of it‚ that’s not quite right either—bananas grow the way they grow‚ which should be right-side up by definition‚ even if we think of them as upside down. So let me start over. Petal peels her bananas from the end without the stem. I mentioned as much at the lunch table last week and triggered a firestorm of debate that has put several
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Banana Wars The banana industry has long been the center of controversy. In some instances‚ the banana has been the necessary means for countries to become economically and politically powerful; however‚ in other instances it has been a hindrance leading to complete dependency and the decline in other industries. Since the banana has turned into a leading crop for a number of countries‚ the struggle to control production and distribution is at an all-time rise‚ thus creating the “banana wars
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DNA fingerprinting is a method that compares the fragments of DNA. DNA fingerprinting was first invented to detect the presence of genetic diseases. Today‚ DNA fingerprinting is used in different ways. DNA is analyzed using a Southern Blot‚ which allows scientists to observe the base pair patterns. DNA fingerprinting can be used in a few different ways. First‚ to find out if the child belongs to a person DNA fingerprinting may be used. When a child is born‚ it inherits the VNTR’s from the father
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Miraculous Banana and Its Peel. Photo © Liesl Clark The banana peel‚ like coffee grounds‚ tea leaves‚ and orange peels has a lot of beneficial qualities that’ll make you think twice the next time you toss it in the trash. We’ve gathered 20 of the best banana peel uses for you to try: 1) Shoe Polish: Did you know banana peels (on the inside) make a great shoe polish? Just rub it around your shoe and then buff it with a white cloth. 2) Teeth Whitener: Rub the inside of your banana peel on your
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The Legend of the Banana (Her Heart) A myth submitted to the site by Zinnia Marniel Philippines Long ago‚ before Philippines was invaded by other countries‚ the only religion Filipinos know is Paganism. They know no God until it was invaded by the Spaniards and killed everyone who refuses to give their riches. In the town of Vigan (in Philippines)‚ one rich family planned to hide their beautiful daughter named Corazon because they heard that the Spaniard captain wanted their child. Corazon was
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period of time. They had a quota of 2.2 million tons with a tariff for all banana ($1‚150 per ton) and former colonies had a preferential access to the EU market. Moreover‚ the unit-cost of production in the Caribbean is nearly 2.5 times what it is for Latin American producers‚ so their product is much cheaper and easily to produce. As for social approach to this problem‚ you should choose the Caribbean countries‚ because banana exports are the mainstay of their economies‚ so they won’t win the competition
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2014/15 Module name and number Molecular Biology & Genetic Engineering: BS941 Assignment title “DNA sequencing: where we are and where it’s going” Student Number 1464986 Word Count 2310 The article focuses on the advances achieved in DNA sequencing by first providing a brief background on DNA‚ and how it was initially sequenced. The paper then takes into consideration four of the major DNA sequencing techniques. These include: Sanger’s Chain Termination Method‚ Pyrosequencing‚ Single Molecule
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The banana is a fruit surrounded by an enormous amount of history about its origin. The banana derives from Southeast Asia‚ specifically from the jungles of Malaysia‚ the Philippines and Indonesia‚ places where bananas are still produced today. The general belief is that in the middle ages Arabs brought the fruit to Africa’s oriental region via Madagascar. The fruit was later transported to the west coast by Portuguese missioners‚ where the fruit had great success due to the tropical humid environmental
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DNA and Evidence DNA is one of the most important roles to evidence and in a criminal case. It helps to prove a convict guilty or help those wrongly accused or convicted. DNA stands for deoxyribonucleic acid. Just about every cell contains DNA. The DNA that’s in people blood is also the same DNA in people’s hair‚ bone‚ saliva‚ skin‚ tissue and everything else. What’s great about someone’s DNA it does not ever change throughout their life. DNA was first used as a way of finding out paternity so
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