Background Information: Spectrophotometry is a method that measures how much light is absorbed by using the electromagnetic spectrum. By seeing which colors are absorbed and which are reflected scientists can determine what a substance is without having to touch them. This is possible because each substance has a specific absorbance spectrum‚ meaning that the absorption spectrum of two different substances cannot be the same. Purpose/Hypothesis: 1. The purpose of the experiment was to determine
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Micael Sega Extra Credit Essay: Pocahontas to Elsa Women have always had very few sources of entertainment that represented them. One source that portrayed women was Disney animated movies. In these women lead animated films‚ Disney would portray a certain type of women. This Essay is created to show the change in Disney’s female lead characters‚ through the films of Pocahontas and Frozen‚ from before 2000s to now. The first Native American Princess was introduced in 1995 with Pocahontas. Many aspects
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use throughout the body. The liver is essential for monitoring and maintaining a relatively constant level of glucose in the bloodstream‚ hence the liver is involved in glycogen breakdown and synthesis because these pathways allow the liver to remove glucose from the bloodstream for glycogen synthesis when blood glucose is high and to release glucose into the bloodstream from glycogen breakdown when blood glucose levels are too low. Glycogen provides an additional source of glucose besides that
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Every cell‚ whether it belongs to a plant‚ bacteria or a human‚ requires energy from varying food sources to survive. However‚ when cells break down food into its sugar components‚ i.e glucose‚ they cannot use the components directly because glucose holds a lot of energy it would be inefficient to use for reactions that don’t need a lot of energy. Imagine you want to buy pencils for $5 from a store that won’t give change‚ it is more economical to use a $5 or $10 bill than a $100‚ that way there is
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As shown in the balanced chemical reaction in figure 1‚ Felbinac is synthesized from 4-bromophenyl acetic acid‚ phenylboronic acid‚ and 10% Pd/C. Figure 1: The balanced chemical reaction showing the synthesis of felbinac. It functions by inhibiting cyclooxygenase-1‚ which releases prostaglandins that cause pain as a response to injury. In a study conducted by Moore et al.‚ 160 patients were subject to various topical NSAIDS to determine their effectiveness
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Racism has provoked inequality among Americans for centuries. Although it has been claimed to have dissolved‚ racism is still apparent in the very set up of our nation. It pulls apart the unity of our nation by forming groups that in time will break the equality and freedom given in America. The ideal of racism still exists in today’s society‚ having found new ways to insert itself into our everyday life. As segregation and slavery have faded from American culture it is socially accepted that‚ with
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What does it really mean to be a man or a woman? Masculine or feminine? Different cultures and communities have assigned certain characteristics and attributes which define each sex. But do these traits describe every man and woman’s behavior? Individuals should have the free will to act in any way they wish to‚ whether in favor of society measures or in favor of their own conscience. Throughout the course of history‚ men have been viewed and perceived to be chivalrous‚ audacious‚ dauntless‚ and
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Mechanism of chalcone formation Kinetic studies have been reported for the base-catalyzed formation of chalcone and its derivatives. [7‚ 8‚ 9] Two alternative mechanisms have been advanced for the reaction of benzaldehyde with acetophenone in the presence of a basic catalyst. 5 The formation of chalcone by the acid catalyzed condensation of acetophenone and benzaldehyde has been studied [10]. The following mechanism seems to be operating- 6 Importance of chalcones [1]They have close relationship
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Tatiana Mora AP Composition DeBellis Schools in today’s societies have to generate new ideas to keep students engaged in learning‚ meaning that the much glorified abilities of technology will maneuver its way in to the curriculum. Such technologies allow easy access to information‚ to make studying less of a hassle‚ and create a quicker and less stressful way to advance their education. Although it may be the quicker way‚ the actual quality of the information is compromised. Before using particular
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Product Design The products that will be made out of the given components are corrective lenses for eyeglasses. The product will have the following features: a. Corrects near-sightedness or far-sightedness‚ whichever may be the case‚ through varying curvatures of the lenses‚ for different grades b. May be rectangular or circular in overall shape c. Around 1.5 inches in length‚ 1 inch in width d. Clear and transparent‚ not dark Considering that the finished goods (lenses) are very
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