CHEM 2213 Lab 25 Title: The Detection of Fats‚ Proteins‚ and Carbohydrate in Foods Purpose: The purpose of this lab is to perform several general tests which help in identifying fats‚ protein‚ and carbohydrates in food. Procedure: Part A- Tests for Detecting Carbohydrates In this part you will conduct the molisch‚ benedict‚ and iodine tests. Purple in the molisch test indicates a positive test. Benedicts test will result in a brick red/brown color for a positive test. For the iodine tests
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The Tea Party Movement and The Occupy Movement The Tea Party movement originated in Great Britain in 1773 it later became known as the Boston Tea Party and protesters fought against taxes by the British without any governmental representation for the American colonists (Miller‚ 2012‚ p. 18). The Occupy movement originated in 2011 in a park in New York City‚ the financial district. This movement spread rapidly across to other cities. The Occupy movement is against corporate greed (Wood‚ J.). Both
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Nervous System lab was designed to measure reaction times by using a variety of tests that affect the heart rate. These tests were the startle‚ stroop‚ Valsalva maneuver‚ diving reflex‚ and a test of our choice. The test our group chose to measure the heart rate in response to doing a trust fall to anticipate the stress right before the fall. To begin this lab we chose a participant‚ and then hooked their finger up to the pulse transducer sensor. Using the chart 5 program on the lab computer the participant’s
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hydrochloric acid have to the rate of diffusion of agar that is dissolved with sodium carbonate and phenolphthalein? Introduction Diffusion is a process where the molecules intermingle as a result of their kinetic energy of random motion and is the net movement of like molecules down their concentration gradient‚ which is the energy inherent in their constant molecular motion makes them collide and careen outward from the region of higher to lower concentration. In our daily lives‚ many tasks are
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64. Interpret the following results: A. The color of the medium remains purple or light blue-gray; there is also no change in the texture of the medium. * No change B. Change in the color of litmus from purple to pink or pink-red throughout the tube. Upon further incubation a white ring of litmus forms at the bottom of the tube at the pink-red color is now present only at the top of the tube. Still further incubation leads to the formation of a rennet curd at the bottom of the
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1870 included abolitionism which gave rise to the women’s movement who in their quest for equal rights of women that included the ownership to property and right to vote‚ the sort out to abolish slavery as well. Abolitionism garnered male supporters for the women’s movement like Frederick Douglass‚ Henry Blackwell and William Lloyd Garrison. 1 The First Wave of the Feminist Movement. The Women’s Suffrage Movement The Women’s Suffrage Movement in the United States in the period 1848-1920‚ formed a
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During the Progressive Movement‚ alcoholism became a major issue. Many people‚ especially Christians believed alcohol was damaging to families‚ resulted in physical abuse‚ poor health‚ and increased poverty. In the 1820s‚ a Temperance Movement was started to encourage Americans to reduce the amount of alcohol that was being consumed. The Second Great Awakening is one cause for the movement. It focused mainly on Christians‚ they wanted our jobs‚ education‚ and family to reflect in good morals. The
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water into the Erlenmeyer flask. 2) Add 5.0 mL of HCl into the flask using another graduated cylinder because acid goes into water when mixing them. 3) Add three drops of phenolphthalein indicator into the flask. 4) Swirl the flask in circular movements to mix the substances. 5) Put the flask under the buret of NaOH solution‚ make sure the buret’s tip is inside the flask’s opening 6) Observe and record the initial volume of the NaOH buret. Note the markings on the buret. 7) Begin the titration
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Daphnia and Additives Lab Purpose The purpose of this lab is to test what effect of Nicotine‚ Acetylcholine‚ Epinephrine‚ Caffeine‚ and Ethanol on an organism’s heart rate. Materials * Microscope * Eye dropper * Pipet * Cotton balls * Depression slide * Beakers * Daphnia * Water * Five additives: Nicotine‚ Acetylcholine‚ Epinephrine‚ Caffeine‚ Ethanol Procedure 1. Put on safety goggles. 2. Catch a living Daphnia. 3. Transfer to a depression
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mycelium (Campbell‚ 637). The hyphae are key to fungus reproduction. Typically fungi produce large amounts of spores through either sexual or asexual reproduction. Fungal hyphae are normally haploid. When two fungi mate‚ the hyphae fuse together. The movement of the two fungal nuclei into one cytoplasm is known as dikaryon. Next‚ the cells go into karyogamy. The two nuclei fuse and provide diploid cells. These newly produced cells then go through mitosis and meiosis that cultivate spores (Campbell‚ 639)
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