Tuesday, May 12, 2020
Beer Commercial Frenzy Television Commercials Are The...
Alexandra Fiddes English 1020 Todd Breijak 13 November 2014 Beer Commercial Frenzy Television advertisements/commercials are paid announcements over the television in order to sell a product, item or service. The majority of television commercials range in length from a few seconds to a few minutes. In the United States, TV commercials are considered the most effective way of mass-marketing. Beer companies have proven this by their use of beer commercials to target certain audiences. When looking at the numbers it is found that men drink more than women and whites drink more than non-whites. Men between the ages of 18 to 49 drink the most and that is why the beer advertisers target them the most. Beer commercials throughout the years have used signature characters/items, creativity, humor and sexual attraction to get viewers to buy their products. The strengths/weaknesses of these techniques used to target certain audiences throughout these commercials will be looked at and discussed throughout this paper. To start off, weââ¬â¢re going to look back at an old Lone Star commercial from the 1980s (Diamond). The commercial incorporates everything you would think of when you think of Texas. There are cowboys with cowboy hats, BBQââ¬â¢s, football, hard workers and square dancing. Lone Star is Texasââ¬â¢s official beer and using these items throughout the commercial grabs the attention of viewers and also relates to their lives. The weakness of this commercial is that it only targetsShow MoreRelatedIntegrated E-Marketing Plan: Developing an E-Marketing Plan for Competing in the Electronic Global Marketplace16077 Words à |à 65 PagesIntegrated e-Marketing Plan: Developing an e-Marketing Plan for Competing in the Electronic Global Marketplace Prepared for Powder Mountain Resort By: Student Date: 02/26/2011 Table of Contents Integrated e-Marketing Plan: Developing an e-Marketing Plan for Competing in the Electronic Global Marketplace 1 Table of Contents 2 Executive Summaryâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦3 Selection of the e-Business for the Projectâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦7 Read MoreMarketing Mistakes and Successes175322 Words à |à 702 PagesELEVENTH EDITION MARKETING MISTAKES AND SUCCESSES 30TH ANNIVERSARY Robert F. Hartley Cleveland State University JOHN WILEY SONS, INC. VICE PRESIDENT PUBLISHER EXECUTIVE EDITOR ASSISTANT EDITOR PRODUCTION MANAGER PRODUCTION ASSISTANT EXECUTIVE MARKETING MANAGER ASSISTANT MARKETING MANAGER MARKETING ASSISTANT DESIGN DIRECTOR SENIOR DESIGNER SENIOR MEDIA EDITOR George Hoffman Lise Johnson Carissa Doshi Dorothy Sinclair Matt Winslow Amy Scholz Carly DeCandia Read MoreMarketing and Page Ref14698 Words à |à 59 Pagesstatements should be realistic and general in nature A ________ is a need that is sufficiently pressing to direct a person to seek satisfaction. Nathan Zabalas owns a regional chain of drug stores. Before expanding nationwide, Nathan is conducting marketing research to determine the best options for opening new stores. He plans to start by collecting secondary data. Which of the following is NOT a source of secondary data that Nathan might use? 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For general information on our other products and services or for technical support, please contact our Customer Care Department within the United StatesRead MoreInternational Management67196 Words à |à 269 PagesVice President Editor-in-Chief: Brent Gordon Vice President, EDP/Central Publishing Services: Kimberly Meriwether-David Editorial Director: Paul Ducham Managing Developmental Editor: Laura Hurst Spell Developmental Editor: Jane Beck Associate Marketing Manager: Jaime Halteman Project Manager: Erin Mel loy Buyer: Kara Kudronowicz Design Coordinator: Margarite Reynolds Cover Designer: Studio Montage, St. Louis, Missouri Cover Images: Top to bottom, à © Mark Downey/Getty Images; Jacobs Stock Photography/GettyRead MoreManagement Course: MbaâËâ10 General Management215330 Words à |à 862 PagesManagement Course: MBAâËâ10 General Management California College for Health Sciences MBA Program McGraw-Hill/Irwin abc McGrawâËâHill Primis ISBN: 0âËâ390âËâ58539âËâ4 Text: Effective Behavior in Organizations, Seventh Edition Cohen Harvard Business Review Finance Articles The Power of Management Capital FeigenbaumâËâFeigenbaum International Management, Sixth Edition HodgettsâËâLuthansâËâDoh Contemporary Management, Fourth Edition JonesâËâGeorge Driving Shareholder Value MorinâËâJarrell LeadershipRead MoreContemporary Issues in Management Accounting211377 Words à |à 846 Pages978ââ¬â0ââ¬â19ââ¬â928336ââ¬â1 (Pbk.) 1 3 5 7 9 10 8 6 4 2 3 FOREWORD ââ¬Ë Michael Bromwich is an exemplar of all that is good about the British tradition of academic accounting. Serious in intent, he has striven both to illuminate practice and to provide ways of improving it. Although always appealing to his economic understandings, he has been open to a wide variety of other ideas, recognizing their intellectual strengths and capabilities rather than making artificial distinctions between what is acceptableRead MoreOne Significant Change That Has Occurred in the World Between 1900 and 2005. Explain the Impact This Change Has Made on Our Lives and Why It Is an Important Change.163893 Words à |à 656 Pagespolitical rivalries that generated and were in turn fed by imperialist expansionism, one cannot begin to comprehend the causes and consequences of the Great War that began in 1914. That conflict determined the contours of the twentieth century in myriad ways. On the one hand, the war set in motion transformative processes that were clearly major departures from those that defined the nineteenth-century world order. On the other, it perversely unleashed forces that would undermine Western world dominance Read MoreOrganisational Theory230255 Words à |à 922 Pages. Organization Theory Challenges and Perspectives John McAuley, Joanne Duberley and Phil Johnson . This book is, to my knowledge, the most comprehensive and reliable guide to organisational theory currently available. What is needed is a text that will give a good idea of the breadth and complexity of this important subject, and this is precisely what McAuley, Duberley and Johnson have provided. They have done some sterling service in bringing together the very diverse strands of workRead MoreFundamentals of Hrm263904 Words à |à 1056 PagesThis online teaching and learning environment integrates the entire digital textbook with the most effective instructor and student resources With WileyPLUS: Students achieve concept mastery in a rich, structured environment thatââ¬â¢s available 24/7 Instructors personalize and manage their course more effectively with assessment, assignments, grade tracking, and more manage time better study smarter save money From multiple study paths, to self-assessment, to a wealth of interactive visual
Wednesday, May 6, 2020
Discrimination Essay - 2072 Words
Existence of Discrimination Discrimination happens to be exhibited in many ways and different settings. Some of the reasons people discriminate are race, belief, sexual preference, employment, religion, gender, size, and even a person health status. Usually the person that discriminates has a narcissistic behavior and preoccupied with issues of power, vanity, and personal adequacy. Their disorder and ignorance of what the discriminator doesnââ¬â¢t understand, fuels their negative feelings. Many times the basic root of discrimination is heredity, passed down from generation to generation, which also makes it easier to keep discrimination alive. People experience discrimination in a variety of settings like work, school, church, stores,â⬠¦show more contentâ⬠¦Discrimination is not visible to everyone, but mostly visible to the discriminator and the victim. I have been discriminated in many areas of my life. For instance, at work I was discriminated against because of the color, title, and personal appearance. One time, I had a patient tried to scratch me, and called me a nigger because Iââ¬â¢m black. Not once did I disrespect her or mistreat her, but she thought she had the right to say negative words to me, and physically harm me because of the color of my skin. She knew nothing about me except that I was a black woman. The opponents would say that the patient might have behaved like this because she might have had a bad experience before. I would say that a bad experience might not lead a patient call me a nigger, nor would she try to hurt me. Discrimination also exists in a racial sense. A study was created in 2002 to study discrimination in the job market. ââ¬Å"Researchers sent out 5,000 resumes in response to help wanted ads in the Boston and Chicago Sunday papers. The resumes were identical, except for the names of the job applicants...Although the qualifications of the supposed job applicants were identical, the white-sounding names elicited 50 percent more callbacks than the black-sounding namesâ⬠(Henslin 359). The employers did not look at the resumes properly, and only focused on the names of the applicants. This demonstrate that blacks are prejudged andShow MoreRelatedDiscrimination Essay2500 Words à |à 10 Pagesââ¬Å"Discrimination is a likely occurrence during the recruitment process.â⬠Discuss this statement in relation to the human resource practices and the issues relating to personality, perceptions and values of managers. This essay argues that discrimination is a likely occurrence during the recruitment process. 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The Host Chapter 12 Failed Free Essays
string(51) " I tried to keep my promiseâ⬠¦ I die for them\." Itââ¬â¢s impossible! Youââ¬â¢ve got it wrong! Out of order! That canââ¬â¢t be it!â⬠I stared into the distance, sick with disbelief that was turning quickly to horror. Yesterday morning Iââ¬â¢d eaten the last mangled Twinkie for breakfast. Yesterday afternoon Iââ¬â¢d found the double peak and turned east again. We will write a custom essay sample on The Host Chapter 12: Failed or any similar topic only for you Order Now Melanie had given me what she promised was the last formation to find. The news had made me nearly hysterical with joy. Last night, Iââ¬â¢d drunk the last of the water. That was day four. This morning was a hazy memory of blinding sun and desperate hope. Time was running out, and Iââ¬â¢d searched the skyline for the last milestone with a growing sense of panic. I couldnââ¬â¢t see any place where it could fit; the long, flat line of a mesa flanked by blunt peaks on either end, like sentinels. Such a thing would take space, and the mountains to the east and north were thick with toothy points. I couldnââ¬â¢t see where the flat mesa could be hiding between them. Midmorning-the sun was still in the east, in my eyes-Iââ¬â¢d stopped to rest. Iââ¬â¢d felt so weak that it frightened me. Every muscle in my body had begun to ache, but it was not from all the walking. I could feel the ache of exertion and also the ache from sleeping on the ground, and these were different from the new ache. My body was drying out, and this ache was my muscles protesting the torture of it. I knew that I couldnââ¬â¢t keep going much longer. Iââ¬â¢d turned my back on the east to get the sun off my face for a moment. Thatââ¬â¢s when Iââ¬â¢d seen it. The long, flat line of the mesa, unmistakable with the bordering peaks. There it was, so far away in the distant west that it seemed to shimmer above a mirage, floating, hovering over the desert like a dark cloud. Every step weââ¬â¢d walked had been in the wrong direction. The last marker was farther to the west than weââ¬â¢d come in all our journeying. ââ¬Å"Impossible,â⬠I whispered again. Melanie was frozen in my head, unthinking, blank, trying desperately to reject this new comprehension. I waited for her, my eyes tracing the undeniably familiar shapes, until the sudden weight of her acceptance and grief knocked me to my knees. Her silent keen of defeat echoed in my head and added one more layer to the pain. My breathing turned ragged-a soundless, tearless sobbing. The sun crept up my back; its heat soaked deep into the darkness of my hair. My shadow was a small circle beneath me when I regained control. Painstakingly, I got back on my feet. Tiny sharp rocks were embedded in the skin on my legs. I didnââ¬â¢t bother to brush these off. I stared at the floating mesa mocking me from the west for a long, hot time. And finally, not really sure why I did it, I started walking forward. I knew only this: that it was me who moved and no one else. Melanie was so small in my brain-a tiny capsule of pain wrapped tightly in on her herself. There was no help from her. My footsteps were a slow crunch, crunch across the brittle ground. ââ¬Å"He was just a deluded old lunatic, after all,â⬠I murmured to myself. A strange shudder rocked my chest, and a hoarse coughing ripped its way up my throat. The stream of gravelly coughs rattled on, but it wasnââ¬â¢t until I felt my eyes pricking for tears that couldnââ¬â¢t come that I realized I was laughing. ââ¬Å"There wasâ⬠¦ neverâ⬠¦ everâ⬠¦ anything out here!â⬠I gasped between spasms of hysteria. I staggered forward as though I were drunk, my footprints trailing unevenly behind me. No. Melanie uncurled from her misery to defend the faith she still clung to. I got it wrong or something. My fault. I laughed at her now. The sound was sucked away by the scorching wind. Wait, wait, she thought, trying to pull my attention from the joke of it all. You donââ¬â¢t thinkâ⬠¦ I mean, do you think that maybe they tried this? Her unexpected fear caught me midlaugh. I choked on the hot air, my chest throbbing from my fit of morbid hysteria. By the time I could breathe again, all trace of my black humor was gone. Instinctively, my eyes swept the desert void, looking for some evidence that I was not the first to waste my life this way. The plain was impossibly vast, but I couldnââ¬â¢t halt my frantic search forâ⬠¦ remains. No, of course not. Melanie was already comforting herself. Jaredââ¬â¢s too smart. He would never come out here unprepared like we did. Heââ¬â¢d never put Jamie in danger. Iââ¬â¢m sure youââ¬â¢re right, I told her, wanting to believe it as much as she did. Iââ¬â¢m sure no one else in the whole universe could be this stupid. Besides, he probably never came to look. He probably never figured it out. Wish you hadnââ¬â¢t. My feet kept moving. I was barely aware of the action. It meant so little in the face of the distance ahead. And even if we were magically transported to the very base of the mesa, what then? I was absolutely positive there was nothing there. No one waited at the mesa to save us. ââ¬Å"Weââ¬â¢re going to die,â⬠I said. I was surprised that there was no fear in my rasping voice. This was just a fact like any other. The sun is hot. The desert is dry. We are going to die. Yes. She was calm, too. This, death, was easier to accept than that our efforts had been guided by insanity. ââ¬Å"That doesnââ¬â¢t bother you?â⬠She thought for a moment before answering. At least I died trying. And I won. I never gave them away. I never hurt them. I did my best to find them. I tried to keep my promiseâ⬠¦ I die for them. You read "The Host Chapter 12: Failed" in category "Essay examples" I counted nineteen steps before I could respond. Nineteen sluggish, futile crunches across the sand. ââ¬Å"Then what am I dying for?â⬠I wondered, the pricking feeling returning in my desiccated tear ducts. ââ¬Å"I guess itââ¬â¢s because I lost, then, right? Is that why?â⬠I counted thirty-four crunches before she had an answer to my question. No, she thought slowly. It doesnââ¬â¢t feel that way to me. I thinkâ⬠¦ Well, I think that maybeâ⬠¦ youââ¬â¢re dying to be human. There was almost a smile in her thought as she heard the silly double meaning to the phrase. After all the planets and all the hosts youââ¬â¢ve left behind, youââ¬â¢ve finally found the place and the body youââ¬â¢d die for. I think youââ¬â¢ve found your home, Wanderer. Ten crunches. I didnââ¬â¢t have the energy to open my lips anymore. Too bad I didnââ¬â¢t get to stay here longer, then. I wasnââ¬â¢t sure about her answer. Maybe she was trying to make me feel better. A sop for dragging her out here to die. She had won; she had never disappeared. My steps began to falter. My muscles screamed out to me for mercy, as if I had any means to soothe them. I think I would have stopped right there, but Melanie was, as always, tougher than I. I could feel her now, not just in my head but in my limbs. My stride lengthened; the path I made was straighter. By sheer force of will, she dragged my half-dead carcass toward the impossible goal. There was an unexpected joy to the pointless struggle. Just as I could feel her, she could feel my body. Our body, now; my weakness ceded control to her. She gloried in the freedom of moving our arms and legs forward, no matter how useless such a motion was. It was bliss simply because she could again. Even the pain of the slow death we had begun dimmed in comparison. What do you think is out there? she asked me as we marched on toward the end. What will you see, after weââ¬â¢re dead? Nothing. The word was empty and hard and sure. Thereââ¬â¢s a reason we call it the final death. The souls have no belief in an afterlife? We have so many lives. Anything more would beâ⬠¦ too much to expect. We die a little death every time we leave a host. We live again in another. When I die here, that will be the end. There was a long pause while our feet moved more and more slowly. What about you? I finally asked. Do you still believe in something more, even after all of this? My thoughts raked over her memories of the end of the human world. It seems like there are some things that canââ¬â¢t die. In our mind, their faces were close and clear. The love we felt for Jared and Jamie did feel very permanent. In that moment, I wondered if death was strong enough to dissolve something so vital and sharp. Perhaps this love would live on with her, in some fairytale place with pearly gates. Not with me. Would it be a relief to be free of it? I wasnââ¬â¢t sure. It felt like it was part of who I was now. We only lasted a few hours. Even Melanieââ¬â¢s tremendous strength of mind could ask no more than that of our failing body. We could barely see. We couldnââ¬â¢t seem to find the oxygen in the dry air we sucked in and spit back out. The pain brought rough whimpers breaking through our lips. Youââ¬â¢ve never had it this bad, I teased her feebly as we staggered toward a dried stick of a tree standing a few feet taller than the low brush. We wanted to get to the thin streaks of shade before we fell. No, she agreed. Never this bad. We attained our purpose. The dead tree threw its cobwebby shadow over us, and our legs fell out from under us. We sprawled forward, never wanting the sun on our face again. Our head turned to the side on its own, searching for the burning air. We stared at the dust inches from our nose and listened to the gasping of our breath. After a time, long or short we didnââ¬â¢t know, we closed our eyes. Our lids were red and bright inside. We couldnââ¬â¢t feel the faint web of shade; maybe it no longer touched us. How long? I asked her. I donââ¬â¢t know, Iââ¬â¢ve never died before. An hour? More? Your guess is as good as mine. Whereââ¬â¢s a coyote when you really need one? Maybe weââ¬â¢ll get luckyâ⬠¦ escaped claw beast or somethingâ⬠¦ Her thought trailed off incoherently. That was our last conversation. It was too hard to concentrate enough to form words. There was more pain than we thought there should be. All the muscles in our body rioted, cramping and spasming as they fought death. We didnââ¬â¢t fight. We drifted and waited, our thoughts dipping in and out of memories without a pattern. While we were still lucid, we hummed ourselves a lullaby in our head. It was the one weââ¬â¢d used to comfort Jamie when the ground was too hard, or the air was too cold, or the fear was too great to sleep. We felt his head press into the hollow just below our shoulder and the shape of his back under our arm. And then it seemed that it was our head cradled against a broader shoulder, and a new lullaby comforted us. Our lids turned black, but not with death. Night had fallen, and this made us sad. Without the heat of day, we would probably last longer. It was dark and silent for a timeless space. Then there was a sound. It barely roused us. We werenââ¬â¢t sure if we imagined it. Maybe it was a coyote, after all. Did we want that? We didnââ¬â¢t know. We lost our train of thought and forgot the sound. Something shook us, pulled our numb arms, dragged at them. We couldnââ¬â¢t form the words to wish that it would be quick now, but that was our hope. We waited for the cut of teeth. Instead, the dragging turned to pushing, and we felt our face roll toward the sky. It poured over our face-wet, cool, and impossible. It dribbled over our eyes, washing the grit from them. Our eyes fluttered, blinking against the dripping. We did not care about the grit in our eyes. Our chin arched up, desperately searching, our mouth opening and closing with blind, pathetic weakness, like a newly hatched bird. We thought we heard a sigh. And then the water flowed into our mouth, and we gulped at it and choked on it. The water vanished while we choked, and our weak hands grasped out for it. A flat, heavy thumping pounded our back until we could breathe. Our hands kept clutching the air, looking for the water. We definitely heard a sigh this time. Something pressed to our cracked lips, and the water flowed again. We guzzled, careful not to inhale it this time. Not that we cared if we choked, but we did not want the water taken away again. We drank until our belly stretched and ached. The water trickled to a stop, and we cried out hoarsely in protest. Another rim was pressed to our lips, and we gulped frantically until it was empty, too. Our stomach would explode with another mouthful, yet we blinked and tried to focus, to see if we could find more. It was too dark; we could not see a single star. And then we blinked again and realized that the darkness was much closer than the sky. A figure hovered over us, blacker than the night. There was a low sound of fabric rubbing against itself and sand shifting under a heel. The figure leaned away, and we heard a sharp rip-the sound of a zipper, deafening in the absolute stillness of the night. Like a blade, light cut into our eyes. We moaned at the pain of it, and our hand flew up to cover our closed eyes. Even behind our lids, the light was too bright. The light disappeared, and we felt the breath of the next sigh hit our face. We opened our eyes carefully, more blind than before. Whoever faced us sat very still and said nothing. We began to feel the tension of the moment, but it felt far away, outside ourself. It was hard to care about anything but the water in our belly and where we could find more. We tried to concentrate, to see what had rescued us. The first thing we could make out, after minutes of blinking and squinting, was the thick whiteness that fell from the dark face, a million splinters of pale in the night. When we grasped that this was a beard-like Santa Claus, we thought chaotically-the other pieces of the face were supplied by our memory. Everything fit into place: the big cleft-tipped nose, the wide cheekbones, the thick white brows, the eyes set deep into the wrinkled fabric of skin. Though we could see only hints of each feature, we knew how light would expose them. ââ¬Å"Uncle Jeb,â⬠we croaked in surprise. ââ¬Å"You found us.â⬠Uncle Jeb, squatting next to us, rocked back on his heels when we said his name. ââ¬Å"Well, now,â⬠he said, and his gruff voice brought back a hundred memories. ââ¬Å"Well, now, hereââ¬â¢s a pickle.â⬠How to cite The Host Chapter 12: Failed, Essay examples
Reparation Of Sucrose Reducing Sugar Cane -Myassignmenthelp.Com
Question: Discuss About The Reparation Of Sucrose Reducing Sugar Cane? Answer: Introduction Crystallization is the process of separating pure compounds from a mixture of impurities and is commonly used in the pharmaceutical and chemical industries. The formation of this crystalline structure requires less foreign molecules in its lattice, and thus an important task (Myerson, 2002). Sugar crystallization is being improved especially in the optimization part. This report explains the process of sugar crystallization using lab equipment and how the process can be optimized to further its efficiency. Objectives To crystallize raw sugar and optimize the process. Materials required beaker tongs water weight pen or pencil (for placing across the jars diameter) sugar (2 cups) glass stirring rod string wire mesh screen ring and stand Bunsen burner Beaker Procedure Day 1 Cut a string longer than the jars height Attach weight to bottom of string Use a tape to attach the string to a pen/pencil and place across the jars diameter, such that it reaches near the bottom of the jar Use water to wet the string. also apply a light coating of sugar to the string to act as the seed crystal. Hang the string to dry overnight. day 2 Put about of water into the beaker Place the ring on the stand at a height that makes it easy for the Bunsen burner flame to reach it. Put the wire mesh on the ring and place the beaker on top of it Put on the Bunsen burner flame and boil gently until the water starts to boil. Monitor the Bunsen burner as someone else goes for 2 cups of sugar. When the water is boiling, add a cup of sugar as you stir continuously using the stirring rod. Put the beaker back to boil as it can stop in the process of adding sugar. Extra caution when setting the flame to avoid burning the beaker. Slowly add the remaining amount of sugar when the mixture starts to boil again. after which return the beaker for a small boil. Confirm that all the added sugar has dissolved. Put off the flame and leave the beaker to cool for a few minutes. Avoid shaking or disturbing the beaker. Upon cooling, use the beaker tongs to pour the solution into the glass jar(S). Take the prepared strings and place them across the diameter of the jars. Carefully place the glass jars at the observation counter at the back without shaking its contents or alternatively leave it in its current position without disturbing it. Use soap and lots of water to wash off the beaker used. Create a data table to use to record your observations across the week. Results For purposes of dissolving the sugar, heat had to be applied. Increasing the temperature of the water increases its solubility rate and thus can hold more sugar content (Luo, 2018). The solution forms a super saturated solution when it cools, and still holds the sugar until crystallization starts to happen or if the beaker is agitated. Adding sugar to the beaker causes the water to stop boiling because addition of impurities increases the boiling point of water. Solutes form new bonds when added to a solvent thus more energy is needed to break down the bonds (Honig, 2013) . Crystal formation increased day by day across the week. With the crystals being harder and harder Optimization The process of sugar crystallization can be increased by using a seed crystal (Iswanto, 2006). Which is simply a crystal sample from which a bigger crystal can be obtained from in a laboratory. The light coating applied to the string before the start of the experiment accomplished this purpose. This procedure helps by avoiding the rather time consuming method of natural crystal formation. Optimization in the industries can be achieved by adding the seed in a supersaturated solution and then allowing it to cool (Washington, DC: U.S Patent No. U.S. Patent No. 3,981,739., 1974). when a control beaker (without seed) is used concurrently during the experiment it is observed that the control beaker takes a longer period to start forming the crystals when compared to the crystals formed in the jar containing the seed. The science behind this is the effect of intramolecular interactions physically on a supersaturated solution. Introduction of a seed crystal removes the need for random collis ions or interactions between the components and thus leads to the formation of a crystal lattice. This process of forming a crystal lattice in a solution from a solute is referred to as nucleation (Vesselinov, 2016). References Honig, P. (2013). Crystallization. Amsterdam: Elsevier Science. Iswanto, N. H. (2006). The growth rate spread of sugar seed crystals. International sugar journal, 711-717. Luo, J. G. (2018). Separation of Sucrose and Reducing Sugar in Cane Molasses by Nanofiltration. Food and Bioprocess Technology, 18. Morris Dmitrovsky, A. H. (1974). Washington, DC: U.S Patent No. U.S. Patent No. 3,981,739. Myerson, A. (2002). Handbook of Industrial Crystallization. Oxford : Butterworth-Heinemann. Vesselinov, M. I. (2016). Crystal growth for beginners: fundamentals of nucleation, crystal growth and epitaxy. Singapore: World Scientific
Saturday, May 2, 2020
Denaturation of Proteins free essay sample
This experiment aimed to study the effect of various denaturants on albumin and casein protein extracts through viscosity measurements. 5 mL samples of native and denatured protein solutions were prepared, using ? -mercaptoethanol, urea and SDS as denaturants for albumin, and NaOH, NaCL, HCL, ? -mercaptoethanol, urea and SDS for casein. 5 mL blank solutions for each denaturant used were also prepared. The viscosity of the solutions were determined using Ostwald viscometer. Denaturation of proteins is a reversibleââ¬âand sometimes irreversibleââ¬âprocess that involves the disruption and possible destruction of both the secondary and tertiary structures. Since denaturation reactions are not strong enough to break the peptide bonds, the primary structure (sequence of amino acids) remains the same after a denaturation process. Denaturation disrupts the normal alpha-helix and beta sheets in a protein and uncoils it into a random shape. Generally, protein denaturation is to be avoided, since proteins are best studied as close to their native state as possible. However, denaturation is sometimes done deliberately. For example, in determining the rates of enzyme reactions, proteins are quickly denatured to stop enzyme reactions. Also, to study the detailed nature of the unfolding and refolding of their polypeptide chains, proteins are deliberately denatured. Denaturation of proteins usually result to decreased solubility, altered water binding capacity, loss of biological activity, destruction of toxins, increased intrinsic viscosity, and inability to crystallize. That way, this process can be a useful way in separating proteins from other classes of biological molecules during purification. In tertiary structures, four types of bonding interactions between side chains occurââ¬âhydrogen bonding, non-polar hydrophobic interactions, salt bridges, and disulfide bonds. Denaturation occurs because the bonding interactions responsible for the secondary structure and tertiary structure are disrupted. A variety of agents can cause the denaturation of proteins. One of them is heat. An increase in temperature affects the interactions of the tertiary structure by making the molecule vibrate violently and disrupting the hydrophobic interactions and hydrogen bonds. Microwave radiation and ultraviolet radiation are agents that also operate much like the action of heat. Violent whipping causes molecules in globular shapes to extend to longer lengths and then entangle. Detergents, such as sodium dodecyl sulfate (SDS), have hydrophobic tails which penetrate the interior of the protein and disrupt the hydrophobic interactions of the proteins. High concentrations of chaotropic agents such as guanidine hydrochloride and urea cause denaturation by forming competing hydrogen bonds with the amino acid residues of the peptide chain, thereby disrupting the internal hydrogen bonding that stabilizes the native structure. Organic solvents such as ethanol or acetone interfere with the hydrogen bonds in the protein by also forming hydrogen bonds and disrupt the hydrophobic interactions of the peptide chain. These solvents can quickly denature proteins in bacteria, killing them. H is also an agent of denaturation. At either low or high extremes of pH, at least some of the charges of the protein are missing, and so electrostatic interactions that would normally stabilize the native protein are drastically decreased. This can be achieved by adding strong acids or bases, like HCl or NaOH, which disrupt hydrogen bonds and salt bridges. In an acidic environment, acidic groups are protonated and the conformations stabilized by the carboxylate groups are destroyed. In alkaline environments, the amino groups are deprotonated. Salts of heavy metals such as Hg2+, Ag+, and Pb+ combine with SH groups and form precipitates. Reducing agents like mercaptoethanol or other thiol reagents reduce disulfide bonds to sulfhydryl groups. Urea is usually added to the reacting mixture to facilitate unfolding of the protein and to increase the accessibility of the disulfides to the reducing agent. In the first part of the experiment, 5 mL samples of 1% albumin and 0. 01% casein were prepared. 5 mL samples of blank solution, containing the solvent of the proteins and the denaturant were prepared. mL samples of denatured protein were also prepared. Denaturants used were ? -mercaptoethanol, urea and SDS for albumin, and NaOH, NaCL, HCL, ? -mercaptoethanol, urea and SDS for casein. Denaturation of proteins can be characterized by measurable physical and chemical changes in the protein. Methods such as circular dichroism, viscometry, nuclear magnetic resonance spectroscopy and flourences can be used for characterization. In this experiment, viscometry was applied to study the effects of several denaturants in protein standard and protein extracts. In viscometry, the viscosity (resistance of liquid to flow) of the protein sample is studied in order to monitor the denaturation process. Viscosity of a liquid may depend on certain factors such as density, temperature, solute concentration, size and shape of molecules and intermolecular interactions. Generally, a longer fibrous-like protein has a higher viscosity than a globular protein. Denaturation uncoils and changes the globular proteins into fibrous structures with higher frictional coefficient, denaturation tends to increase viscosity. Viscosity measurements were obtained using Ostwald viscometer. The viscosity of the native protein was taken first. It was aspirated throught the viscometer until the solution level was above the first mark. Bubbles were avoided during aspiration to prevent discrepancies in time measurements. The time interval from when the solution passed the first mark up to when it passed through the second mark was recorded. The same procedure was done for the blank solution, then for the denatured protein.
Monday, April 13, 2020
Leadership Essay Sample For Scholarship
Leadership Essay Sample For ScholarshipA leadership essay sample for scholarship is a blueprint for high school students in preparing for and applying for college. The essay helps to illustrate the qualities and characteristics that a student possesses that make him or her an ideal candidate for such scholarship. It helps students identify their own unique talents, skills, and abilities and emphasize those qualities to show why they are most suitable for the scholarship program.The essay contains two sections: the first outlines the student's personal experiences and skills; the second outlines his or her accomplishments and goals, strengths, and special characteristics. The guidelines for drafting a successful essay are detailed in the sample.The essay should not be construed as an application for a scholarship. The essay should be concise and well organized, particularly in the beginning of the application portion of the essay. Students should refer to the outline of the essay, the sample, and other resources for details.The essay should include both appropriate topics and self-deprecating humor and should not be overly serious. Self-awareness and humor make good allies in the application process.Leadership skills are unique skill sets with many implications. College admissions officers look for unique ability, which comes from identifying talents and abilities and expressing them clearly in writing. Specialized leadership courses help students assess their strengths and weaknesses and articulate these to determine if they are most suited for the scholarship or other college.A college admission officer will review the essay and make a determination about whether it is complete and well written, what students should write in the future, and if the essay is worthy of consideration. Generally, admission officers will reject essays with grammar, spelling, or sentence structure problems, but will accept full essays that provide unique insights into the student's o verall personality and background.The leadership essay sample for scholarship application allows students to showcase their unique talents and capabilities and reveals the skills necessary to develop leadership. Applications for college scholarships allow high school students to discover how they can excel at college and earn an undergraduate degree with a special scholarship program, a great goal for many.
Sunday, March 22, 2020
Bernard Shaw biography and influences Essays - George Bernard Shaw
George Bernard Shaw was an Irish plays writer.He was the greatest English dramatist in the modern history and was one of the most interesting literary characters in the history. He was famous for his creative quotes and works .He had developed the English Theatre and changed its porpuses .he was considered second only to Shakespeare.On this essay I will talk about his biography ,his literary start , his major works , influences and his great successes. George Bernard Shaw's early life was different and special from many other people.He had an inspiring childhood .In his early life, he was introduced to music and art which lured him to become a writer .He was born into a low-class family and his father wasn't too careful about him.His father moved to London wheras he stayed in Dublian and received different kinds of knowledge such as art and music , therefor wasn't interested at all in the ordinary learning and hated the school too much.When he was fifteen yeas old , he worked in estate's office as a rent collecter which he hated as much as the school .In spite of hating his job ,it inspired him to write his first play (Widowers' houses). In 1876, he moved to London where he started his literary life.That stage which carried many events was extremely improtant in Shaw's life. He moved to London in 1876 and became a member of Fabien Soceity .He tended to participate in social activities due to his socail interest.During 1880s he became an art and literary critic and a socailist commentator and gathered much attention .He wrote five plays but couldn't publish any one of them .Then , he stopped writing novels and tuned to playwriting which he recognized as a form that allows him to widely express all his deep social ideas and concerns in orded to achieve his main aim which is reforming and correcting the society .In 1898 , six of his plays were published such as (Pleasant and Unpleasant) which brought a popular success to Shaw . Shaw made an impressive influences on the Enlgish Theratre and society .He explored sombre and contentious social subjects like morality ,sexual injustice and class division that waked the society.He accomplished in exposing the realities of many serious situation in way that carried his deep hopes and wishes to change the bitter fact. For instance,in his first play (Widowers' houses) ,he had illustarted the real lifes of poor people and their constant toubles with the greedy landlords ,according to what he had seen in his estate's job in the past.Another example is (Man and Superman) which it's regarded as a very important play of Shaw's works .The play contains a lot of comedy in a story about reluctant man who got tempted by resourceful women. in addition to his plays, his writing also was serving on behalf of public. He had carried the people's worries and concerns that led him to criticise the England Government's dicision in joining the World War 1 which influenced the public and caused the Government anger so he faced some unfair measures for a while such as removing his books from libraries and forcing him to resign from Fabien sociey .In simpler term ,it can be deduced that Shaw's works brought a fabulous impacts in different approaches. Shaw had made many great successes.He gained the Nobel Prize for literature in 1925 for his brilliant play (Saint Joan) which was written in 1921.The prize was a proof that his success was world-wide and wasn't only inclosed in England.Moreover,he left many positive results inside the English Theatre .He was keen on society's issues and poured all his works on serving the society. He achieved in refreshing the English Theatre ,shifting public attitudes and starting the reforming call from the theatre stage . His social flair,political talent ,interesting arguments, deep discussion and serious questioning made the stage burst into "theatre of ideas" . To sum up , George Bernard Shaw was an ingenious ,creative and very interesting character.. He had progressed the English Theatre and served the society by his works which left a great influences.
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