Glycosidic Bond Definition and Examples

Glycosidic Bond Definition and Examples A glycosidic bond is a covalent bond that joins a carbohydrate to another functional group or molecule. A substance containing a glycosidic bond is termed a glycoside. Glycosides may be categorized according to elements involved in the chemical bond. Glycosidic Bond Example An N-glycosidic bond connects the adenine and ribose in the molecule adenosine. The bond is drawn as a vertical line between the carbohydrate and the adenine. O-, N-, S-, and C-glycosidic Bonds Glycosidic bonds are labeled according to the identity of the atom on the second carbohydrate or the functional group. The bond formed between the hemiacetal or hemiketal on the first carbohydrate and the hydroxyl group on the second molecule is an O-glycosidic bond. There are also N-, S-, and C-glycosidic bonds. Covalent bonds between the hemiacetal or hemiketal to  -SR form thioglycosides. If the bond is to SeR, then selenoglycosides form. Bonds to -NR1R2 are N-glycosides. Bonds to -CR1R2R3 are termed C-glycosides. The term aglycone refers to any compound ROH from which a carbohydrate residue has been removed, while the carbohydrate residue may be referred to as the glycone. These terms are most commonly applied to naturally occurring glycosides. ÃŽ ±-  and  ÃŽ ²-glycosidic Bonds The orientation of the bond may be noted, too.  ÃŽ ±-  and  ÃŽ ²-glycosidic bonds are based on the  stereocenter furthest from saccharide C1.  An ÃŽ ±-glycosidic bond occurs when both carbons share the same stereochemistry. Î’-glycosidic bond forms when the two carbons have different stereochemistry.

A Biography of the Venerable Bede

A Biography of the Venerable Bede The Venerable Bede was a British monk whose works in theology, history, chronology, poetry, and biography have led him to be accepted at the greatest scholar of the early medieval era. Born in March of 672 and having died on May 25, 735 in Jarrow, Northumbria, UK, Bede is most famous for producing the Historia ecclesiastica (Ecclesiastical History), a source essential for our understanding of the Anglo-Saxons and the Christianisation of Britain in the era before William the Conqueror and the Norman Conquest, earning him the title of the Father of English history. Childhood Little is known of Bedes childhood, other than he was born in March of 672 to parents living on land belonging to the newly founded Monastery of St. Peter, based in Wearmouth, to which Bede was given by relatives for a monastic education when he was seven. Initially, in the care of Abbot Benedict, Bedes teaching was taken over by Ceolfrith, with whom Bede moved to the monasterys new twin-house at Jarrow in 681. The Life of Ceolfrith suggests that here only the young Bede and Ceolfrith survived a plague which devastated the settlement. However, in the aftermath of the plague the new house regrew and continued. Both houses were in the kingdom of Northumbria. Adult Life Bede spent the rest of his life as a monk at Jarrow, first being taught and then teaching to the daily rhythms of monastic rule: for Bede, a mixture of prayer and study. He was ordained as a Deacon aged 19 – at a time when Deacons were supposed to be 25 or over – and a priest aged 30. Indeed, historians believe Bede left Jarrow only twice in his relatively long life, to visit Lindisfarne and York. While his letters contain hints of other visits, there isnt any real evidence, and he certainly never traveled far. Works Monasteries were nodes of scholarship in early medieval Europe, and there is nothing surprising in the fact that Bede, an intelligent, pious and educated man, used his learning, life of study and house library to produce a large body of writing. What was unusual was the sheer breadth, depth, and quality of the fifty plus works he produced, covering scientific and chronological matters, history and biography and, perhaps as expected, scriptural commentary. As befitted the greatest scholar of his era, Bede had the chance to become Prior of Jarrow, and perhaps more, but turned the jobs down as they would interfere with his study. The Theologian: Bedes biblical commentaries – in which he interpreted the bible mainly as an allegory, applied criticism and tried to solve discrepancies – were extremely popular in the early medieval period, being copied and spread – along with Bedes reputation – widely across the monasteries of Europe. This dissemination was helped by the school of Archbishop Egbert of York, one of Bedes pupils, and later by a student of this school, Alcuin, who became head of Charlemagnes palace school and played a key role in the Carolingian Renaissance. Bede took the Latin and Greek of the early church manuscripts and turned them into something the secular elites of the Anglo-Saxon world could deal with, helping them accept the faith and spread the church. The Chronologist Bedes two chronological works - De temporibus (On Times) and De temporum ratione (On the Reckoning of Time) were concerned with establishing the dates of Easter. Along with his histories, these still affect our style of dating: when equating the number of the year with the year of Jesus Christs life, Bede invented the use of A.D., The Year Of Our Lord. In stark contrast to dark age cliches, Bede also knew the world was round, the moon affected tides and appreciated observational science. The Historian In 731/2 Bede completed the Historia ecclesiastica gentis Anglorum, the Ecclesiastical History of the English People. An account of Britain between the landings of Julius Caesar in 55/54 BC and St. Augustine in 597 AD, its the key source on the Christianisation of Britain, a mixture of sophisticated historiography and religious messages containing details simply not found elsewhere. As such, it now overshadows his other historical, indeed all his other, works and is one of the key documents in the entire field of British history. Its also lovely to read. Death and Reputation Bede died in 735 and was buried at Jarrow before being re-interred inside Durham Cathedral (at the time of this writing the Bedes World museum in Jarrow have a cast of his cranium on display.) He was already renowned among his peers, being described by a Bishop Boniface as having shone forth as a lantern in the world by his scriptural commentary, but is now regarded as the greatest and most multi-talented scholar of the early medieval era, perhaps of the entire medieval era. Bede was sainted in 1899, thus giving him the posthumous title of Saint Bede the Venerable. Bede was declared venerable by the church in 836, and the word is given on his tomb in Durham Cathedral: Hic sunt in fossa bedae venerabilis ossa (Here are buried the bones of the Venerable Bede.) Bede on Bede The Historia ecclesiastica finishes with a short account of Bede about himself and a list of his many works (and is actually the key source about his life that we, much later historians, have to work with): Thus much of the Ecclesiastical History of Britain, and more especially of the English nation, as far as I could learn either from the writings of the ancients, or the tradition of our ancestors, or of my own knowledge, has, with the help of God, been digested by me, Bede, the servant of God, and priest of the monastery of the blessed apostles, Peter and Paul, which is at Wearmouth and Jarrow; who being born in the territory of that same monastery, was given, at seven years of age, to be educated by the most reverend Abbot Benedict, and afterwards by Ceolfrid; and spending all the remaining time of my life in that monastery, I wholly applied myself to the study of Scripture, and amidst the observance of regular discipline, and the daily care of singing in the church, I always took delight in learning, teaching, and writing. In the nineteenth year of my age, I received deacons orders; in the thirtieth, those of the priesthood, both of them by the ministry of the most reverend Bishop J ohn, and by the order of the Abbot Ceolfrid. From which time, till the fifty-ninth year of my age, I have made it my business, for the use of me and mine, to compile out of the works of the venerable Fathers, and to interpret and explain according to their meaning... Source Bede, Ecclesiastical History of the English People. Penguin Classics, D. H. Farmer  (Editor, Introduction), Ronald Latham (Editor), et al., Paperback, Revised edition, Penguin Classics, May 1, 1991.

Case Study Analysis Example | Topics and Well Written Essays - 500 words - 1

Analysis - Case Study Example As far as business-to-business dealings are concerned, the available e-marketplace for Raffles is hospitalitybex.com that is directed at the hospitality and service industry, which was developed together with a number of strategic partners with the aim of offering a solution to making the procurement process efficient. It also enables the organizations that are in the hospitality and service industry cut costs in the supply chain by getting rid of any inefficiency (Turban, King & Lang, 2009). In its e-marketplaces, Raffles takes advantage of the fundamental qualities of the luxurious Raffles Hotel products to engage with the audience that is available online while having a defined and clearly constructed navigation system that has developed a corporate portal. Founded on the strategies that are specific to individual hotels, the audience that is targeted and the product mix, the navigation of the website reflects a hierarchical structure. Each of the sections stands for an order of authority that assists in laying out the organization of the web site while moving the users of these websites with ease in the direction of a set of services that include the reservation process. Raffles has also come up with electronic catalogues as well as having e-procurement that utilizes reverse auctions as mechanisms that assist it in being successful. Raffles can continue taking advantage of the increased market efficiencies by making sure that it expedites and enhances the functions that it is associated with while making sure that is greatly reduces the costs that are linked to reducing the associated costs. Raffles can further improve the search engines; e-auction and payment gateways that it deals with so that it can further enhance the success of its e-marketplace. The business models that are utilized by Raffles and associated with supply chains include

The Nature of Investment in Information Infrastructure Essay

The Nature of Investment in Information Infrastructure - Essay Example However, the degree of success in implementing and investing in IT depends on how the fit between the Technology side and the business side of the overall strategy of the organization. However, this alignment of the IT with the business strategy can be accomplished through the use various IT strategic alignment models. This case analysis will use the Scott Morton Alignment model which is considered as more simple yet powerful model by allowing the use of IT as a strategic driver of change. The use of this model will allow us to view the Metalco from the perspective of strategy, structure, management processes, technology and roles and skills and how they fit into the overall strategy of the organization. The proposed SAP Project will cost Metalco around $23.500 millions with tangible savings in labor cost of 10 million dollars over the period of 5 years with increasing margins to the tune of $ 5 million over the period of 5 years. However, the major benefit of this proposed project wills easy manageability of the operational activities of the traditional systems at the Metalco is more directed at generating the reports rather than managing the operational activities. Metalco is one of the largest enterprises in Australia having a very rich and old history. Established in 1933, Metalco is engaged in the production of low value-added mineral products. The main activities of the organization are discovery, development, production as well as processing minerals including petroleum. Metalco has an asset of AUD 6.00 Billion whereas the revenue figures achieved in 1995 was well over. A complete description of the corporate history, as well as the corporate structure, can be found in exhibit A. Metalco has largely remained a very conservatively operated company with little or no focus on aligning the various independent information.

Mayan Astronomy Essay Example for Free

Mayan Astronomy Essay Who were the Mayans? The Mayans were part of the Mesoamerican civilization and they lived around 2,000 BCE and lasted through to the time when the Spanish explorers arrived. From 250 CE – 900 CE was when they reached the peak of their development. They are well known for a fully developed written language, numerical system, mathematics, art, architecture and astronomy. Where did the Maya civilization thrive? They inhabited parts of Central America such as Honduras, Guatemala, El Salvador and also in areas of Mexico. What were the Mayans views on astronomy? When they viewed and studied the heavens the Mayans mainly focused on Venus and the Sun. They had a calendar, which predicted both solstices and equinoxes and is infamous for ending at December 21st, 2012. The calendar was also very precise and could anticipate eclipses and the revolution of Venus give or take a day for every 6,000 years. The reason for this accuracy was that astronomical observations made by priests were passed down by generations. Venus: No civilization knew more about Venus than the Mayans. Venus was thought to be the companion of the Sun because it is one of the brightest objects on the night sky and because it is always near the Sun before sunrise and after sunset. The time it took for Venus and Earth to line up in their position correlated to the Sun was 584 days. The Mayans also timed their wars based on where Venus and Jupiter were at the time. Sun: But they obviously gave some considerance to the Sun. They not only noted down equinoxes and solstices but Zenial passages as well. They also had a god who symbolized the Sun during a Zenial passage called the Diving God. And the Ecliptic, the path the Sun follows in the sky, was depicted by a double-headed serpent. Also, to signal the changing of season, a ball game was played that re-enacted the Sun’s orbit around the Earth. Earth: The Earth was believed to be flat with four corners. At each corner was a jaguar called a bacab. They were all different colors. The Northern jaguar was White, East-Red, West-Black, and South-Yellow. At the center was green that stood for Earth. Each bacab held up the sky. The Mayans furthermore divided the universe into thirteen layers with a god for each one. Milky Way: It was called World Tree by the Mayans. The star clouds in the Milky Way were believed to be the tree of life from where all life originated. And in the World Tree was a monster called the Kawak Monster which took form of a giant head. On the monster’s head was a sacrificial bowl that had a flint blade to exemplify sacrifice and a Kimi glyph symbolizing death. At the top of the World Tree is a bird named Itzam Ye, or the Principal Bird deity. During winter the part of the Milky Way that dominated the sky was the White Boned Serpent. The Mayans spiritually thought of the Milky Way as a road on which souls travelled to reach the Underworld. So, ultimately, the Mayans were a very advanced and intelligent civilization and were super precise in their calendar and predictions.

Introduction to Ethics Essay -- essays research papers

Ethics â€Å"What are we like, and what should we do?†   Ã‚  Ã‚  Ã‚  Ã‚  As humans we are faced with many decisions in life, which in and of itself, distinguishes us from the animal kingdom. I’m sure other animals make decisions, but as humans we take into account our values and morals. In choosing which path to take with some of life’s decisions, ethics, are often at the center; heavily influencing our choices between what is right and what is wrong. Which are usually defined by society, as to what is acceptable and what is not. As time goes on, society evolves, so do the right and wrongs, our values and morals, and ethics. In philosophy, there were three ethical theories by Aristotle, Kant, and Bentham & Mill and they were the â€Å"Golden Mean†, â€Å"Categorical Imperative†, and â€Å"Greatest Good for the Greatest Number† respectively.   Ã‚  Ã‚  Ã‚  Ã‚  Aristotle believed the one goal everyone strived for was â€Å"happiness† for one’s ownself. If you were a happy person, that would eventually lead to being a good person. He also believed that all living things had certain capacities, and that if one lives up to their full capacities, they will have lived well and had a fortunate life. He went on to state that the perfection of reason leads to the development of two desirable â€Å"virtues†, Moral and Intellectual. Moral virtues dealt with emotions. A person must keep these in balance, to go in either extreme of too much and too little, would be called â€Å"the excess† and â€Å"the defect†, respectively. The balance would be the â€Å"mean†. For example, courage is the mean between rashness (excess) and cowardice (defect). The golden mean is further analyzed in NICOMACHEAN ETHICS. The RHETORIC, is where Aristotle sums up the three categories in an analogical description of life with the Youthful Man (excess), the Elderly Man (defect), and the Man in His Prime (golden mean).   Ã‚  Ã‚  Ã‚  Ã‚  The Intellectual virtues dealt with foresight and wisdom. Aristotle stated the attainment of these virtues could only be done by a select few. For one to be highly intellectual, is to be practically divine, next to the gods. With that being said, it discouraged a lot of people of that era. That’s when his theory was challenged and questioned. What about the artists or craftsmen? Are they denied happiness, because they haven’t attained intellectual perfection? Is in... ...ame-sex marriages and so on. It seems we’re in a shift of paradigms with the myriad of societal changes and acceptances. Is the solidarity of the human race degrading or evolving. Will today’s ethics, be the same tomorrow or in the future? Will they evolve? It seems the chaotic world we live in, the right and wrong seem to favor those in power, or at least be influenced by those people. It also seems, we lower our standards to suit the masses. For example, the carrying of back packs in uniform, before it was prohibited for a Sailor to throw a bag over their shoulder. Only if it was a seabag and only if both straps were on the shoulders. That standard has been altered, to allow plain black back packs to be carried with both straps over the shoulders. There are too many people carrying the backpacks with one strap on the shoulder, presenting a relaxed unprofessional appearance. Is the same happening to society with what is right and wrong? Are we lowering our standard s? References: THE STUDY OF PHILOSOPHY 5TH EDITION, S.MORRIS ENGEL ARISTOTLE ON THE MEAN, G.ZINIEWICZ KANT, DUTY, AND RESPECT, P.STRATTON-LAKE THE NINETEENTH CENTURY ROUTLEDGE HISTORY OF PHILOSOPHY VOL. 7, C.L. TEN Introduction to Ethics Essay -- essays research papers Ethics â€Å"What are we like, and what should we do?†   Ã‚  Ã‚  Ã‚  Ã‚  As humans we are faced with many decisions in life, which in and of itself, distinguishes us from the animal kingdom. I’m sure other animals make decisions, but as humans we take into account our values and morals. In choosing which path to take with some of life’s decisions, ethics, are often at the center; heavily influencing our choices between what is right and what is wrong. Which are usually defined by society, as to what is acceptable and what is not. As time goes on, society evolves, so do the right and wrongs, our values and morals, and ethics. In philosophy, there were three ethical theories by Aristotle, Kant, and Bentham & Mill and they were the â€Å"Golden Mean†, â€Å"Categorical Imperative†, and â€Å"Greatest Good for the Greatest Number† respectively.   Ã‚  Ã‚  Ã‚  Ã‚  Aristotle believed the one goal everyone strived for was â€Å"happiness† for one’s ownself. If you were a happy person, that would eventually lead to being a good person. He also believed that all living things had certain capacities, and that if one lives up to their full capacities, they will have lived well and had a fortunate life. He went on to state that the perfection of reason leads to the development of two desirable â€Å"virtues†, Moral and Intellectual. Moral virtues dealt with emotions. A person must keep these in balance, to go in either extreme of too much and too little, would be called â€Å"the excess† and â€Å"the defect†, respectively. The balance would be the â€Å"mean†. For example, courage is the mean between rashness (excess) and cowardice (defect). The golden mean is further analyzed in NICOMACHEAN ETHICS. The RHETORIC, is where Aristotle sums up the three categories in an analogical description of life with the Youthful Man (excess), the Elderly Man (defect), and the Man in His Prime (golden mean).   Ã‚  Ã‚  Ã‚  Ã‚  The Intellectual virtues dealt with foresight and wisdom. Aristotle stated the attainment of these virtues could only be done by a select few. For one to be highly intellectual, is to be practically divine, next to the gods. With that being said, it discouraged a lot of people of that era. That’s when his theory was challenged and questioned. What about the artists or craftsmen? Are they denied happiness, because they haven’t attained intellectual perfection? Is in... ...ame-sex marriages and so on. It seems we’re in a shift of paradigms with the myriad of societal changes and acceptances. Is the solidarity of the human race degrading or evolving. Will today’s ethics, be the same tomorrow or in the future? Will they evolve? It seems the chaotic world we live in, the right and wrong seem to favor those in power, or at least be influenced by those people. It also seems, we lower our standards to suit the masses. For example, the carrying of back packs in uniform, before it was prohibited for a Sailor to throw a bag over their shoulder. Only if it was a seabag and only if both straps were on the shoulders. That standard has been altered, to allow plain black back packs to be carried with both straps over the shoulders. There are too many people carrying the backpacks with one strap on the shoulder, presenting a relaxed unprofessional appearance. Is the same happening to society with what is right and wrong? Are we lowering our standard s? References: THE STUDY OF PHILOSOPHY 5TH EDITION, S.MORRIS ENGEL ARISTOTLE ON THE MEAN, G.ZINIEWICZ KANT, DUTY, AND RESPECT, P.STRATTON-LAKE THE NINETEENTH CENTURY ROUTLEDGE HISTORY OF PHILOSOPHY VOL. 7, C.L. TEN

Global Economic Cost Essay

Acme Motors- is currently one of the primary US automobile producers in Mexico, aiming to become one of the world’s largest automobile producers in the international market. Aside from the said goal, Acme is also striving to provide their customers with more and better vehicles not to mention the eagerness of the management of Acme to experience high profitability and greater market share. In order to fulfil the said goals, one possible avenue would be to have a comparative advantage over their competitors through investing to developing countries which could supply the company with needed resources. Currently, the company has a manufacturing plant in Nuevo Laredo, Tamaulipas in Mexico that produces the â€Å"Quattro engine†- known for its lightness and high efficiency performance (Associatedcontent. com, 2007). Acme Motors uses one process to develop cars instead of having each engineering center operate under different process. The reason why Acme established the manufacturing plant of automobile engine in Mexico would be for them to utilize the cheap cost of labor of the said country not to mention the lax policies of the Mexican government in terms of workers’ security. With the cheap labourers available in the economy of Mexico, Acme was able to minimize their operational cost, thus, improving their profitability or the level of potential production that they could execute. At the end of the day, Acme will have a comparative advantage over their competitors in the domestic and international market since they could either lower down the prices of their automobiles to attract more customers or offer incentives to loyal customers as well as further expand the operation of the business with the aid of the capital that the management saved from the cheap costs of labor in Mexico. In this regard, the operation of Acme in Mexico has been of great help for the company to enjoy impressive growth for the past years of its operation in the market. Globalization made a great avenue for multinational firms to acquire comparative advantage that later on benefits their consumers and stakeholders in a general sense (The Globalization Website, 2001) But the big question would be; did the company consider the welfare of their workers in Mexico in terms of salary and working hours? How about the benefits of the workers, did they receive any benefits from the management? These are the questions that are currently being thrown over the management of Acme. Are they true? Let us find out. Acme belongs to the so-called Maquiladora which means Mexican industrial plants that assembled imported components into finished products for export. Maquiladora has been known for abusing their workers through paying a very low wage on the latter not to mention the long hours that they have to work which is equivalent to 14 hours a day (Bacon, 2000). This kind of practice already abuses the human rights of their workers as well as violates the Mexican labor law for not allowing workers to establish unions. With the said above issue, Acme has a different case for, even if they are one of the Maquiladora, they value the relationship of the management and their workers. Acme do not allow the workers to work 14 hours a day just like any other ordinary members of Maquiladora do to their employees in order to give way for those who are working student and/or to give ample rest for their workers. Moreover, Acme pays their workers right based on what is dictated by the law as well as based on the company policy which is also being implemented to other branches of Acme around the globe. At this point, the management of Acme ensures to every constituents of the company that they put premium on the welfare of their workers and employees for they believe that the latter is not a tool of the company in reaching their goal, rather, a partner in every step of the way to achieve the goals and objectives of the management. With regards to the formation of labor union, based from what I have observed from the given situation, it would be beneficial on the part of the management to allow our workers there in Mexico to establish a labor union in order to put back their morale and productivity. If the management will not consider this alternative, then, there is a great possibility that the productivity of the entire production area will significantly down. Furthermore, there is no room for the management to get afraid of the formation of the said labor union since we are all confident that we abide on any government policies of our host country as well as we put value on our relationship with our workers. By the time the productivity of our workers improves, the adverse effect of the policy of the Mexican government regarding the purchasing of the majority of our raw materials should come from Mexican suppliers on our profitability level will be neutralized. With the aid of NAFTA, multinational companies like Acme could now select the location of their production area based on the influence of various business factors. This only tells us that NAFTA made it easier for us to find strategic locations for productions that would give the company competitive advantage over our competitors as well as to meet the market demand of our target market. In the short run, operational cost of the company will surpass the revenue level since the company has to invest on fixed asset in order to establish a manufacturing plant in Mexico. But in the long run, this investment of Acme in Mexico will surely give them an avenue to increase their sales, profitability and market share. With the few months of hands on observation regarding the degrading performance of our workers, I have realized that it would be detrimental on the part of the company to ignore the voices of the workers and deprive them of expressing what they feel regarding the current policies that the management implements. Meeting halfway would be the best solution to boost again the morale of the workers as well as their productivity. It would also be beneficial for the company to give them the intended wage rate to inspire them to work hard and have the feeling of being part with the progress of the company. Through this, workers and the management itself will surely have a harmonious working relationship that later on contributes to the attainment of goals and objectives of the company. At this point, let me stress out that at the end of the day, the safest and effective way of having a profitable, efficient and effective business operation would be to hear the voices of workers and consider their welfare so as to give them the message that the management treasures their workers. References Associatedcontent. com (2007). Acme Automotives: The Objectives and Interest. Retrieved January 28, 2008, from http://www. associatedcontent. com/article/507171/acme_automotives_the_objectives_interests. html Bacon, D. (2000). The Story of a Maquiladora Worker. Retrieved January 20, 2004, from http://detagreens. tripod. com/maquiladora. htm The Globalization Website (2001). Globalization Debates. Retrieved January 7, 2004, from http://www. sociology. emory. edu/globalization/debates. html#cultural