Wednesday, January 29, 2020
The Project DB Essay Example for Free
The Project DB Essay Project Planning entails a lot of complexities most especially when the project at hand is quite complicated and limited in nature particularly in time constraints. Nevertheless, there are specific tools designed to facilitate manageable and easy project planning possible. Such tools may be classified according to the nature of the project handled. For small to medium sized projects, tools such as Gantt Charts, Critical Path Analysis, Program Evaluation Technique (PERT), and Planning Cycle may be used. While planning large projects may employ the use of the tools such as Planning Management Methodologies, Stakeholder Analysis, and Stakeholder Management. à à à à à à à à à à à Among these, the commonly used are the Gantt Charts, Critical Path Analysis, and PERT. All these three requires Work Breakdown Structure. Gantt chart (designed by Henry Gantt) is very useful in the sense that it is much easier to construct and understand. The activity in relationship to time is immediately obvious unlike the other tools. Its value is easily recognized as it is less complex to look at. While Critical Path Analysis or CPM and PERT are both powerful tools, the first one identifies which tasks should be done on time to complete the project on time, at the same time, identifies which tasks can afford to have delay yet still completing the project on time. Thus, CPM identifies the shortest possible time to complete the project, the resources needed, and the most efficient way of shortening the time. PERT is a slight modification on CPM. It makes use of quite skeptical view of time for each project stage. The optimistic, pessimistic, and most likely time is indeed helpful to prevent biases from unrealistically short time-scales assumptions. Hence, in my own point of view, I personally prefer to use CPM since it has a lot of advantages over the others considering that it can present the early and late completion of the project with respect to the time allotted to complete the project. à Works Cited Page à Project Planning Management Tools. 15 July 2008. Mind Tools Affiliate Program. 03 Aug. 2008. http://www.mindtools.com/critpath.html
Tuesday, January 21, 2020
In Search of King Arthur :: Internet Literature Essays
In Search of King Arthur Ever since I was a little girl, I was fascinated by stories of courageous knights and virtuous ladies, who populate the covers and pages of books and screens of the movie theaters. Their splendid attire, glamour of the courts and impeccable manners attracted and conquered the imagination of the little girl. Robin Hood was one of my favorite characters, however there was one hero, who troubled my imagination most of all. I have heard and read numerous stories of a magnificent, just and most generous king of all, King Arthur. Legends and myths surrounding the adventures of this character preoccupied my thoughts and pulled me into reading marathons. Today, several years later, I am continuing to indulge my interests. Luckily there is so much material available on the Internet on the subject of King Arthur's and his knights' adventures that I don't have any trouble locating the material interesting to me. Moreover, I have found the following Internet sites most useful in studying the top ic of King Arthur's adventures: Britannia.com (http://www.britannia.com/history/h12.html), The History and Historicisation of Arthur (http://www.users.globalnet.co.uk/~tomgreen/arthur.htm) and Legends (http://legends.dm.net/kingarthur/index.html.). Britannia.com is a very well-structured website. The home page of this Internet site is organized in a manner that allows a viewer to locate necessary information speedily and with ease. However, besides being well structured, the site contains all the essential information related to King Arthur and other main characters of the legend such as Merlin, Guinevere. Information on Geoffrey of Monmounth, the author of the History of the Kings of Britain, is also available. A viewer only needs to click on Arthur, the King (http://www.britannia.com/history/arthur/kaking.html) in order to find numerous hypotheses of King Arthur's birth and origin as well as general theories of his existence: "Arthur, it seems, is claimed as the king of nearly every Celtic Kingdom know" (Arthur, the King, p.1). Here King Arthur is claimed to be a Breton king, a Dumnonian king, a Cumbrian king, an Elmet king, a Scottish king, a Powysian king, among others. Many historians such as Geoffrey Ashe, Graham Philips and Martin Keatman identify Arthur with various noble houses that occupied territories of Great Britain and Scotland. Furthermore, Britannia.com contains links to such material as Timeline of Arthurian History (http://www.britannia.com/history/timearth.html). These pages contain a detailed timeline, starting from 63 A.D., with Joseph of Arimathea's coming to Glastonbury, bringing with him the Holy Grail, and ending in 1090 A.
Monday, January 13, 2020
English As A Second Language Program Essay
An ESL or English as a second Language program, as the name suggests is for students or people in general who do not speak English as their first language and have an interest in learning this language for certain reasons which may range from applying to a college or university in United states or elsewhere or they would want to get accustomed to this language for the purpose of conducting business overseas, for communication with peers at work or it can be for the simple reason of communicating with people at different situations. In this article we are going to focus on ESL programs for students at a school district, comparing and contrasting on the ways they are executed and the ways they should be executed. English as a Second Language programs for students are offered to students by either scheduling classes in between their regular course classes or they can be undertaken as a separate programs by certain individuals who are accommodated in the vicinity of the university. Today, since the ratio of international students is increasing at an alarming rate in United States or Canada, offering an ESL program is more of a legal requirement for most districts so that all students are taken forward together at university or when they enroll into one in future. It is also due to this very fact that a lot of emphasis is given to ESL programs at elementary and middle school levels to prepare students to use English as a channel of communication in future. The execution and the effectiveness of these programs however, vary with different school districts depending upon trained teacher, the program and the dedication of the students themselves. The duration and intensity of an ESL program varies with the individual or university requirement and can be full time or part time, ranging from a couple of weeks to even a year. These details as mentioned do differ, so for example the ESL program offered at the Greenwich public school which aims at providing students academic and communication skills In order for them to succeed in U.S universities as effectively as possible. The elementary school offers this program for an average 2- 4 years with one to eight hours of instruction every week depending upon the grade and language individual needs of students. The school also focuses on very small groups and emphasizes individual attention to students to better understand their weaknesses and fill I the gaps. The Greenwich Public School district has been offering ESL programs for the past 28 years and has seen an influx in the number of ESL students over the years. In the year 2004-05 approximately 731 students enrolled in the program altogether from 54 countries. The elementary school curriculum includes a variety of materials according to student needs such as work books, songs, CDââ¬â¢s, learning of poems, class presentations etc. this program is more content basedà and strong emphasis is give on the reading aspect in this program.à The program is organized around themes and aims at teaching critical thinking along with language skills to enable success in mainstream class rooms. In more specific terms this ESL program for elementary students includes Theme based English series which includes work books, posters etc. Group activities (theme based) which tend to explore literature along with songs, activities, TPR games etc. Miami Linguistics, which are designed for ESL beginners in a sequential reading manner. In Greenwich Public School, after completing the elementary school program after reaching grade 2 or grade 3, ESL students are expected to formulate questions, read outside of class, compare materials in a text and also contrast them. They are also able to express a story in their own words with proper understanding and expressions, write small paragraphs and initiate conversations. After completing the basic ESL program for elementary school, students can decide to move out of the program or advance to higher level middle school ESL program, which has its own curriculum and particular hours to be covered aimed at developing proficiency in English language. Placement in this program is based on entry tests and educational history. After looking at the details of different ESL programs offered by various institutes, if one actually compares them with reality, one can say that ESL programs put students under a lot of stress as they try to achive excellence in a second language, therefore recreational facilities should be made affordable, also the students should be encouraged to mingle with American students in order to culturally adjust with themà and pur into practice all the theories they have learnt inà class. Also one of the most important things which teachers for this program need to understand is that students enrolled in an ESL program come from very different backgrounds and cultures, therefore the same methodoligies cannot be applied across the board for teachin purposes. Students must be carefully monitered and encouraged to use their strengths to achive succcess in the course.à (Currie, 2003) If one compares the ESL program offered by greemwich Public School with other ESL programs offered, we can say that most ESL programs are similar in conducting theme based activities, which can be selected by asking students what they want to say, moulding the curiculum in childrenââ¬â¢s interest. Also at this stage most ESL programs are content based, songs are also one of the important keys to success in most ESL progrms. One of the methods which can contribute towards the improvement of an ESL program at Greenwich is that revision of matrial is very important before every new leson taught, this can be best achived with the help of songs before proceeding forward. Each lesson should be broken down into three to four parts, starting with warm up and revision of previous material, then teaching new lesson, for example new vocabulary words etc, the third part should incorporate games or activities t practice the new lesson and the ending of a esson sholud be on a happy thankful note, referably a song. This approach has been teted at ther ESL program and has proved to be very succesful. Different approaches to learning can be adressed thorough ESL games, making learning lessions fun and more effective. Depending on the students theses ESl games can vary from auditorylearnig style in which games involve more listening through peoms or repitation etc. Visual ESL styles ca be used for students who are more comfortable with videos of games involving flash cards etc and finally tactile learnig styles can be used in which ââ¬Å"touchâ⬠are used.à (Vernon) In conclusion, if the current ESL program in a School district is evaluated in terms of the comparisons and details mentioned above,à I would say that diverse approach towards the students is missing and teachers are adoptingà a homogenous method towards all students. In my opinion more effort needs to be diverted in this angle where different games and teaching styles are used after analysing the capabilities of students and more emphasis should be place on practical learning.
Sunday, January 5, 2020
Humanity s Fate Free Will Or Determinism - 1978 Words
Humanityââ¬â¢s Fate: Free Will or Determinism? Is one s life determined or is it the result of free will? In establishing the answer to this question, it is essential that one understand the difference between the two representations. When one follows the doctrine of determinism, it is as though one has absolutely no control over the various occurrences that take place during one s life. Free will, on the other hand, is the concept of having full authority over one s aspirations and ultimate direction, reflecting the exact opposite of those who adhere to determinism. Having adequately grasped the meaning behind these two divergent perspectives, it can easily be demonstrated that life is one s own responsibility. Instead of leaving all things up to fate, an individual has a significant influence upon his or her own ultimate existence. One may argue that we shape who we are based on every little decision and thing we do. Yes, there are factors that might sway or influence our decisions and what we do, but we are the ones to choose whether those factors will sway or influence our decisions and actions. The essence or nature of a person is not fixed in advance and must be created on his or her own. One can think of it as being your own canvas. You are your own masterpiece. Whether based on what you do and the choices you make, that masterpiece is beautiful or ugly, it is you who created it, and you must be fully aware of that in order to take full responsibility for whoShow MoreRelatedThe Societal Implications Of Free Will Versus Determinism1765 Words à |à 8 PagesThe Societal Implications of Free Will Versus Determinism Since antiquity religion and philosophy have grappled with whether humanity truly possesses free will or if our actions and all the events in our lives are merely governed by fate. In the western pagan world the idea of fate laid down by various deities pervaded common thought on the subject. The introduction of Christianity saw this viewpoint wane slightly with its new focus on choosing to complete good deeds and living a christian lifeRead MoreHumanities And Discuss The Role Of Role1468 Words à |à 6 Pages1. Define the humanities and discuss the role they play in your life. Stanford humanities center defined the humanities as the study of how people process and document the human experience (Stanford Humanities). In order to understand our world, humans use philosophy, literature, religion, art and music. The knowledge of recording these human experiences gives us an opportunity to focus on our similarities and differences, and also to learn important lifeââ¬â¢s lesson. The textbook states that throughRead MoreFate and Destiny7886 Words à |à 32 Pages\\server05\productn\T\THE\26-1-2\THE1203.txt unknown Seq: 1 26-FEB-07 9:49 Fate and Destiny: Some Historical Distinctions between the Concepts Richard W. Bargdill Saint Francis University Abstract There has been a great deal of attention given to the ââ¬Å"free will versus determinismâ⬠debate. However, little attention has been paid to the most common expressions from this controversyââ¬âpeopleââ¬â¢s everyday experience of fate and destiny. In fact, fate and destiny are terms that are often used as synonyms as if thereRead MoreA Discussion On Morals And Freedom Essay1486 Words à |à 6 PagesPhilosophical discussions on morals and freedom often focus on the issue of free will. This often brings up the question of whether humanity is responsible for all actions or could there be other forces already in play. The amount of evil caused by human fault is a theme located in literature all throughout history starting as early as the book of Genesis when looking at Adam and eve, ranging to Shakespeare s seminal play Macbeth. In the following paper, I will argue that Shakespeare has writtenRead MoreNaturalism Literary Period2601 Words à |à 11 Pagesperiod including; man vs. nature, man vs. society, sex trade, wasted potential due to uncontrollable forces, and manââ¬â¢s animalistic features such as basic instincts. Naturalism is a literary movement that developed into a literary style consisting of determinism, objectivity, and pessimism, all in efforts to portray the humanistic perspective in themes and characters. Naturalism and realism are tremendously similar in literary style but their slight difference in details, such as environment and instinctsRead More Choices and Responsibility in Londons To Build a Fire and Cranes The Open Boat1638 Words à |à 7 PagesChoices and Responsibility in Londons To Build a Fire and Cranes The Open Boat Naturalism portrays humans control over their actions and fate as limited and determined by the natural world, including their very humanity. The freedom described by Jean-Paul Sartre results in all individuals having the ability to make present choices independently. Despite the fatalism illustrated in naturalism, the characters in Londons To Build a Fire and Cranes The Open Boat are ultimately responsibleRead MoreFate And Free Will : Oedipus Rex1841 Words à |à 8 PagesFate and free will have many meanings towards what they mean in Oedipus Rex itââ¬â¢s all based on fate and free will. When your whole life is planned out for you itââ¬â¢s usually fate something you canââ¬â¢t avoid or run away from. Fate is played out in Oedipus Rex although free will happens to be your choice of action which happens to be played out in the play. Oedipus pursed information to seek certain knowledge that he should ve just left alone about his identity. Fate is responsible for Oedipusâ⬠â¢s incestRead MoreHuman Progress: The Vicious Circle Essay1567 Words à |à 7 Pagesbe careful about it. However, the problem of progress in itself is not a recent one. Since humanity exists, it has not ceased to progress and every step that humanity took was criticized in its time. So while the need to discuss transhumanism and human enhancement is legitimate, it is also interesting to wonder about human progress in a broader general view. It is undeniable that throughout times, humanity has been progressing in all fields, but what drove humankind to do so and what still drivesRead More Genetic Determinism2854 Words à |à 12 PagesGenetic Determinism On Christmas Day in the year 2001, I gave birth to a healthy baby boy. When I looked into the brand-new face of my son I saw a beautiful mystery. I wondered what kind of man my boy would grow to be and what his life would be like. There are those in the scientific community who would argue that my sons path was already determined at the moment of his birth, that his fate could be deciphered from his genetic make-up. As a nurturing mother I know better. At two years old myRead MoreExistentialism, Nihilism, And Objectivism2408 Words à |à 10 Pagesimportant questions that one can ask are those of a metaphysical nature. The deeper questions that seek to explain the reason weââ¬â¢re here in the first place, if for any reason at all. Itââ¬â¢s easy to get lost in the many differing theories proposed from Determinism to Rationalism to Solipsism to Absurdism the possible theories one can ascribe as correct are endless. But the ones that try to answer those big questions in the most g eneral of terms are the ones that seem to hold the most verisimilitude. Existentialism
Saturday, December 28, 2019
E Commerce And The Distribution And Retail Levels Since...
It is very much true and not a faction that the increased utilization of eMarketing/ mMarketing is accelerating the elimination of resellers at both the distribution and retail levels since internet has a great power and created a revaluation which to drastically altered and change the equilibrium of influence between consumers, retailers, distributors, manufacturers and service providers; where some win or gain and some lose (Hollensen, 2013). The e-commerce in many industries added more pressure to the physical distributors and dealers of goods and services since it became more user friendly and convenient to order these goods and services online from various resources while comparing the prices at the same time. On the same issue the disintermediation process, led to some channel conflict or rate parity issues (Hollensen, 2013). In the hospitality industry with the elimination of some traditional booking channels such as travel agencies as well as Consortia, and Mega wholesaler as the traditional ââ¬Ëphysicalââ¬â¢ distributor or Third Party Intermediaries (TPI) to the room booking, new types of intermediaries emerged which is called ââ¬Å"online Travel agencies OTA or Opaque Channels. I have bowered Hollensen Figure 16.8 Disintermediation and reintermediation to show the changes to the industry in the past decades (Hollensen, 2013, p. 588). It is a public knowledge that Hotels have a fixed inventory of perishable products- room nights available for sale on any given dateShow MoreRelatedAmazon, Inc. Inventory Management1553 Words à |à 7 PagesAmazon.com, Inc. Inventory Management The e-commerce giant that everyone knows as Amazon.com started in 1994 as a vision of great untapped potential from founder Jeff Bezos. ââ¬Å"Seeing beyond the obvious to potential commercial applications, Bezos saw a giant opportunity in the general publicââ¬â¢s growing usage of the Internet, which was exploding at a rate of 2,300 percent per yearâ⬠(Llopis, 2011). Since 1994, e-commerce and Amazon have both grown to be integral parts of business as we know it. ThisRead MoreAmazons Competitive Analysis1296 Words à |à 6 PagesCompetitors can compete directly or indirectly. Competition happens on two levels: Product or service competition. Due to the shift of focus for Amazon, it has become the Earths biggest anything store. Its competitors have expanded from just online book retailers Barnes and Nobles and Borders to top audio retailers CDNOW.com and online auction house e-bay.com. Amazon has an overall lead of 40% market share against the other online retail firms. Their international business has more than doubled over theRead MoreE-Commerce Essay1225 Words à |à 5 Pagesworld largest computer network is the internet. With the astonishing growth of the Internet nowadays, many companies are finding new ways to expand their business opportunities. One can even say that thereà ¡Ã ¯re almost all companies used computers in their everyday business. Thus, E-commerce is emerging as an increasingly important way for businesses to reach potential customers. Introduction What exactly is e-commerce? Most casual internet users think that e-commerce is just buying and selling onlineRead MoreE Commerce And The Internet1252 Words à |à 6 Pagesworld largest computer network is the internet. With the astonishing growth of the Internet nowadays, many companies are finding new ways to expand their business opportunities. One can even say that thereà ¡Ã ¯re almost all companies used computers in their everyday business. Thus, E-commerce is emerging as an increasingly important way for businesses to reach potential customers. Introduction What exactly is e-commerce? Most casual internet users think that e-commerce is just buying and selling onlineRead MorePoters Five Forces Model in E-Commerce Essay1312 Words à |à 6 Pagesï⠧ relative price performance of substitutes ï⠧ buyer switching costs ï⠧ perceived level of product differentiation The threat of the entry of new competitors Profitable markets that yield high returns will draw firms. This results in many new entrants, which will effectively decrease profitability. Unless the entry of new firms can be blocked by incumbents, the profit rate will fall towards a competitive level (perfect competition). ï⠧ the existence of barriers to entry (patents, rights, etcRead MoreE-Commerce Industry Analysis- Porters1596 Words à |à 7 PagesFirm Strategy, Structure and Rivalry | * Indiaââ¬â¢s e retailers have primarily relied on PE funds and venture capitalists * Pricing is the point of differentiation from existing Brick and Mortar shops * Focus on segments like Books and apparels to slowly increase their offerings * innovations in delivery and technology in recent years like Cash on Delivery, CRM * Introduction of Guarantied replacement approach.Rivalry- * Business model is easy to copy * Beginning ofRead MorePoters Five Forces Model E-Commerce1348 Words à |à 6 Pagesï⠧ relative price performance of substitutes ï⠧ buyer switching costs ï⠧ perceived level of product differentiation The threat of the entry of new competitors Profitable markets that yield high returns will draw firms. This results in many new entrants, which will effectively decrease profitability. Unless the entry of new firms can be blocked by incumbents, the profit rate will fall towards a competitive level (perfect competition). ï⠧ the existence of barriers to entry (patents, rights, etcRead MoreE-Tailing1230 Words à |à 5 PagesThe eââ¬âtailing business sector is described as ââ¬Å"the selling of retail goods electronically over the internetâ⬠(DMS Retail, 2011, p.2). Information technology in the e-tail business sector is developing with â⬠the emergence of standardized Web 2.0 technology and open source software packages, shopping cart and e-tail e-commerce tools have become cheaper, more powerful, standardized and chock-full of all kinds of interactive, multichannel and multimedia featuresâ⬠(E-Commerce Times, 2007, p.1). MajorRead Moreretail management Essay952 Words à |à 4 Pagesï » ¿Heng Seng Management College BUS4003 ââ¬â Retail and Channel Management Baleno Case Study Group3 Group Member: 1. Introduction 1.1 The history of Baleno Balenoââ¬â¢s story can be traced back to 1981, established by young fashion experts. ââ¬Å"BALENOâ⬠was registered in Hong Kong in 1996 and established Baleno Holdings Limited as the holding company. With successful rebranding tactics and marketing strategies, Baleno expanded its network rapidly across Asia. à Baleno understands that no singleRead MoreAmazon Is An American Electrical Commerce Company1509 Words à |à 7 PagesIntroduction Amazon.com or Amazon is an American electrical commerce company that is known for its incredibly diverse selection of affordable products. The company was founded in 1994 by Jeff Bezos as an online bookstore. Over the years, the company diversified the products it offered to incorporate goods such as: electronics, jewelry, clothing, food, furniture, home goods, and many more. Amazon has even begun creating and selling its own brand of goods on its website. Because of the large amount
Thursday, December 19, 2019
Homeland Security And Law Enforcement Integrated - 3127 Words
Homeland Security and Law Enforcement Integrated The purpose of this paper is to define and give as much detail information about Homeland Security in the United States and law enforcement and how they are integrated. I hope after reading this paper you will be well informed on the duties and responsibilities of these agencies. People have always lived in fear but with the help of these agencies we will no longer have to live in fear. I will try to give as much detail information as possible to help with any problems or situation that might come up. Homeland Security in the United States and law enforcement have extensive research skills and knowledge in serving and protecting citizens and other important groups and agencies. Homelandâ⬠¦show more contentâ⬠¦Law enforcement officers handle violence, criminal behavior, serving communities, patrolling high crime areas and helping citizen to feel safe in their homes. Domestic violence has force officers to investigate patterns of abusive behavior in sexual situation and domest ic violence within homes. Some cultures believe domestic violence to be a natural occurrence and this make it hard for officers to solve and prevent domestic violence. Companies have used local law enforcement to aid them in cases where working involves in these situations at work and thereââ¬â¢s a need for police intervention when necessary. I think women are the mostly affected by domestic violence and thereââ¬â¢s a need to protect them. In the police department today there are domestic polices to help protect people in violent situations. Police Department conducts background checks and they search for anyone involved in domestic violence, abuse to a child, neglect of a minor and any other possible past or existing court cases that could be related to these incidents. The two things for all officers to do are to protect and serve the people. The combination of these agencies gives our nation a good feeling of what freedom is all about. Since they work hand and hand trainin g has to be at the top of their list to improve their skills with good intelligence and proper monitoring systems. Both of these agencies collect and analyze data to be able to infiltrate groups to take
Wednesday, December 11, 2019
DNA The Thread of Life Essay Example For Students
DNA: The Thread of Life Essay The thread of life, is deoxyribonucleic acid, otherwise known as DNA. It is the spiral shaped molecule found in the nucleus of cells. Scientists haveknown since 1952 that DNA is the basic substance of heredity. This washypothesized, and later confirmed by James D. Watson and Francis Crick. Theyalso know that it acts like a biological computer program over 3 billion bitslong that spells out instructions for making the basic building blocks of life. DNA carries the bodies genetic code, controls the development of an embryo,is capable of duplicating itself, and is able to repair damage to itself. DNAcan be manipulated to change all kinds of things. All DNA molecules consist of a linked series of unites callednucleotides. Each DNA nucleotide is composed of 3 subunits: a 5 carbon sugarcalled deoxyribose, a phosphate group that is joined to one end of the sugarmolecule, and one of several different nitrogenous bases linked to the oppositeend of the deoxyribose. There are 4 nitrogen bases called adenine, guanine,thymine, and cytosine. In DNA adenine pairs with thymine and guanine withcytosine. Medicines ability to diagnose continues to exceed its ability to treator cure. For example, Huntingtons Chorea is an inherited disease that developsbetween the ages of 30 and 45, can be diagnosed before any symptoms appear. This can be hard for both the individuals with the disease and their family. There is a 3 billion dollar project underway right now called the HumanGenome Project, a 15 year program to make a detailed map of every single gene inhuman DNA. With automated cloning equipment to steer scientists through the DNA,scientists are finding human genes at the rate of more than one a day. This maynot sound like very much but as technology increases the rate at finding themwill increase. Since January 1993 to January 1994 scientists have located thegenes for Huntingtons disease, Lou Gehrigs disease, and the bubble-boydisease. Scientists are expected to find the first breast cancer gene any weeknow. Even with the best tools of today, the progress is full of surprises. Human DNA is not like that of plants, in which the trait of color of a flower isdetermined by one gene.Even the color of a human eye can involve theinteraction of several genes. Some complex genes, such as cystic fibrosis, cango wrong in any number of places. Scientists have already accounted for 350places where the cystic fibrosis gene mutates, and more are being uncoveredweekly. Many environmental factors, some physical, others chemical, can alterthe structure of a DNA molecule. A mutation occurs when such alterations leadto a permanent change in the base sequence of a DNA molecule. Mutations resultin an inherited change in a protein synthesis. DNA is damaged by exposure toultraviolet (UV) light. The DNA does have the ability to repair it self,however. DNA can also be used to match suspects in a crime. Each persons DNA isdifferent from everyone else, except in the case of identical twins in which itis identical. By comparing substances left at a crime scene (blood or semensamples) law enforcement agencies are able to match the DNA at the crime scenewith a certain suspect. A recent example of this is the O.J. Simpson case, inwhich the lawyers are trying to match up O.J.s DNA with the DNA in the bloodfound at the crime scene. Many questions have been raised by a number of people and scientistsabout the ethics of DNA research. It was once feared that the insertion of adisease causing substance could cause a deadly epidemic in the generalpopulation upon accidental release. But, since 1973 when they first used thetechnique it has been transferred thousands of times without any of the fearedcatastrophes occurring. But, still there are many questions remaining to beanswered. Is it right for people to change their babies eye color, or anyother aspect of their baby? Should employers be allowed to see your DNA, to seeif you are at risk for a certain disease? Category: Science
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