Summarising Assignment Example | Topics and Well Written Essays - 500 words

Summarising - Assignment Example High and Sangamo BioSciences, Inc., scientists used Zinc Finger Nucleases (ZFNs) genetically engineered enzymes that act as molecular word processors to edit mutated sequences of DNA. Since scientists have learnt how to design custom-matched ZFNs to a specific gene location, they designed ZFNs specifically for factor nine genes (F9) and used it in conjunction with a DNA sequence to restore the normal gene function lost in hemophilia. ZFNs are more advantageous compared to conventional genes since they target a precise place in a sequence of chromosomes (High). Conventional genes may deliver a replacement gene to an unwanted location resulting to bypassing of normal biological regulatory components controlling the gene hence cause risk of â€Å"insertion mutagenesis†. An inherited single-gene mutation in hemophilia impairs a patient’s ability to produce blood-clotting proteins. This results to spontaneous life-threatening bleeding episodes. Hemophilia has two major forms, A and B, which occurs solely in males. They result from lack of clotting factors VIII and IX respectively. In a recent study, researchers used genetic engineering to produce a hemophilia B mouse. Prior treatment, the mouse depicted no levels of clotting factor IX since previous studies by different researchers shown that ZFNs could accomplish genome editing if injected into mice for sickle cell disease treatment. However, the ex living animal approach was not feasible for many human genetic diseases affecting whole organ system (Shangzhen). Therefore, the current study was testing genome-editing effectiveness when performed in a vivo. The researchers designed two vector versions using Adeno-associated virus. One vector ferried ZFNs for editing while the other delivered a correctly functioning version of the F9 gene. Since different mutations in the same gene may cause hemophilia, the process replaced seven different coding sequences, covering 95% of the

Organizational Behavior - The Vancouver 2011 Stanley Cup Riots Research Paper

Organizational Behavior - The Vancouver 2011 Stanley Cup Riots - Research Paper Example Organizational theories at play One of the organization’s theories that were applicable in the case is the McCleland’s need theory. This is a motivation theory that explains behavior at individual level and reviews â€Å"personality and learnt needs† (Nelson and Quick, 2010, p. 156). McCleland’s theory argues that people’s behaviors and efforts towards achievement are driven by three major needs, â€Å"need for achievement, for power and for affiliation† (Nelson and Quick, 2010, p. 156). The need for achievement relates to individual’s focus to embrace difficulties towards successful realization of objectives. People who are driven by the need to achieve persevere conditions, plan, and influence to make sure that their expectations are met. The need for power on the other hand relates to the need and capacity to influence an individual’s immediate environment. It involves influencing other people to an individual’s contro l. This need is particularly exhibited in planning and running of an event that involve a group’s participation. The need for affiliation is on the other hand concerned with interpersonal relationships among people and entails emotional expressions and interactions among people in a set up (Nelson and Quick, 2010). ... Similarly, the attendants need to achieve their objective of being part of the game witnessed their early and general turn up for the event. Need for power is also explained through the influence that resulted into the riots. This is because only a small number of individuals started the idea of rioting and influenced others into it. Similarly, the need for affiliation is exhibited by the initiatives of the individual attendants to be involved in the social event, the hokey game. The need was further manifested in the association with the individuals who caused the riots. The other individuals must have been driven by the need to be part of the already rioting group (Nelson and Quick, 2010; Furlong and Keefe, 2011). Abraham Maslow’s theory of hierarchy of needs is also directly applicable to the event. According to the theory, human needs are hierarchical and are satisfied in order of priority. At the basic level of the Maslow’s hierarchy is a set of physiological needs that are prioritized. These include basic needs for survival and are followed by security needs. Subsequently, â€Å"belongingness needs and esteem needs† follow (Daft and Lane, 2007, p. 230). The need for belongingness drives people to being part of groups while the need for self esteem facilitate strife for recognized status of influence in the society. While the need for belongingness was exhibited by the crowds who turned up for the sports event and those that later joined in the riots, either actively as demonstrators or partially as spectators, the need for self esteem was registered among the individuals who organized and fuelled the riots. The latter group must have had a combination of needs to be recognized by the peers as influential and need to achieve (Daft and

Operation management Case Study Example | Topics and Well Written Essays - 1000 words

Operation management - Case Study Example The crashes caused sales to dropped by 60% and this translates to a drop in revenue that ranges from $1.2 million to $1.8 to a mere $400,000. The business cannot continue losing revenue at this rate. It even nearly folded had it been to $200,000 loan from a friend. The crashes also cause other intangible problems that sabotage the business. Its crashes undermine the brand of its company as it will lose credibility in the market. It is also losing the goodwill of its customers of which it already had hard time retaining them during the height of its technical problems. The website of InsuranceAgents.com is not just a mere website for the company to have an online presence of informing the public that it exists. Rather, its website is the platform where the company conducts its business. It is like its office, its store, that if it crashes, it is tantamount to an office or store to be closed that no business can be done. And since no business can be done, no revenues can be made. Meanwhile, expenses continue to incur even if there is no revenue coming in. it goes without saying that the company cannot afford the website to crash because every time it crashes, it will have an economic impact to the company’s bottom line. There are also other intangible loses that the company incurs that may not register on its financial statements every time it incurs a downtime. This is the tarnished image and brand of the company. It could also drive customers away to the competitor. The company is back on the black and is no longer struggling. It is again a good time to consider growth. And since the tough times seems to be over, the company no longer has to bother with problem and just maintain how things are done. Hiring an experienced and competent CIO who will ensure that the company’s website will be up and running all the time. He or she can also immediately address any issue in the IT department without causing any damage of downtime to the

Argument Essay Research Paper Example | Topics and Well Written Essays - 500 words

Argument Essay - Research Paper Example a century back, death penalty was widely practiced in almost all cultures but in recent times the use of capital punishment has declined very sharply. Although it has been practiced much less than before but still every year thousands of people receive death penalties worldwide and hundreds of them get executed also. There is worldwide debate that whether the death penalty is a justified and valid form of punishment. There is a debate over the morals and effectiveness of such a harsh sentence. Many people support the death penalty while many others wish for the death penalty to be abolished. People who support the death penalty have some very strong arguments in the favor of this punishment. One of the strongest arguments in the favor is that this penalty sends strong warning to those who are planning heinous crimes. If a murderer is sentenced to death and being executed then many future potential murderers think many times before attempting such a crime. They say that if a criminal knows that he is not going to be punished severely even if he/she kills many people, then they gets encouragement from this and does not hesitate to commit those serious crimes like murder. So it’s necessary to convey a strong message to all of those potential criminals. They say that for every man who is executed, seven lives are saved. Another strong argument in the favor of death penalty is that if a criminal like murderer got death penalty and get executed then the relatives of the person being murdered are get satisfied and they don’t try to take the law in their hands. So death penalty not only helps to deter against the potential criminals but it also made the effected people to believe in law and justice and prevents them to take the law in their own hand. Moreover Opponents point to the ever-present risk of wrongful conviction (Los Angeles Times, 2009). People who oppose the death penalty argues that you could not combat violence with more violence they say that â€Å"Why

Visa Company Essay Example for Free

Visa Company Essay Internet shopping is just one of the many types of â€Å"Shopping from Home† (Trading Standards Service, New Jersey, p. 1). The convenience of shopping online had encouraged shopping for airline tickets, computer hardware, books and even stocks and mutual funds. In the United States studies in 1997 showed that Americans spend as much as $5 trillion annually (Strategies Group Inc. , 1998). In another study, Visa Company estimates that 30% of Internet users, corresponding to 18.3 million shoppers will have to shop online in 2002, which mean that it will triple the 1997 figures (Visa, 1996). Visa also found that 25% of Internet users in 2002 have visited websites for shopping purposes while 12% have undergone banking transactions. Relative to percentage of internet shoppers by age group, Strategies Group Inc. estimates that 77% of consumers ages 25 years and below are willing to shop online while 67% pertains to consumers ages 26 to 34 (Strategies Group Inc. 1997). Technology and the globalization trend has made even shopping more convenient to people. These factors have influenced much of the shopping behaviors of consumers and Internet shopping is not an exemption. Several other factors include the following: (1) experience in conventional in-home shopping methods, (2) internet experience, (3) work in the computer branch, (4) convenience factors, (5) uniqueness of the product sold in the Internet, (6) perceived risk and (7) the desire of consumers to experiment (Yankelovich Partners 1996). Aside from these factors, there are studies that show some other factors that are somehow related to the consumer’s Internet shopping behaviors. Time and internet experience according to Network Wizards influence internet shopping behaviors stating that online shoppers are frequently people who spend more time over the Internet or those people who regard Internet surfing as a habit (Network Wizards, 1996). TAKING THE RISKS OF INTERNET SHOPPING The convenience and fun of Internet shopping have corresponding risks that consumers must take and must seriously consider. Because Internet shoppers are required to give their personal information such as name, address, phone numbers, credit card numbers and even Social Security Number (SSN), shoppers are at risk of fraud and identity theft. Our main concern in this paper is to trace back the processes that Internet shoppers undergo before the actual purchase of the product in order to find out where is the loophole located. There have been studies and surveys including criminal records that prove fraud and identity theft to be true. Surveys provided by the Privacy Rights Organization revealed that there are about nine million victims of this crime each year. Studies also show that there are various ways criminals have been using in order to steel one’s identity. They can acquire personal information such as SSNs, driver’s licenses, credit card and ATM numbers including birthdates, addresses and phone numbers that they use to spend the victims’ money without permission. This is done through the process of impersonation. There are two types of identity theft: Account takeover and application fraud (Privacy Rights Clearing House, 2007). Account Takeover happens when the criminal â€Å"acquires your existing credit account information and purchases products and services using either the actual credit card or simply the account number and expiration date. † On the other hand, Application Fraud (true name fraud) happens when the criminal opens new account in your name using your personal information he acquired somewhere. There are several ways by which personal identifications are stolen by these criminals. The website of the Privacy Rights Clearinghouse has provided the following information relative to the most common methods by which one’ identity is stolen. One way is called Dumpster Diving wherein criminals may come as scavengers who fish for unshredded credit cards, loan applications and other documents containing personal information such as SSNs in trash bins. Criminals may also steal mails by unlocking mailboxes. They may also other documents in the mailboxes such as issued credit cards and other documents containing vital information relative to one’s identity. Shoulder Surfing can also be one way wherein criminals can acquire PINs by looking over your shoulders while doing business on ATM booths. Finding identifying information on Internet sources, via public records sites and fee-based information broker sites are ways wherein criminals acquire personal data but they remained unnoticed. Criminals also send email messages that look like they are from your bank, asking you to visit a web site that looks like the banks’ in order to confirm account information. This is called phishing. Take note that of the five methods enumerated above, two are related to the use of the Internet. This therefore suggests that Internet shopping, using the fact that the process requires the use of personal identification numbers, is risky. It is therefore important that each Internet user, especially shoppers, have knowledge on the risks of Internet shopping. Moreover it is important that they too have at least the basic knowledge of Internet and email security information. WHAT SHOPPERS SHOULD KNOW ABOUT INTERNET SECURITY There is basic security information that every shopper should be aware about the Internet. Take note that this information is required by websites who are into the business of online retailing. The terminologies that we are going to discuss are defined and described based on the information provided by the Office of the E-Envoy (Security Tips: Beginners’ Guide to Computer Security). One should learn the importance of a password. A password is a code which the website asks in order to have an individual and exclusive access of the site and the account you have created. Passwords may either be a series of numbers, letters or a combination of both. It is basic and a requirement that such password is a secret code that should be exclusively revealed between the user and the company and therefore should not be disclosed or shared to anyone else. A Security Lock Layer (SSL) is a software tool which ensures that information sent to or from a website cannot be viewed during transmission. It uses a public and private key encryption system. Another security tool common in the Internet is the Padlock. There are cases wherein the Internet user comes across with a padlock (a figure displayed as in a real padlock) displayed in the browser. A padlock in the browser suggests that the website is secure since they are using the SSL software. A site in the padlock therefore means that the information you are transferring from your computer to the operating system of the website offers the assurance that they cannot be intercepted by anyone during the transferring process. Each shopper is also advised to look consider only secure browser when doing online shopping. A secure web browser complies with the standard technical security protocols. This compliance gives the website visitors the assurance that the information they provide to the site cannot be viewed by unauthorized persons. Secure web browsers necessarily has the padlock symbol which when double clicked will reveal a â€Å"digital certificate† which confirms that the site is authentic. Needless to say, Internet shoppers should always shop only on authentic websites. Remember that â€Å"phising† is one of the many ways you can be fooled by imposters.

Evaluation of teaching Essay Example for Free

Evaluation of teaching Essay In groups students will successfully complete a procedural checklist/guide and then demonstrate the procedure following the checklist meeting the following criteria: Note made of all material needed for the procedure. Procedure for preparing the environment and the patient for the NG tube insertion described and performed satisfactorily. Each step for NG tube insertion outlined and followed, in PRECISE order, and with correct technique. All necessary checks and appropriate precautions required during and at the end of the procedure are made and reasonable justification given for why such precautions were necessary. Detail made of two scenarios that may be presented (e.g. ph above 6) and alternate steps or procedures that should be followed. While the student is demonstrating the procedure the teacher will be observing the demonstration. You have a checklist with the above criteria A-E and you award a mark on a scale of 1 to 5 to say how well the student is meeting each criteria. For example in C does the narrator and the demonstrator follow each step correctly or do they mix the steps up. Do they forget to do something that they are supposed to do like check for any obstructions in the nose and throat? The students are rated for each of the criteria and given a mark out of whatever mark you want to give. This mark does not even have to be written down but you just have it in your head that the persons performed the tasks excellently, good, fairly well or very poorly. You will use both demonstration and the checklist as the basis for your evaluation. If you collected the checklist that the students did then evaluation of this could be done separately. Basically the students should follow the procedure the same way you demonstrated it and based on how well they follow instructions you will know whether or not they understand and can perform the procedure. If you need additionally clarification please send a message to me on the system.

Advantages Renewable Energy Resources Environmental Sciences Essay

Advantages Renewable Energy Resources Environmental Sciences Essay Together with the rapid growth of the world population, the limited ability to supply of non-renewable leads to energy demand on a rise especially in developing countries. This situation results in the risk of depletion of cheap fossil energy and environmental pollution as well as climate change. According to Loir, there will probably be sufficient oil and gas for this century, and coal for 2 or more (Loir .N 2007, p.843). Or Edwin Cartlidge reports the annual total consumption of energy sources by the world population is about 1.41017 kWh, of which the proportion of the fossil energy has accounted for 90% of the energy sources used (Physics World 7/2007). Therefore, researchers around the world have been constantly trying to find solutions to diversify energy sources and reduce harmful emissions and greenhouse emissions into the environment and renewable energy sources have taken the spotlight. Thus, what is the renewable energy? The Oxford Dictionary (2000) defines renewable energy as natural energy that can be used again and again and will never run out. There are four major types of renewable energy: solar, hydro, wind and geothermal energy. This paper will discuss advantages and disadvantages that renewable energy resource (RES) brings, as well as analysis the importance of RES to the worlds future. 2. Discussion of findings 2.1 Advantages of renewable energy resources The use of renewable energy has many potential benefits, including human beings and environment. Firstly, renewable is one of the most important  advantages of renewable energy. Essence of RES is derivation from natural processes so the energy is sustainable and never run out. Truly, renewable energy is really important and necessary to human beings when fossil fuels are more and more exhausted. With the never-ending supply of renewables, we would feel secure when having abundant supply of energy to last our planet, our human race and our economies, for generations and ever. Khemani (2011) says: As long as human life is there, there will be earth, sun, wind and water, and the energy from these sources will also be available as long as they are there. With the abundance from many renewable resources and development of science and technology, he strongly believes that renewable energy can meet the worlds energy needs today and tomorrow. Besides, one of the greatest alternative energy benefits is that it is so much better for environment than the use of  fossil fuels that contribute heavily to issues such as acid rain, smog and global warming. On the contrary, renewable energy has little or no waste products such as carbon dioxide or other chemical pollutants. Renewable energy systems produce much lower carbon dioxide emissions as opposed to carbon-intensive fossil fuels such as oil, coal and natural gas while they are being used only a small amount of fuel during the manufacturing of equipment (Walser 2012). With renewable energies, energy is usually converted from one form to another without the creation of pollutants. Chandler (2006) takes solar energy an example, light energy from the sun can be converted directly to electricity using photovoltaic without the production of any pollutants like carbon dioxide or other greenhouse gasses. Similarly, wind power energy relies on moving air and converts it into electr icity without polluting the environment. Therefore, it is obvious that the non-pollution or minimal impacts on environment are the positive advantages of renewable energy. Thirdly, another benefit of renewable energy is a diversified energy mix (Pasolini 2012). It is an important and necessary supplement for global energy security while fossil fuel sources are more and more running out. In some circumstances, renewable energy can be more reliable than other forms of electricity. For example, if the grid gets breakdowns, renewable energy technologies such as generators powered by photovoltaics (PV) can supply electricity automatically. Efficient storage media such as batteries and fuel cells are keys for a renewable-powered grid.   If battery storage is added to the system, it can supply electricity even after the sun goes down or through several cloudy or stormy days (Pasolini 2012). Finally, renewable energy not only is regarded as an unlimited resource but also plays an important role to regional development. Renewable energy and energy efficiency can help revitalize rural communities (Parker 2010). For example, wind turbines or solar panel systems can provide energy and provide rural communities with new tax revenue. Farmers on windy lands can lease space to wind developers, earning thousands of dollars for each turbine every year. 2.2 Disadvantages of renewable energy resources Although it is obvious to recognize the human as well as environmental advantages of utilizing renewable forms of energy, we must also consider some limiting sides from the energy. The biggest disadvantage of renewable energy is that the cost of the energy is relatively higher than non-renewable energy. The initial costs of renewable energy still make many people ignore it completely when comparing it with fossil fuel on two aspects: total cost and over the same time period. For example, installation of solar energy water heater costs many times in comparison with a heater, so they decided to buy heaters for hot water solution. According Global Wind Energy Council (GWEC) (2008) reported that turbine installation costs $ 47.5 billion; by contrast, we only have to spend a much smaller amount of money to build thermal power station about $ 2,25 billion (Shah 2011). He also pointed that other incidental costs such as maintenance costs and production costs cause price increasing. Generally, it is price that the reason has prevented approaching and using clean energy as compared to the fossil fuel sources of energy. Another distinct disadvantage is relying too much on weather conditions and geographic locations to create energy (Sinclair 2011). Each types of renewable sources is just better suited to some places. This means that you cannot use each of these renewable sources in all locations. For instance, when using geo-thermal energy, you must be in a location that provides the environment for geo-thermal energy to be produced. Likewise, we cannot generate hydro-electric power without having a fast-flowing water source, such as a river or waterfall. In addition, the energy also brings some inconvenient problems. Take solar energy water heater as an example, it is inefficient because in summer ambient temperature are high and the use of hot water is not needed; however, in the winter we could not have hot water due to low light of the sun. In addition, Shah (2011) claimed that despite the fact that most renewable energy sources are more environmentally friendly they may still have a negative impact on the environment. He stated that hydroelectricity projects can cause a dramatic change in the development of wildlife and ecosystem along the river and flood risks. 2.3 Can renewable energy supply the Worlds energy needs? With the significant benefits from renewable energy, we cant deny that roles of it are more and more important. According to Pulsinelli (2012), despite the world economic crisis, China spent $52 billion on renewable energy in 2011 and the United States was close behind with investments of $51 billion. At present, renewable energy contributes about 20% in electricity consumed worldwide (Perkowski 2012). It is evident that the two nations, which took the head in renewable energy investment, have known thoroughly out the importance of renewable energy. Nowadays, by advances and achievements of science and technology scientists are having every confidence in bright future of renewable energy. According to the report of The  Intergovernmental Panel on Climate Change (IPCC) in 2011, renewable sources occupied about 13 percent of the worlds energy in 2008 and the proportion likely to have risen. The report also point out that within four decades renewable energy  could account for almos t 80% of the worlds  energy supply. The statistics are completely appeared in the near future if we combine four main alternative resources and use hydroelectric to fill in gaps, which makes easier to match demand. The most important thing is to combine renewable energy sources into a bundle (cited in Bergeron 2011). Particularly, in research (Edenhofer et al. 2011) shows that by 2050, geothermal energy could meet more than 3 percent of global electricity demand and about 5 percent of the global heat demand, hydropower will contribute about 30 percent of worldwide electricity supply, wind power will grow to more than 20 percent and solar energy becomes one of the major sources of energy supply with about 15 percent. 3. Conclusion From all finding above, it is clear that renewable energy plays a role more important with every passing day to both human beings and environment. By abundance renewable energy is becoming an important solution to the worlds energy need. Besides, renewable energy also brings many positive impacts to protecting environment, diminishing effects of global warming or pollutions. Despite some drawbacks of the energy, there are also reasons to believe the problems will be solved soon thanks to strong investment of government and efforts scientists. The exploiting and converting from traditional sources into renewable energy resources is a favorable turning-point to us. The future is indeed bright and will be lit by alternative energy.