Tuesday, December 24, 2019

Racial Discrimination For Their Own Daily Physical Protection

There are many examples on this list that helped me understand that white people are privileged. The first example I have chosen is, I do not have to educate my children to be aware of systemic racism for their own daily physical protection. This example helps me to realize white privilege, because I was never educated about how other races might treat me in day-to-day life. I now realize that this is a problem for some individuals, and that some parents must make their children aware of racism that goes on in society. Mentioning the fact that this knowledge may be necessary for daily protection is also a big key to this example. White children never have to worry about being physically or mentally bullied due to their race. It is upsetting to think that some kids have to be aware of the unfair treatment they may encounter on a given day. There is another example that I have chosen that shows a way in which white people are privileged. I can take a job with an affirmative action employer without having my co-workers on the job suspect that I got it because of my race. I have chosen this example because I believe that it is a great depiction of white privilege in the workplace. I feel like if a white person walks into a new job, co-workers will assume that they are qualified most of the time. However, if a person of a different race was to walk in to a new job, co-workers may assume that they were only hired because of affirmative action. This example relates to Remember theShow MoreRelatedChampion equality, diversity and inclusion1712 Words   |  7 PagesChampion equality, diversity and inclusion          1.1 Explain the models of practice that underpin equality, diversity and inclusion in own area of responsibility. Equality is to treat all as individuals; to respect race, disability, age, gender, religion, beliefs ,culture and sexual orientation. For all to be open to opportunities, to be treated fairly and respectfully, have rights and equal status in society and for all to reach their full potential. Diversity is to value that we are all uniqueRead MoreRacism And The Immigration Restriction Act Of 19011432 Words   |  6 Pagesdistinctive appearance and behavior which indicates their cultures often involving thought that one’s own culture is better and has the right to control others. History of Racism in Australia. 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For some of the oppressed, discrimination and hardship will be fought with perseverance and achievement. In both the fictional Raisin in the Sun and the historical Moulin-Rouge Casino, a black woman, against great odds, will achieveRead MoreDemocracy : A Democratic Society Essay1601 Words   |  7 Pages This includes the separation and sharing of powers between different branches of government, checks and balances, due process of law, and leadership succession through elections. Another value that should be held by a democr atic society is the protection of individual freedoms which includes personal freedom, political freedom, and economic freedom. One of the primary objectives of a democratic government should be to protect basic human rights. One personal freedom found in a democratic societyRead MoreElizabeth And Hazel : Two Women Of Little Rock1506 Words   |  7 Pagesthe two women came, much like the growth the Unites States has made in bringing about racial equality, they were never able to cross that line and fully accept one another. Despite having the same rights as all American citizens, blacks have been portrayed as inferior to whites and other groups of people throughout history. In Elizabeth and Hazel: Two Women of Little Rock, there was a breakthrough in the education system, and blacks were finally getting the chance to go to a school with whitesRead MoreEssay on Ernest Green2349 Words   |  10 Pagessociety. In the twentieth century, the black population of Arkansas still endured periodic beatings, arrests and daily racial taunts at the slightest provocation. However, the law was turning in the Negroes favour. Various organisations including the National Association for the Advancement of Coloured People (NAACP) and Negro produced newspapers fought for an end to racial discrimination and for the advancement of the black population. â€Å"They began to assert political and economic pressure† againstRead MoreWorkplace Discrimination And Its Effects On Social Cohesion And Political Stability1958 Words   |  8 PagesWorkplace discrimination is still prevalent and could have disastrous effects on social cohesion and political stability if it continues unchecked. While the most blatant forms of discrimination at work may have faded, many remain a persistent and daily part of the workplace, or are taking on more subtle forms. Every day, around the world, discrimination at work is an unfortunate reality for hundreds of millions of people. Women are by far the largest discriminated group, with the pay gap betweenRead MoreEssay on Is Racial Profiling a Problem in our Society?1522 Words   |  7 PagesIs Racial Profiling a Problem in our Society? If a certain race, for example a white person robs a bank, is the whole white race held accountable? Now say a African American person decides to hijack a commercial plane and crash it into a city, because of this certain event, is the whole African American Community interrogated or under harassment, only by the reason of their skin color or cultural background? Or what about Arabs and Muslims, just because the Al-Qaeda was a mass-Arab organization

Sunday, December 15, 2019

Systems Development Life Cycle Free Essays

* Write a 200-word paragraph outlining the phases of SDLC and identifying the different personnel that participate in this process. There are many phases involved in SDLC, starting from the beginning is system investigation. This involves professionals looking into the business problem that needs to be solved, and also taking a deeper look at the problems that could come while developing an IT system for a business. We will write a custom essay sample on Systems Development Life Cycle or any similar topic only for you Order Now The second stage, systems analysis, can only begin once the â€Å"development project† has been approved. Once approved, a team of workers begin the system analysis. They go into more detail about what the business problem is, how it will be solved, and the very specific information needed to find the solution. Once that is finished system developers begin the system design phase. It must be explained how the system will accomplish its task. Fourth is programming, computer programmers must fully explain the specific design into computer code. Many times the computer programmers work in teams, because of how detailed and how long the process can be. Proper testing is then needed to be sure that computer code can work, and do exactly what the company needs to IT program to do. The next phase is then changing from the old system, and transferring to the new system. Three strategies are used to aid in the implementation phase: direct conversion, pilot conversion, and phased conversion. The operation phase can then begin, where the new system is now the system the company uses. Last is maintenance, which many times will continue the whole time the system is in operation. There is debugging and updating done so that the system can continue to be used for the company and meet the company’s needs. How to cite Systems Development Life Cycle, Essays

Saturday, December 7, 2019

Size Exclusion Chromatography free essay sample

For application in biochemical aspect, this technique can find out the quaternary structure of purified proteins which possess slow exchange times, since it can be carried out under native solution conditions and preserve macromolecular interactions. The reason why we use this technique for purification is Size exclusion chromatography is a low resolution chromatography method as it does not identify similar species very well. It can also test the tertiary structure of protein as it measures the hydrodynamic volume, allowing folded and unfolded versions of the same protein to be distinguished. Besides using in biochemical research, it is able to find the distribution of the sizes of polymer molecules like if a solvent is chose and run, we can create a calibration curve to determine the sizes of polymer molecules in it. It is better to introduce the mobile phase and stationary phase first. Stationary phase is the solid absorbent or the pore(SEC) with solid support that allow sample across through it while the mobile phase is the sample percolate through or along to the stationary phase. We will write a custom essay sample on Size Exclusion Chromatography or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page In SEC, separation is achieved by the differential exclusion from the pores of the packing material, of the sample molecules(mobile phase) as they pass through a bed of porous particles(stationary phase). For the principle of the SEC, molecules of different sizes can be separated by this technique because of differential time spent inside a solid phase particle which excludes entrance of relatively larger molecules, allows some entrance of medium-sized molecules, and allows free accessibility of the smallest molecules. The particles contain pores with tunnels(stationary phase) in which the size can be controlled depending on the size of molecules(mobile phase) to be separated. Smaller molecules experience a more complex pathway to exit the particle than do larger molecules. Because molecules that have a large size compared to the pore size of the stationary phase have very little entrance into the pores, these larger sized molecules elute first from the column. Medium sized molecules are relatively large compared to the pore size of the solid phase and therefore may find some pores in which they enter and spend some time. Smaller-sized molecules have more pores that are accessible to them and therefore spend more time inside the pores relative to larger-sized molecules. Therefore, smaller molecules elute last and larger molecules elute first in SEC. â€Å"Elute† is mean that the carrier of the mobile phase or the mobile phase from chromatographic bed emerge. For the pore size, which is the important part of stationary phase in SEC, solid phase materials used in SEC are usually classified based on their ability to separate different sizes of proteins. Since size is a difficult item to accurately measure for a large molecule, the solid phase materials are identified with a molecular weight range instead and the weight is equated with size. All compounds with a molecular weight less than or equal to the lower number in the range will see the entire internal volume of the beads resulting in no selection and therefore no separation. All compounds with a molecular weight greater than or equal to the higher number in the range are completely excluded from the inside of a bead and therefore no separation is achieved. Molecules with weights or sizes between these two extremes of the range can be separated. This is the numerical pore size range reported for each solid phase material used in SEC. The pore size used for a separation is dependent on the size range of the particular set of molecules to be separated. Smaller pore sizes are used for rapid desalting of proteins or for protein purification. Intermediate pore sizes are used to separate relatively small proteins. Very large pore sizes are used for purification of biological complexes. For the factor that affect the SEC, first, the particles in solution do not have a fixed size, resulting in the probability that a particle that would otherwise be hampered by a pore passing right by it. Second, the stationary-phase particles are not ideally defined, both particles and pores may vary in size. . The stationary phase may also interact in undesirable ways with a particle and influence retention times, though great care is taken by column manufacturers to use stationary phases that are inert and minimize this issue. Third, increasing the column length will enhance the resolution, and increasing the column diameter increases the capacity of the column. Proper column packing is important to maximize resolution: An over-packed column can collapse the pores in the beads, resulting in a loss of resolution. An under-packed column can reduce the relative surface area of the stationary phase accessible to smaller species, resulting in those species spending less time trapped in pores. Unlike affinity chromatography techniques, a solvent head at the top of the column can drastically diminish resolution as the sample diffuses prior to loading, broadening the downstream elution. The advantages of this method include good separation of large molecules from the small molecules with a minimal volume of eluate, and that various solutions can be applied without interfering with the filtration process, all while preserving the biological activity of the particles to be separated. Second, the technique is generally combined with others that further separate molecules by other characteristics, such as acidity, basicity, charge, and affinity for certain compounds. Third, with size exclusion chromatography, there are short and well-defined separation times and narrow bands, which lead to good sensitivity. The SEC is separated rapidly. Then, there is also no sample loss because solutes do not interact with the stationary phase. The stationary phase doesnt have any absorbent that nteract with the sample and carry out the reaction with the sample. For the disadvantage of the this method , first is the molecular mass that we need to know. The SEC separation is base on the molecular size/ weight, like the gel electrophoresis. It is required to know that there are the range for different of the molecular size. If the difference of the molecular size in the mobile phase, it is not recommended to use this separation. So, before using the SEC, the molecular size of each s ample in mobile phase are required to identify. In addition, the accommodated of SEC is limited. The mobile phase can not be too big. The time scale of the chromatogram is short, and, in general, there has to be a 10% difference in molecular mass to have a good resolution Also, the pore size need to be determined, too small size or too big size will lead to the failure of the separation SEC. In the world, the chromatography is the separation of the sample base on the polar, size, acidity, basicity, charge, and affinity for certain compounds Size Exclusion Chromatography is the one of the chromatography that base on the size of the sample, which is similar to the principle of gel electrophoresis. One different point is the stationary phase, which is the column with the pores of the particles. Reference: (http://www. separations. us. tosohbioscience. com/ServiceSupport/TechSupport/ResourceCenter/PrinciplesofChromatography/SizeExclusion/) (http://www. asdlib. org/separations_pdfs/Size_Exclusion_Chromatography_Separations_Module-finalversion. pdf) (http://en. wikipedia. org/wiki/Size-exclusion_chromatography),goldbook