Tuesday, January 28, 2020

Justify the use of IT for this problem compared to other methods Essay Example for Free

Justify the use of IT for this problem compared to other methods Essay In my opinion I feel that IT would be most appropriate for this problem. I can justify this by using an example such as; if a large corporate company that have millions of bills to produce all the time and used the manual approach, they would be paying out more money than they are making. This would mean they would have to charge the customer more for their services and some customers may not feel satisfied with the prices, and this may cause them to end their contract with the company. I do think that the total cost for hardware, software and their maintenance can seem overwhelming, however once these costs have been taken care of the company can produce millions of bills quickly and efficiently, saving time and money. The cost of initially training staff may also seem like a lot of money, however once the staff have been trained they will have the knowledge for a long-time and so the company wont have to keep paying out for new staff to learn special skills. However, if someone wanted to produce one bill buy a whole new computer system with new hardware and software wouldnt really justify the cause. Producing 1000 letters by hand would be ridiculous because using this method to solve this type of problem would only cause inconvenience and further problems. The best way to deal with this problem would be to use IT, using IT would quicker and more economical. And if all the letters had the same framework and only a few details needed to be changed each time one could use something like a mail merge system. However, when producing only one letter it is better to do it by hand rather than investing in a whole new computer system. When using the IT approach to the situation of producing many bills, it has many advantages one of the most important ones in my opinion is security. If the system is done by hand, anyone has easy access to the personal details of any customer, these details are very confidential. However, when everything is done with a computer system the security is increased and additional passwords and precautions can be taken if required which are usually needed when working with a huge-communication company. Would the use of IT in expert hands have produced better results than those you produced? In my opinion, I feel that if this particular dilemma was placed in the hands of an IT expert they would have handled it different to the way I have. Firstly I think they would have solved the whole Is the use of latest technology always an improvement? (Try to give examples in IT where the latest technology has been helpful in achieving results and also where there have been problems using latest technology. Draw some sort of conclusion.)

Monday, January 20, 2020

protien synthesis Essays -- essays research papers

Protein Synthesis The Expression of a Gene   Ã‚  Ã‚  Ã‚  Ã‚  The process of Protein Synthesis involves many parts of the cell. Unlike other similar productions, this process is very complex and precise and therefore must be done in proper sequence to work effectively. The slightest error during this process could cause the action to experience difficulty or even fail. For example, in the production of starch, glucose molecules are combined to be stored and eventually utilized as usable chemical energy. The cell can break down the starch with little difficulty as if each molecule was identical, even though there is a wide variety of molecules. This is a different case in Protein Synthesis. In Protein Synthesis, there are twenty different amino acids and if one is out of place than is will effect the specificity of the protein. In a healthy person, the protein hemoglobin can be found in red blood cells, hemoglobin is helps with the transfer of respiratory gases from the blood to the tissues of the body. With an illness called sickle-cell anemia, the red blood cells are changed from a round, disk shape to a floppy looking sickle shape. These cells therefore cannot pass through small blood vessels due to their divergent shape. The actual cause of this mutation is a gene disorder, where the sixth codon of the protein glutamaric acid is changed with valine. This small change in the genetic code can cause severe defects in the effected such as blood clots, severe disorders and even death. All this can result from a misinterpretation in one codon in a chain of hundreds! Protein synthesis acts in this way, that is if there is only the most minuscule mistake it can have monstrous effects. THE BASICS OF DNA AND GENES   Ã‚  Ã‚  Ã‚  Ã‚     Ã‚  Ã‚  Ã‚  Ã‚  Protein synthesis first begins in a gene. A gene is a section of chromosome compound of deoxyribonucleic acid or DNA. Each DNA strand is composed of phosphate, the five-carbon sugar deoxyribose and nitrogenous bases or nucleotides. There are four types of nitrogenous bases in DNA. They are (A)denine, (G)uanine, (T)hymine, (C)ytosine and they must be paired very specifically. Only Adenine with Thymine (A-T) and Guanine with Cytosine (G-C).   Ã‚  Ã‚  Ã‚  Ã‚  To form a polynucleotide DNA, many nucleotides are linked together with 3`-5` phosphodiester linkages. In a compl... ... structure of many chromosomes ( chromosomal mutations). Mutations are not always bad because they can cause adaptation and variation in people. Point Mutations and Base Pair Mutations   Ã‚  Ã‚  Ã‚  Ã‚  The most common type of mutation involves a change in only a single base pair. This change only effects a single codon of the gene. There are three types of base pair mutations: silent, missense, and chain termination. Silent mutations involves the repositioning of the third codon. This does not effect the amino acid sequence. Missense mutation is where one codon is altered to code for a different amino acid (sickle cell anemia). Chain termination mutations involve the codon being changes to a stop codon. This causes the protein synthesis to remain incomplete and lose most of the biological activity. Frame shift Mutations and Mutagens   Ã‚  Ã‚  Ã‚  Ã‚  This is the addition or deletion of one or more base pair but not multiples of three. This causes the ribosome to read the codon incorrectly causing and entirely different amino acid sequence. Mutagens are agents that increase the frequency of mutations. X-rays or other radiation are causes of mutagens.

Sunday, January 12, 2020

Effects of Terrorism in Africa Essay

Terrorism can be defined as the deliberate use of violence by persons or groups to attain certain goals through threatening a large audience, further than that of the immediate victim (cited in Crenshaw, 1994). Though the intentions of terrorists may contrast, their activities follow a regular pattern with terrorist cases occurring in a number of forms: suicide attacks, airplane hijackings, assassinations, kidnapping, bombings, and threats. Intentions of terrorist attacks are to put plenty of pressures to a government so that it can give political privileges (Davis, 2010, p.  43). Throughout history, terrorism occurrences have been rampant throughout the world. In Africa, terrorism attacks have rendered immense consequences. These consequences can assume a variety of forms ranging from casualties, a heightened worry level, destroyed buildings, and countless economic costs. Usually, African countries prone to terrorist attacks are; democratic in character or are in a wholly inefficient dictatorship (Crenshaw, 1994, p. 96). Terrorists time and again target to attack economic interests that are of figurative importance to the target system. This can cut state income flows and dispirit foreign investment, both of which deteriorate the government’s economic support base. Mostly, terrorists target tourism industries and hospitality sectors. These renders African states a huge blow economically though losses that trickle down to other industries e. g. the insurance industries incurs losses through immense insurance claims (Whittaker, 2003). Acts of terrorism have also potentially impacted negatively on freedom and human rights of Africans. These freedom and human rights are; rights to freedom of expression, security of individual, religion, opinion, demonstration, assembly and belief. Therefore, terrorism poses a threat to the political and social values that are in many ways associated with the full enjoyment of fundamental freedoms and human rights (Davis, 2010). In conclusion, all terrorism occurrences involve violence or the threat of violence. Violence can be committed by persons or groups. Terrorism not only weakens confidence in African governments, but it also generates panic amongst citizens of a state. References Crenshaw, M. (1994). Terrorism in Africa. New York: G. K. Hall. Davis, J. (2010). Terrorism in Africa: The evolving front in the War on Terror. Lanham, MEd: Lexington Books Whittaker, D. J. (2003). The terrorism reader. London: Rutledge

Saturday, January 4, 2020

Environmental Sociology And The Environmental Justice...

Environmental sociology began to emerge in conjunction with the environmental justice movement. Environmental sociology can be defined as the study of how human societies interact with their environment. One important individual, Dr. Robert Bullard, acted as a key person throughout the environmental justice movement. He served as a technical advisor on civil right lawsuits and is now a professor at Texas Southern University. Because of his research dedicated to environmental issues pertaining the African American community, he is known as the father of environmental justice. Under the umbrella of environmental sociology it discusses concepts such as environmental justice and environmental inequalities. When racial and socially marginalized†¦show more content†¦This can be shown in areas that are considered fenceline communities. These are communities that are located directly in the midst of toxic pollution. Residents who live in these communities often accept their conditio ns of their surroundings and wait for disasters to happen. These disasters include chemical spills or toxic contamination that can demolish their communities at some point. These individuals are also put at a higher risk for possible terrorist attacks. Moreover, residents who live nearby also suffer by having their wealth stolen through lowered property values. To show example, in 1992 the National Law Journal found discrepancies in the way the Environmental Protection Agency enforced its Superfund laws (Bullard Wright 2012). In the same year Michigan’s Department of Environmental Quality signed off on permits allowing Genesee Power Station to build an eighty million dollar incinerator for construction use. This incinerator was built beside a predominately black low income neighborhood (Burke 2017). The residents were forced to be exposed to particulate matter, carbon monoxide, lead, and acidic gases. 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