Anthrax Virus essays

Anthrax Virus essays Anthrax is a horrible killer. Most that die are unknowing that they are even infected. The symptoms are black sores in the first instance, and abdominal cramp and vomiting and bleeding in the second. If the bacteria grows it will invade the blood stream and cause systemic disease. The inhaled spores are very fast acting. They travel very quickly to lymph nodes. Some of the cell stay in the lungs and cause fluids to build up. After its in the blood B. anthracis can expand because of their virulence factors. This affects the bodies immune defenses that are suppose to monitor the level of bacterial growth. The anthrax toxins also enter other cells and contribute to mortal illness. The toxins consist of three proteins: a protective antigen, edema factor, and lethal factor. These are harmless individually until they attach and enter cells. The way this happen is first the protective antigen binds to the cell where an enzyme trims off its outermost tip. Seven of those molecules form a ring that captures the two factors. Then the two factors attack the cells cytosol, and there they do their dirty work. They have now come up with ATR. It spans the cells membrane and protrudes from it. The protruding part has a receptor area, which are the attachment sites for particular proteins. The area is were the protective protein latches on or so scientist believe. Scientist would like to uncover the molecular interaction that enables protective antigen heptamers to move from the cell surface to inside the cell. I think that if they have come this far then its not long before they figure that out. The only anthrax vaccine approved for humans takes a different form. It consists of toxin molecules that have been treated to prevent them from making people ill. The way the do it is to grow a weaker strand and filter the bacteria cells from the culture and treating with formaldehyde to in ...

Aztec Religion and Gods of the Ancient Mexica

Aztec Religion and Gods of the Ancient Mexica The Aztec religion was made up of a complex set of beliefs, rituals and gods that helped the Aztec/Mexica to make sense of their worlds physical reality, and the existence of life and death. The Aztecs believed in a multiple-deity universe, with different gods who reigned over different aspects of Aztec society, serving and responding to Aztec specific needs. That structure was deeply rooted in a widespread Mesoamerican tradition in which concepts of the cosmos, world, and nature were shared across most of the prehistoric societies in the southern third of North America. In general, the Aztecs perceived the world as divided into and balanced by a series of opposing states, binary oppositions such as hot and cold, dry and wet, day and night, light and dark. The role of humans was to maintain this balance by practicing appropriate ceremonies and sacrifices. The Aztec Universe The Aztecs believed that the universe was divided into three parts: the heavens above, the world in which they lived, and the underworld. The world, called Tlaltipac, was conceived as a disk located in the middle of the universe. The three levels, heaven, world, and underworld, were connected through a central axis, or axis mundi. For the Mexica, this central axis was represented on earth by the Templo Mayor, the Main Temple located at the center of the sacred precinct of Mexico- Tenochtitlan. The Multiple Diety UniverseThe Aztec Heaven and underworld were also conceived as divided into different levels, respectively thirteen and nine, and each of these was overlooked by a separate deity. Each human activity, as well as the natural elements, had their own patron deity who overlooked different aspect of human life: childbirth, commerce, agriculture, as well as the seasonal cycles, landscape features, rain, etc. The importance of connecting and controlling the cycles of nature, such as the sun and moon cycles, with human activities, resulted in the use, in the pan-Mesoamerican tradition of sophisticated calendars which were consulted by priests and specialists. Aztec Gods The prominent Aztec scholar Henry B. Nicholson classified the numerous Aztec gods in three groups: celestial and creator deities, gods of fertility, agriculture and water and deities of war and sacrifices. Click on the links to learn more of each of the main gods and goddesses. Celestial and Creator Gods Xiuhtecuhtli-Huehueteotl (Old Man, the cycle of seasons)Tezcatlipoca (Smoking Mirror, god of night and sorcery)Quetzalcoatl (the god/hero, the once and future king figure) Gods of Water, Fertility, and Agriculture Tlaloc (rain god)Chalchiutlicue (She of the Jade Skirt, childbirth)Centeotl (Maize Cob Lord, maize)Xipe Totec Lord with the Flayed Skin, fertility) Gods of War and Sacrifice Tonatiuh (Aztec sun god)Huitzilopochtli (war god, patron god of Tenochtitlan)Tlaltecuhtli (earth goddess) Sources AA.VV, 2008, La Religià ³n Mexica, Arqueologà ­a Mexicana, vol. 16, num. 91 Nicholson, Henry B., 1971, Religion in Pre-Hispanic Central Mexico, en Robert Wauchope (ed.), Handbook of Middle American Indians, University of Texas Press, Austin, Vol. 10, pp 395-446. Smith Michael, 2003, The Aztecs, Second Edition, Blackwell Publishing Van Tuerenhout Dirk R., 2005, The Aztecs. New Perspectives, ABC-CLIO Inc. Santa Barbara, CA; Denver, CO and Oxford, England.

Bottled water vs. tap water Essay Example | Topics and Well Written Essays - 750 words

Bottled water vs. tap water - Essay Example No longer a luxury item, the beverage has become a common sight worldwide.† (Owen, 2006). However, the author, Ann Pietrangelo of the text, Bottled Water vs. Tap Water: Which is really safer? raises question on how clean and hygienic is the bottled water, when compared to the tap water and gives the answer that the bottled water is not at all better than the tap water, and in some cases could be even inferior to the tap water. The text written was by Ann Pietrangelo in July 2009 and was featured under the section, Healthy reform policy in the website Care2.com, which mainly focuses on environmental and health issues. While ‘googling’ about the topic, Bottled Water vs. Tap Water, this website or webpage came as the second web entry or result, and appeared as the apt text for this topic and paper. In the initial part of the text itself, the author starts to spell out the argument that bottled water does not any safe qualities, and it is same or even inferior to the tap water. By using data from another website, FoodandWaterWatch.org, the author argues that with tap water being regulated by the Environmental Protection Agency and state and local governments, and bottled water being regulated by the Food and Drug Administration, there are clear evidences to show that bottled water is not effectively tested and so it is not better than the tap water. Author Pietrangelo first points out the basic point, which is 40 percent of bottled water originates only from the tap, with some minerals added and some extra filtration done. She provides this fact to send the message to the readers that bottled water is just another version of the tap water, without any major differences, quality wise. Then she provides some more facts, to justify that tap water is more clean and hygienic than th e bottled water, as the tap water has to conform various rules and tests under different conditions and standards. She states that tap water is not permitted to contain E. coli

Statistics Project Example | Topics and Well Written Essays - 1000 words

Statistics Project Example Therefore, financial status and depression are critical factors in determining well-being of individual hence appropriate measures to the report. The frequency histogram shows an almost normally distributed curve. However, the explicit results show a negatively skewed distribution. The frequency for males is more than that of the female gender. This shows that more males suffer from post-traumatic stress disorder as compared to male. The number of people that experience from post-traumatic disorder-from the sample-are 230. Out of the 230, 130 are males while 100 are females as per the histogram. The distribution of subjective class identification closely matches the normal curve. This shows that 68% of the observations fall within one standard deviation of the mean 2.39. On the other hand, 99.7% of the observations fall within 3 standard deviation of the mean. The normal Q-Q plots also confirms the normal distribution of the subjective class identification. The confidence interval for Posttraumatic Stress Disorder is 12.35 and 14.73 for lower bound and upper bound respectively. This means that we are 95% confident that the true mean of Posttraumatic Stress Disorder is between 12.35 and 14.74. The corresponding ÃŽ ±=0.05. When testing for normality, the normality table and the normal Q-Q plots become important as the numerical and graphical methods respectively. The normality table represents the result for Shapiro-Wilk Test and the Kolmogorov-Smirnov Test. In this case, we will use Shapiro-Wilk Test because the data is less than 2000. The sig. value (0.000) of the Shapiro-Wilk Test is less than 0.05 hence the data is not normally distributed. The data significantly deviate from a normal distribution. We have also used the Q-Q plot to determine normality graphically. The data points stray from the line in a non-linear fashion hence the data is not normally distributed. To correct the distribution of age of the respondents, I have

Mapping the Human Genome Vision :: Essays Papers

Mapping the Human Genome Vision- In the past, the discovery of human disease genes has historically been an arduous undertaking. Extensive and exhaustive studies of genetic inheritance and pedigrees in generations of families led to the discovery of the color blindness gene on the Y chromosome in the early 1990's. As more biological tools became available, the pace of gene discovery increased. However, much of the biological laboratory practices were still rooted in intensively manual procedures. With the introduction of computing power in the mid-1980's, disproportionate amount of resources were being applied to hundreds of individual gene discovery efforts, such as Huntington's Disease and muscular dystrophy. It was with this realization that a large-scale effort at mapping the human genome was undertaken and in 1990, the Human Genome Project was deemed possible and launched officially by the National Institute of Health (Pollack 1,2). Presently, computers are being used to hold the vast databases of all the sequencing information for every gene of the human DNA strand. If computers were not available, the paper needed to contain all this information would stack higher than the Washington Monument, over 555 feet high. And this would only be for the data, not the analysis of that data. Imagine the nightmare of trying to find the correct gene pair, there are over 3.2 billion of them, in all that paper. But providing a database for the sequencing information of the human genome is only one way in which computers are helping in the mapping of the human genome. They also provide the computational power needed to speed the calculations for each gene as well as producing maps and the such for genetic information on each chromosome (Smith 14). In fact, Compaq Computer Corporation built specific technology enabling completion of the Human Genome. In the future, computing power will become greater and greater allowing for faster calculations and analysis of sequencing data. Also, there will be new robotics, micro-fabrication technologies and laboratory information management systems that will have to be applied to the challenges of the Human Genome Project (Bishop, 137). Furthermore, cutting edge researchers believe the really important discoveries won't come from looking at linear strands of genes but from examining the interaction between dozens of genes at once. Scientists could in theory use "biochips," arrays of hundreds of bits of your DNA placed in a silicon wafer, to examine how how a drug would interact with your particular biochemistry (Moore, 56).

About Bangalore Essay

Bangalore is India’s third most populous city and fifth-most populous urban agglomeration. Today, as a large and growing metropolis, Bangalore is home to some of the most well-recognized colleges and research institutions in India. Numerous public sectors, heavy industries, software companies, aerospace, telecommunications, and defence organisations are located in the city. Bangalore is known as the Silicon Valley of India because of its pre-eminent position as the nation’s leading IT employer and exporter. A demographically diverse city, Bangalore is a major economic hub and the fastest growing major metropolis in India. see more:essay on bangalore The city with an eclectic spirit, Bangalore has always attracted talents from all over India and across the world. It is a city with cosmopolitan culture. Just when one steps into the city he can feel its pulse. It is a city vibrant with its jazz festivals, fashion trends and the old age craft. The city accommodates one and all, so that everyone can happily co-exist. If you are very new to this city and it is education, which primarily brought you to this place, then there are a lot many things for you to seek, to learn to imbibe. To get your minds refreshed and to start learning with a new zest, with renewed energies it is important that you visit certain places, learn about its culture and be a part of Bangalore. Not just the places, the food of Bangalore also form a key area of interest for many. South Indian food is one of the healthiest as it is mostly non-greasy, roasted and steamed. A large selection of popular food is vegetarian. Rice is cultivated extensively and it forms an integral part of people’s diet. You can have your fill at any popular restaurant or eating joints in Bangalore. If you feel homesick and are on the look out for some home food, this city would not disappoint you. It makes you feel at home, providing you with all the facilities that you might require during your stay as a student. Most importantly, the climate of the place is very conducive for your stay.

The Impact Of Status Disclosure From Hiv Positive Individuals

One of the main goals of my study is to examine the impact of status disclosure from HIV positive individuals to their sexual partners and the affects associated with the disclosure. Mary O’ Grady (2011) Mary O’Grady measured a sample of 60 individuals (30 men and 30 women) and examined the disclosure of their HIV positive statuses to their sexual partners and the ethnics’ behind the disclosure. She investigates the rights to self-preservation, privacy and confidentiality. The study found that such disclosure could result in negative impacts, including stigma and discrimination towards individuals who are HIV positive. This study was done in order to protect individual’s right to privacy, to show how prevention behaviors should be practiced more widely and how to promote public health with the goal of a decreasing the spread of HIV in the future. While examining the disclosures of these individual’s showed results, In the future I would suggest more research on the specific health guidelines that protect individuals who are HIV positive from disclosing their status. â€Å"Only by understanding why this is the case can public health practitioners, legal professionals, and others working on the response to the HIV epidemic globally have greater effect in protecting the rights of PLHIV and achieving the goals of increased positive disclosure and decreased spread of HIV.† (p.79) I also took into consideration individuals who may not know how to disclose their status to theirShow MoreRelatedRelegation Of Responsibility Essay1743 Words   |  7 PagesThe Relegation of Responsibility based upon the Introduction of New HIV-Related Technologies Undoubtedly, the way individuals act within society is a direct result of the expectation that society places upon them. 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