Contrast essay Example | Topics and Well Written Essays - 750 words

Contrast - Essay Example The method of giving solution to problems was the same in math and physics. The two had the same way of presenting answers. To be specific, both classes had utilized various formulas to explain phenomena and outcomes. In the mathematics class, numbers and variables were utilized to answer mathematical problems. For example, algebraic expressions were used by the teacher to describe a relationship which varies over time (â€Å"What†). In physics, numbers and variables were also employed in explaining a scientific problem. For instance, in determining the amount of force exerted in an activity, Newton’s law of motion was applied by the instructor. In the classroom, the teacher always associated the formulas used in actual setting. The application of the formulas in real life was emphasized. Even in small dealings, the professors would find a way to relate it to the topic whether in math or physics class. For instance, my math teacher had chosen a classmate of mine who was a businesswoman to illustrate the importance of addition and subtraction. In contrast with the mentioned similarities, the two classes essentially differed in the practical application of its topics. In the physics class, actual experiments were conducted to personally experience the truthfulness of the formulas. To test the students, the teacher included practical exams wherein students were tested if they really know how to perform the experiment and how well they understand the lesson. In another case, a student was called to explain and demonstrate a topic in front of the class. It was some sort of an oral exam. However, in the mathematics class, there was no actual experiment. It was just all about trial and error in a piece of paper. The professor never entertained the idea of calling students to answer a mathematical problem on the board. He never conducted an oral exam. What the

Diversity and Multiculturalism Meaning Assignment

Diversity and Multiculturalism Meaning - Assignment Example sity has been defined â€Å"as acknowledging, understanding, accepting, valuing, and celebrating differences among people with respect to age, class, ethnicity, gender, physical and mental ability, race, sexual orientation, spiritual practice, and public assistance status† (Esty, et al., 1995). Diversity can be defined in many other ways too. Diversity is recognizing and appreciating the various characteristics, some of them have already been mentioned above, that make an individual unique. Diversity helps in promoting individual as well as collective achievement. Diversity believes in providing equal opportunities to all irrespective of race or religion. The concept of diversity is being increasingly used by business managers to deal with the issues that have cropped with the increased presence of minorities and women in the workplace. "Managing diversity† has become a critical part of the management of an organization. Diversity has to be successfully managed or else i t can lead to an increase in employee turnover, absenteeism, disruption in work, harassment and what is more important a low morale. All this in turn will further lead to low productivity. Today it has become necessary to have a diverse workforce as it adds value to an organization. Diversity in a workplace means recognizing and respecting individual differences that may arise in the workplace. This will benefit the organization and lead to more productivity and also give a competitive edge to the organization. Good diversity management means creating a fair environment for the employees. Today many definitions and terms can be used to describe multiculturalism. One definition is that multiculturalism is â€Å"the doctrine that several different cultures (rather than one national culture) can co-exist peacefully and equitably in a single country† and "by making the broadest range of human differences acceptable to the largest number of people, multiculturalism seeks to overcome racism, sexism,

Stereotypes and Prejudice Essay Example for Free

Stereotypes and Prejudice Essay Please complete the following exercises, remembering that you are in an academic setting and should remain unbiased, considerate, and professional when completing this worksheet. Part I Select three of the identity categories below and name or describe at least 3 related stereotypes for each: †¢ Race †¢ Ethnicity †¢ Religion †¢ Gender †¢ Sexual orientation †¢ Age †¢ Disability. |Category |Stereotype 1 |Stereotype 2 |Stereotype 3 | |Race |Africans are all criminals |White men are all abusers |Mexicans are all gang related | |Gender |Men are more powerful |Women should not be treated equal |Men are better workers | | | |as men | | |Ethnicity |Africans are better in sports |Asians are smarter |Mexican are better and cheaper | | | | |workers | Part II Answer each question in 50 to 100 words related to those stereotypes. Provide citations for all the sources you use. What are the positive aspects of stereotypes, if any? I don’t think there are any positive aspects to sterotypes. If anything they make people act a little more careful around people they don’t know. I think that might be the only positive thing that can come out of it. Everything else can sometimes be very hurtful to other people. What are the negative aspects of stereotypes? Part III Answer each question in 50 to 150 words related to those stereotypes. Provide citations for all the sources you use. Define stereotypes and prejudice. What is the difference between stereotyping and prejudice? Use examples to illustrate the differences. What is the relationship between stereotyping and prejudice? What can be done to prevent prejudice from occurring?

Importance of Natural Product Synthesis

Importance of Natural Product Synthesis History of medicine dates back practically to the existence of human civilization. Historically, the majority of new drugs have been generated from natural products and from compounds derived from natural products. Natural products, including plants, animals and minerals have always been a source of therapeutic agents for many years. Natural products sometimes exhibit pharmacological or biological property that can be of therapeutic benefit in treating diseases. As such, natural products are the active components not only of most  traditional medicines  but also of many newer medications. Furthermore, synthetic analogs of natural products with improved potency and safety can be prepared and therefore natural products are often used as Lead Copmpounds for  drug discovery. In fact, natural products are the inspiration for approximately one half of U.S. Food and Drug Administration-approved drugs. The birth of the natural product synthesis dates back to 1828 when Friedrich Wà ¶hler synthesized urea, a naturally occurring substance from ammonium cyanate. This event as trivial as it may seem by today’s standards not only gave birth to a boundless science called organic synthesis but also contributed to a demystification of mother Nature by burying the fact that synthesis of nature’s molecules is her exclusive domain. The second major achievement in the field of organic synthesis is the synthesis of acetic acid from elemental carbon by Kolbe3 in 1845. It is historically significant because Kolbe coined the word Synthesis for the first time to describe the process of assembling a chemical compound from other substances. The total synthesis of naturally occurring pigments alizarin in 1869 by Graebe and Liebermann and indigo in 1878 by Baeyer represent landmark accomplishments in the field. Probably, after urea, the most spectacular total synthesis of the nineteenth c entury was that of Emil Fischer’s (†¡)-glucose not only for the complexity of the target but also for the considerable stereochemical control that accompanied it. Figure 1: Although the precedent was set in the nineteenth century, it was only in the twentieth century the field of total synthesis started to flourish when Robert Burns Woodward synthesized Quinine. This event ushered in the modern era of total synthesis and Woodward who received the 1965 Nobel Prize for Chemistry for several brilliant examples of total synthesis such as his 1954 synthesis of strychnine, cholesterol5 is regarded as the father of modern organic synthesis. Figure 2: Today the art of organic synthesis has improved to astoundingly high levels of sophistication. Through its practice, chemists are able to synthesize organic molecules of all types of structural motifs and for all intents and purposes. Some modern classical examples of total synthesis include the synthesis of prostaglandin PG2ÃŽ ± and Ginkgolide by E. J Corey, Ingenol by Wood, Brevetoxin by Nicolaou, Vancomycin by Evans, Taxol by Holton6, Nicolaou7, Wender and Danishefsky8 groups independently. The discipline of natural product synthesis today, is an important field of investigation whose dividends stretch from new scientific knowledge to practical applications. Considered by many as the flagship of organic synthesis, natural product synthesis symbolizes the power of chemical synthesis at any given time and defines its scope and limitations. It also serves to improve chemical synthesis by attempting to push its frontiers into higher molecular complexity, diversity, and efficiency. they can synthesize not only the molecules of nature and their analogues, but also myriad other organic molecules for potential applications in many areas of science, technology and everyday life Introduction to THF-containing natural products Tetrahydrofuran (THF)-containing natural products widely occur in several important families of biologically active compounds, such as the annonaceous acetogenins [1] and polyether antibiotics isolated from Streptomyces organisms (ionomycin, lonomycins A–C, or monensin) [2]. It’s worthwhile at this juncture to discuss few THF ring containing natural products such as which have been of paramount importance to the mankind and also to the researchers who have been actively involved in the synthesis and isolation of these natural products. Acetogenins Acetogenins abbreviated as AAGs are a group of THF-Containing natural products isolated from Annonacae species which are vastly distributed in tropical and subtropical regions. They exhibit different biological activities such as antitumor, ant-imalarial, anti microbial, anti protozoal, pesticidal activities2. The common structural features of acetogenins include several free hydroxy groups with various stereo centers, differently located oxygenated functional groups and tetrahydrofuran (THF) ring(s) along the long hydrocarbon chain with an ÃŽ ±, ÃŽ ²-unsaturated ÃŽ ´-lactone moiety at the end. Uvaricin, a bis THF acetogenin was the first of the AAGs isolated from Uvaria acuminata in 1982. It exhibited potent anti-cancer activity by inhibiting NADH cells in the mitochondrion. The total synthesis of Hexepi-Uvaricin was published by Hoye in 1994 and subsequently first total synthesis was achieved by Keinan in 1998. Montanacin D is a non classical acetogenin isolated from the ethanolic extract of the leaves of Annona Montana16 by Qin group in 1999, possessing a 4,8-cis THP ring along with a 16,19-trans THF ring. Ionomycin Amphidinolides Amphidinolides constitute a series of unique cytotoxic polyketide macrolides obtained from marine symbiotic dinoflagellates of the genus Amphidinium, which are symbionts of Okinawan marine flatworms Amphiscolops spp.1 They exhibit potent cytotoxic activity against murine lymphoma L1210 cells and human epidermoid carcinoma KB cells. Given below are some important Amphidinolides that incorporate a THF-ring in their structure Pectenotoxins Pectenotoxin (PTX)-group toxins are a group of polyether macrolide compounds found in microalgae and bivalve molluscs of Australia, Japan, New Zealand and some parts of Europe. Their presence in shellfish was discovered due to their high acute toxicity in the mouse bioassay after intraperitoneal (i.p.) injections of lipophilic extracts of shellfish. Pectinotoxins are exclusively produced by Dinophysis species. In shellfish they are always accompanied by closely related okadaic acid (OA)-group toxins. The common structural features of (PTX)-group toxins include a spiroketal group, three THF-rings, a bicyclic ketal and a six-membered cyclic hemiketal (Allingham et al., 2007). PTX2 is beleived to be the main precursor, from which many PTX-group toxins are derived through biotransformation during metabolism in the gut of bivalves. It is suggested that an oxidation of PTX2 occurs, leading to the formation of other PTX-group toxins, including PTX1, PTX3, and PTX6 PTX-group toxins have been shown to cause cell cycle arrest, cell death and apoptosis. The wide range (10-9 and 10-6 M) of effective concentrations of PTX-group toxins as well as the apparent resistance of some cell lines to the cytotoxic effect of PTX-group toxins indicate the existence of cell-specific factors affecting the sensitivity of biological systems to this group of natural compounds. Studies have confirmed that PTX2 induces apoptosis in several cell lines through multiple mechanisms, involving the perturbation of the cell cycle machinery, inhibition of mitotic separation and cytokinesis through the depolymerization of actin filaments. Oscillariolide and Phormidolide Oscillariolide is a halogenated macrolide isolated from a marine blue-green alga Oscillatoria sp. from Gokashowan-Bay, Mie Prefecture. It exhibits significant cytotoxic activity in the echinoderm egg assay. Phormidolide, a closely related macrolide was isolated from the extract of a laboratory culture of an Indonesian isolate of the cyanobacterium Phormidium sp. It displayed cytotoxicity towards drine shrimp with a LC50 of 1.5  µM. The characteristic features of both oscillariolide and phormidolide include a trisubstituted bridged THF macrolactone with a long polyhydroxy chain containing a unique terminal bromo diene. Structural elucidation revealed that the polyhydroxy side as well as THF ring of both compounds have same stereochemistry Chagosensine Chagosensine is a sixteen-membered chlorinated macrolide isolated from the methanolic chloroform extract of a bright yellow sponge Leucetta chagosensis usually found in the coral reefs of Red Sea, Aqaba Gulf (Israel). the extract of the Leucetta sp. sponge exhibited potent ability to inhibit the epidermal growth factor receptor signaling pathway. A new mechanism for the action of naamidine A and inhibition of tumor cells was shown.

Global Warming Essay -- Greenhouse Effect Climate Change

Global Warming This essay has problems with format. Global Warming is a result of the greenhouse effect. The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car.  ³The glass ² lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane which comes mainly from animal manure. Other gases like nitrogen oxide and man made gases called chloroflurocarbons get caught in the atmosphere as well. The decay of animals and respiration are two main but natural sources of carbon dioxide. In my opinion we people of the whole world should try and slow down the emmission of greenhouse gases and/or find ways to balance the gases so the climate doesn't change so rapidly. If it did we would be forced to adap t to the new climate that we brought upon our selves. If we had a international cooperation to put a damper on the production of chloroflurocarbons and slowed down the use of fossil fuels it would dramatically slow down the process of "global warming." Over the last 100 years the global temperatures have been increasing slowly but steadily. Since 1980 the temperature has risen 0.2 degrees C (0.4 degrees F ) each decade. Scientists predict that if we continue putting the same amount of gas into the atmosphere by the year 2030 the temperature will be rising as much as 0.5 degrees C (0.9 degrees F ) or more per decade. Over all the global temperature could rise anywhere from 5 to 9 degrees over the next ... ...mosphere. Every country will contribute by donating money. Each country would be required to give 0.01 of their GNP to this committee. If they refuse they will be boycotted and nothing will be sold to them by the participating countries. Global warming is a big threat to our nation and the world. If we do not act now, it may be too late. Of course, there is no sure way of telling if there actually is a greenhouse effect, but let ¹s not take any chances. Look at what is happening to this world, and you will see that there is a pollution problem. There are steps being taken at this moment to reduce the gases put into the air but it still isn't enough. We need to cut back more by taking a few easy steps. Plant a tree, or take a bus to work instead of driving your own car. Those things may not seem like a lot, but if more and more people do it, it will make a difference.

A Defense Of Individualism Based On Foydor Dostoevskys Novel:notes F E

Fyodor Dostoevsky's novel, NOTES FROM THE UNDERGROUND, has held many labels, such as being a case history of nuerosis or a specimen of modern tragedy. The most popular label it has obtained however, is being the author's defense of individualism. The novel is writen as a performance, part triad, part memoir, by a nameless personage who claims to be writing for hiomself but consistently maipulates the reader--of whom he is morbidly aware-- to the point where there seems to be no judgement the reader can make which has not already been made by the writer himself. The underground man is represenative as a product of individaul pathology or a biographical accident. He is "one of the characters of our recent past," part of a generation that is living out its days among us. Internal eveidence makes it clear that his generation is of the 1840s. He shows the fate of the isolated petty clerk and Dostoevkian dreamer twenty years after, surveying his wasted life in the new spiritual climate of the 1860s and at the same time finding justification for his own grotesque being in the simplistic views of the human nature now current. IN the first part of the novel, the underground man describes himself and his views, and attempts, as it were, to clarify the reasons why he appeared and is bound in our midst. The mention of his self and his views raise thequestion of how the two are related. Are we to understand his views as the product of his wasted life or independently? There...

Education system Essay

Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment Nowadays almost every country is concerned about developing education system as it can lead to economic growth and individual prosperity. However, substantial amounts of money spent on education not always affect country successfully. Therefore the negative side like unemployment is important to consider. The key problem for many young people is that after graduation they have no possibility to find a job. Furthermore, if only high cost qualification opens doors to better job, families from poorer backgrounds can hardly improve their lives. Otherwise qualification can be powerful instrument for reducing poverty and inequality. In that case, the country must promote opportunities for people from all backgrounds. There are some places in the world, where not everyone has an opportunity to receive formal type of education. In fact, children have to help their parents in factories or do farm work. In other words, some young people can not choose learning even if they want it. It is clearly seen that nations with high standard of living always provide great circumstances to attain desirable education. It seems like the only way for poorer countries to improve their process of economic growth is to pay a lot of attention to development of education system. Moreover, they must be interested in every citizen. The authorities should be interested in every citizen ensuring equal opportunities to gain knowledge. In conclusion, learning and knowledge is a big investment in the future provided that other aspects of life are considered. National well-being is closely linked to education attainment