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Pharmeuceticals 时间:2013-11-13
Pharmeuceticals For the past several decades we have watched as our federal government has squandered billions of dollars in funds, and imposed a myriad of ineffective legislation to combat an unviable enemy; and all in the politically charged name of the ever-pressing war on drugs. Within the past decade or so however, a new war on drugs is being waged. Not on the crime-ridden stree
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Pheromones 时间:2013-11-13
Pheromones INTRODUCTION I still need to do this part of the paper...after completing my experiment..this will include my purpose along with any information that led me to choose this topic. ANIMALS & PHEROMONES In 1959, researchers coined the word pheromone to describe certain substances produced by the glands of animals. (The Smell Book) Pheromones are chemica
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Photosynthesis 时间:2013-11-13
Photosynthesis Photosynthesis Photosynthesis is the process by which green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose. Photosynthesis provides the basic energy source for just about all organisms. Oxygen, which is a necessity of life for just about every organism, is a byproduct of photosynthesis.
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Photosynthesis 时间:2013-11-13
Photosynthesis Photosynthesis is the process by which the energy of sunlight is absorbed and used to power the formation of organic compounds from carbon dioxide and water. Although primarily associated with green plants, photosynthesis also occurs in algae and a variety of bacteria. This process ultimately supplies the energy required by all living organisms for their continued surviv
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Photosynthesis 时间:2013-11-13
Photosynthesis Photosynthesis There are many complex but also fundamental subjects when we are on the subject of biology. One such area is photosynthesis. Photosynthesis is the method of chlorophyll-containing organisms, which convert energy from the sun into chemical energy. Photosynthesis provides the basic energy source for almost all organisms. Photosynthesis is vital to life o
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Photosynthesis 时间:2013-11-13
Photosynthesis About two hundred years ago, it was believed that many substances contained a chemical named phlogiston, which was thought to be taken out of matter by food consumption and absorbed into the air. When an animal was confined in an airtight container, it lived as long the air could absorb the phlogiston. When the phlogiston ran out, or the air could not absorb any more, the
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Phylum_Mollusca 时间:2013-11-13
Phylum Mollusca The molluscs rival the arthropods in their diversity of body forms and sizes, as well as their ecological success. The phylum also provides some of the most familiar animals, such as snails , clams , mussels , squids , and octopus (which, like the arthropods , are well known because they're good to eat). The phylum Mollusca also includes lesser known forms such as the chi
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Physical_Science 时间:2013-11-13
Physical Science Written Communication Should the legal drinking age be 21' In todays society adulthood is the age in every persons life where they are considered responsible for their actions. Responsibility is something that doesnt necessarily come with age, but according to our society age is everything. A young person sometimes waits years just to participate in something
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Chemical_and_Biological_Warfare 时间:2013-11-13
Chemical and Biological Warfare Chemical and Biological Warfare I. CHEMICAL WARFARE Chemical warfare is the use of natural or synthetic substances to disable or kill an enemy. It is also used to prevent them from using resources such as agricultural products or foliage in which to hide. Why use chemical weapons' Because of their ability to cause mass casualties or damage to an
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A_Link_To_The_Past 时间:2013-11-13
A Link To The Past Lucy is one of the most famous archaeological specimens ever found. She is a part ape, part-human fossil that was found in the Great Rift Valley on November 30, 1974. Locating human branches of primate evolution through the findings of fossils is difficult. Lucy is the first link found to support the evolution theory and is still an important piece of data today. D
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Chemical_and_Biological_Weapons 时间:2013-11-13
Chemical and Biological Weapons Chemical weapons are chemical agents of warfare taken to be chemical substances, whether gaseous, liquid, or solid, which might be harmful because of their direct toxic effect on human, animals, and plants. A chemical agent is a chemical substance, which is intended for use in military operations to kill or seriously injure people because of its physiologi
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Chemical_Communication_Among_Humans 时间:2013-11-13
Chemical Communication Among Humans As earlier stated, the subject of pheromones in human beings has been hotly debated in scientific circles for many years. Though the full significance of human pheromones is yet to be determined, most scientists agree that some chemical communication among human beings does exist. Over the past two decades, this hypothesis has gained increasing credibi
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Causes_Of_ADD. 时间:2013-11-13
Causes Of ADD. The symptoms of Attention Deficit Disorder are caused by a neurological dysfunction within the brain. Several studies using PET scans have confirmed that there is a definite difference in brain functioning between a group of individuals diagnosed with Attention Deficit Disorder and those without it. The underlying physiological mechanism which causes Attention Deficit Diso
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Chemical_Reactions 时间:2013-11-13
Chemical Reactions Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named Georg Ernst Stahl was the first to postulate on chemical reaction,
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Chemistry 时间:2013-11-13
Chemistry Interpretations and Questions Concerning this Synthesis Interpretation of IR (Infrared Spectrometry) By running an infrared spectrometry (IR) important information about the particular functional groups of a compound is obtained. This allows for the naming of an unknown compound by analyzing the different functional groups that makes up the specific compound. The regio
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Chemistry_Nursing_Research_Paper 时间:2013-11-13
Chemistry/Nursing Research Paper In the unorderly world of todays society, we find little time to look deeper at the framework that holds together the human race. We tend to leave the exploration of the human body up to the allied health professionals. Nurses among others, are dedicated to understanding and studying the biological and physiological processes that occur within our comp
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Galileo 时间:2013-11-13
Galileo It is commonly known that Galileo Galilei, aside from being a great thinker in areas of science other than astronomy, was a supporter of Copernicuss heliocentric theory of the universe. Galileo received much criticism because of his support of this theory. Criticism of his support developed into persecution of he himself, with Church authorities commanding him to renounce his
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Hemophilia 时间:2013-11-13
Hemophilia Hemophilia is a sex-linked disease in which the blood does not clot normally. People with hemophilia, called hemophiliacs, bleed excessively when injured because their blood clots extremely slowly. Normally, blood must contain a certain number of substances called clotting factors for clotting to take place. A hemophiliacs blood lacks the active form of one of these factors
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Human_Development 时间:2013-11-13
Human Development Human Human development is how humans develop and live. Human development goes from fertilization to death. This essay will start at fertilization and end with one year of age. If it were not for Human Development humans would not be here. Fertilization is when a woman is ovulating and a man releases sperm during sexual intercourse. Only one third of the eggs tha
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Laryngectomies 时间:2013-11-13
Laryngectomies Laryngectomy Introduction A laryngectomy is defined as the surgical removal of all or part of the larynx. A laryngectomy is the individual whose larynx has been removed. Removal of the larynx can cause many problems with an individual, both physical and emotional. This study covers the areas of the history of laryngectomy, function of the larynx, causes for removal o
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Plant_Report 时间:2013-11-13
Plant Report An ecosystem is made up of a community of plants and animals and the environment that supplies them with raw materials for life. It can be as big as a forest stretching across a continent and as small as a tidal pool. The three major living ecosystems focused on are the mountainous regions, hot, dry deserts, and the tropical rainforests. The conditions necessary to grow pla
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Playing_God_In_The_Garden 时间:2013-11-13
Playing God In The Garden When a new product hits the market, whether it be a childrens toy, a food item, or a piece of clothing, opinions are formed almost instantly, and quality and value is quickly recognized. Michael Pollans article, Playing God in the Garden, featured in the New York Times Magazine, October 25, 1998, describes potatoes in a new way. Burdened for years by the C
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Eel_Grass_Restoration 时间:2013-11-13
Eel Grass Restoration Grass beds in the Chesapeake Bay\'s shallow waters are known as submerged aquatic vegetation or SAV. The Chesapeake Bay has more than a dozen native species, including wild celery, common waterweed, and redhead grass. Species vary according to salinity, among other factors. The wild celery is a freshwater species, while wigeon grass tolerates very brackish water an
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Cloning 时间:2013-11-13
Cloning Bioethics, which is the study of value judgments pertaining to human conduct in the area of biology and includes those related to the practice of medicine, has been an important aspect of all areas in the scientific field (Bernstein, Maurice, M.D.). It is one of the factors that says whether or not certain scientific research can go on, and if it can, under which rules and regula
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Down_Syndrome 时间:2013-11-13
Down Syndrome Down Syndrome Have you ever been in a situation where you were confronted by a child who has Down Syndrome and were unsure of how to act around that child' I'm sure many of us have experienced the awkwardness that accompanies such a situation. Many people feel guilt or pity for these children, I believe these reactions result from a lack of knowledge about the condition
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Genetically_Engineered_Foods 时间:2013-11-13
Genetically Engineered Foods Genetically Engineered Foods In each plant and animal there are millions of genes. Inside each gene are strings of DNA. Genes determine the growth, size, and other characteristics of an organism. These genes are also by what species transfer inheritable characteristics from one generation to the next. DNA holds all the information regarding function
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Pneumonia 时间:2013-11-13
Pneumonia Pneumonia Pneumonia affects many different types of people from all walks of life around the world. It ranks as the third most frequent cause of death among children under the age of 5 worldwide. Rates of infection are three times higher in African Americans than in whites and are 5 to 10 times higher in Native American adults. Two to three million cases of pneumonia are d
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Plum_Pox 时间:2013-11-13
Plum Pox Plum Pox Virus (PPV) has not been in the United States until its introduction to peach trees in Adams County, Pennsylvania, 1999. The origin in which the disease has come from is unknown to the Pennsylvania orchard, but it was been in other countries such as France, Egypt, and Chile. The very first plum pox was found in Bulgaria in 1915 and has spread to the other countries afor
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Poison_Ivy 时间:2013-11-13
Poison Ivy Poison Ivy Poison ivy and its relatives are known and feared almost all over the world. The plant isntt deadly but it can signifigantly alter ones way of life, because of the irritant, itching sores it gives the individuals infected with the oil, that secretes from the plant. In the following paragraphs I am going to explain what poison ivy is, how dangerous the plant is
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Polio 时间:2013-11-13
Polio There is no doubt that SV40 is a human carcinogen, SV40 is definitely something you don't want in your body. The virus works in tandem with asbestos or by itself to transform healthy mesothelial cells into cancerous ones. The United States, Great Britain, France, Belgium, Italy, and New Zealand all have confirmed that with respect to the presence of SV40 in human mesothelioma.

