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Free research essays on topics related to: bacteria

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  • Fresh Kills Landfill Sanitary Landfill
    1,561 words
    What is the largest construction you can think of? Does a landfill come to your mind? Probably not. One of the largest buildings on the face of the earth is the Pyramid of the sun, constructed in Mexico and covers approximately thirty million cubic feet of space. Now if you think that is big just imagine an even larger structure: a landfill that occupies over seventy million cubic feet of biosphere, we are talking about the Durham Road landfill, outside San Francisco. It is a sad monument, indee...
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  • Shortness Of Breath Cigarette Smoke
    663 words
    Bronchitis is when the line the bronchial tubes become inflamed. As with the common cold, virtually everyone has had bronchitis at some time. It usually is caused by a viral infection that spreads to the bronchi. There are several types of bronchitis; the most common types are acute and chronic. Acute bronchitis is the inflammation of mucous membranes of the bronchial tubes, it usually only lasts a few days. Chronic bronchitis is when acute bronchitis lasts for months at a time and returns every...
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  • Sir Alexander Fleming Millions Of Lives Penicillin
    370 words
    Sir Alexander Fleming was born in Lochfield, Scotland on August 6 th, 1881. He attended St. Marys Medical School in London. It was in St. Marys, where Sir Alexander Fleming began his research. Early in his medical life, Fleming became interested in the natural bacterial action of the blood and in antiseptics. He then served in World War I as the captain of the Medical Corps, as he continued his studies and started to work on antibacterial substances which would not be toxic to animal tissues. In...
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  • Genetically Engineered Foods Genetically Modified
    743 words
    ter> GENETICALLY ENGINEERED FOODS- RISK TO HUMANITY Giant transnational companies are carrying out a dangerous global experiment by introducing large numbers of genetically engineered foods into our diet. Genetic manipulations can result in unanticipated harmful effects, and because genetically engineered foods are not tested sufficiently, this experiment not only jeopardizes the health of individuals, but could also lead to global food shortages and extensive ecological hazards. Due t...
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  • Disease Causing Entire Body
    448 words
    ter> The nature of DISEASE CAUSING ORGANISMS and the mechanisms employed by man to combat these organisms. What is disease? A disease is a disturbance in the normal structure or function of an organism, group of organisms or the entire body. Diseases affect different organisms in different ways, they may be temporary, they may be chronic, or they may be terminal. They may even be localized or widespread through an entire body. Many diseases have been eradicated, but, some have no cure....
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  • U S News Amp World Amp World Report
    970 words
    At one time, golden rice was just a wild idea that Ingo Potrykus thought up. Optimally, golden rice would improve the lives of millions of the poorest people in the world. The rice would contain beta-carotene which is the building block for vitamin A. However, imagining golden rice was one thing and bringing it into existence was another. He struggled for years with his colleagues to deal with the finicky growing habits of the rice they transplanted to a greenhouse near the foot hills of the Swi...
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  • Biological Warfare Agents Chemical And Biological
    542 words
    Biological warfare agents are a unique type of weapons that is actually a living organism. Fungi, bacteria, viruses, and other macromolecules, which are capable of killing, are considered agents of biological war. When comparing equivalent amounts of biological and chemical warfare agents, the biological agent is far more potent. They are particularly dangerous since they can reproduce overtime causing the situation to become more deadly with time. In fact, is estimated that 1 gram of toxin coul...
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  • England Journal Young Girls
    660 words
    I discovered that mitochondria evolved from the chloroplast (Audersirk p. 369). The endosymbotic hypothesis championed most force full by Lynn Margulis of the University of Massachusetts, propose that cells acquired the precursors of mitochondria and chloroplast by engulfing certain types of bacteria. This happens by the aerobe bacteria that absorbs those molecules and used energy oxygen to complete their metabolism. By gaining a high range of energy, using large food resources, great amount of ...
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  • Hydrothermal Vents Ocean Floor
    1,069 words
    Some 7, 500 feet below the oceans surface lies a intriguing and bizarre world unlike any other. Large black volcanoes tower above the ocean floor spouting out poisonous black gas into freezing cold waters and blind crabs roam endlessly in pitch darkness. These intolerable conditions could only mean one thing, hydrothermal vents. These mystical giants of the deep have stumped some of the worlds greatest scientists who have only recently discovered that they may hold the potential key to some of t...
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  • Vaccinate Your Child Strain Polio Children
    978 words
    Choose Better Health Parents today are to quick to run to the doctor looking for some kind of drug to give their kid every time they are ill. When you have a newborn child you are told that the child must be vaccinated to live a normal healthy childhood, but this statement is not true because there are natural ways to treat colds and other flu s by letting your body do the work. Your body is a self-regulating, self-healing organism if you re nervous system is allowed to function drug free. Today...
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  • Multi Cellular Organism Creator Had Designed Evolution
    469 words
    Creation and Evolution are two contradictory theories which explain the presence of ecosphere. Most religions support the concept of creation, while many scientists support the idea of evolution. This issue is often regarded as the battle between science and religion. Creation revolves around a supreme power; a creator; often referred to as a God. This creator is believed to be the entity, which is responsible for us, and everything around us. When simply looking at this theory, it claims that t...
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  • Tons Per Acre Fresh Market Cucumbers Cucumber
    1,230 words
    Abstract This paper will Cucumbers Cucumbers Abstract This paper will focus on cucumbers. It will discuss their relationship to other plants, the region of its origin and the plant part used by humans. The way cucumbers are harvested and the value of the harvest will also be touched on. Diseases and insects that threaten cucumbers will briefly be discussed. Introduction From the times of the bible through Henry VIII reign and into the modern era, cucumbers have survived through the ages. Cucumbe...
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  • Plants And Animals Microscopic Organisms
    501 words
    The kingdom of Fungi contains single-celled and multicellular organisms that absorb nutrients for food. Fungi, together with bacteria decay and decompose organic matter. Some fungi can be parasitic and cause serious diseases in plants and animals. Though considered an individual kingdom today, traditionally fungi were classified as plants with no stems, leaves, or chlorophyll. About 100, 000 species of fungi are known. Most fungi are made of protoplasm-containing tubes called hyphae, sometimes d...
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  • Folic Acid Quit Smoking
    666 words
    Having a healthy baby starts way before you are ready to get pregnant. Any women in baby producing years, around twenty to thirty, should be taking care of themselves now. Whether they plan on having a child or might in the future. If they are sexually active and in this age range, then there is the possibility of getting pregnant. Even women on birth control should be following precautions. What does that mean? Every women should be taking some kind of multivitamin with folic acid. It not only ...
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  • Genetically Engineered Consumer Protection
    723 words
    Nats Herbicide-Tolerant Crops Patrick Donate Nats 104 3 - 9 - 00 Herbicide-Tolerant Crops Crop management is a vigorous activity that changes as technologies are developed. Now that were in the new millennium, we are finding new and enhanced ways to improve things that effect us in our everyday lives like, industrial pollution, car pollution, waste management, and also the advancement in herbicide-tolerant crops. Much advancement have been taking place to make our crops better and safer to eat w...
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  • Fly Five Days Flies
    596 words
    Buzzzzzz! Buzzzzz! There they go buzzing away. Those pest that bother you all day. You know whom I? m talking about, that? s right flies. They buzz around you going into your ears and nose. Landing on your food and everywhere else. Some flies are favorable to humans, as parasites of bug pests or as scavengers and many others are important as plant pollinators. Flies are also understood to be carriers of diseases like cholera, typhoid, and dysentery. In most breeds of flies their body has padded ...
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  • Billion Years Ago 5 Billion
    503 words
    How Changes In The Atmosphere, Eukarotes, And How Changes In The Atmosphere, Eukarotes, And Multicellularity Have Occured And Influenced Life On Earth About 2. 5 billion years ago, oxygen began slowly to accumulate in the atmosphere, as a result of the photosynthetic activity of the cyanobacteria. Those prokaryotes that were able to use oxygen in ATP production gained a strong advantage, and so they began to prosper and increase. Some of these cells may have evolved into modern forms of aerobic ...
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  • Results In Reduced Phosphates And Nitrates Middot
    460 words
    1. Organic effluent from discharge of sewage works and farms. Main pollutants are a. Nitrates often a limiting factor, vital for plant growth. Highly soluble and leached from the soil. Sources sewage / manure / inorganic fertiliser. b. Phosphates Often limit plant growth. Fairly insoluble. Main source detergents in sewage. Eutrophication Phosphates and nitrates are often limiting so cause increased growth of water plants such as algae. Once nutrients are used up and light becomes limiting due to...
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  • Stainless Steel Defense System
    1,166 words
    Whats Metal Allergies On Gold Whats so special about this gold stuff, anyway? I mean, its expensive because its rare but why do we use it in jewellery? Gold has a couple of fairly unique properties that have made it attractive to jewellers throughout history. Prime among these is its resistance to corrosion. The only chemical that can dissolve or even tarnish pure gold is royal water, a mixture so fiendish few of us are ever likely to encounter it and those who do will have other things to worry...
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  • Plants And Animals Forest Floor
    648 words
    As you walk Mushrooms Mushrooms As you walk through a forest or even your backyard you may take a glance towards the ground and see a mushroom. Have you ever wondered what may be causing it to grow? What it is made of etc. ? Different mushrooms are made of different things, and different forms of growth allow their quickness abilities in growth. So what is a mushroom? A mushroom is the fruit of the mushroom plant, like the apple of an apple tree. The body of the mushroom in called mycelium and i...
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