Science Revision Half-Yearly’s Name the lenses found in a microscope. Eyepiece or ocular lens Objective lens Recall the units used to measure microscopic objects. Micrometres Recall what happens to the field of view as the magnification used increases. As the magnification increases‚ then the amount of the specimen you can see (the field of view) gets smaller. Name two different types of: Light microscope- monocular microscope and the binocular microscope. Electron microscope- transmission
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An Essay on The No-Nonsense Guide to Science “Science is the great intellectual adventure‚ but can also be an instrument of profit‚ power‚ and privilege. Wrongly used‚ it might yet make the twenty-first century our last.” – J. Ravetz Before reading the book‚ my first impression on it was that it’s going to be too intellectual just like any other science books; that it will be focused on scientific knowledge and conclusions. But after reading the said book‚ a new view on science and its effect on
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TOK Human Sciences Essay: When compared to the natural science‚ it is difficult to consider the human science scientific. Defend or refute this statement. Introduction: There have always been debates on whether human science is considered scientific‚ especially when it is compared to natural sciences. In order to answer this question‚ I should first define the terms – science‚ natural science and human science. I define science as a systematic enterprise that organizes knowledge in testable
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enzyme‚ which leads to accumulation of glycogen stored in muscles. Glycogen build up‚ weakens the muscles of a patient suffering from this disorder. This may affect respiratory muscles resulting in respiratory failure. It is also known as the Pompe Disease. Although‚ in childhood and adolescence the symptoms show slow progress and are less severe‚ infantile forms cause death within first year‚ if not treated on time. Albinism: Albinism is a congenital disorder in which there is little or completely
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Forensic Science: Evolution and how it has helped to solve many infamous crimes Forensic science: its evolution and how it has helped to solve many infamous crimes. A murder mystery‚ an unidentified body‚ stab wounds to the chest‚ a pool of blood in a high end street in New York‚ photographers‚ police‚ investigators rush in to begin their course of work to solve the mystery of the dead body‚ to solve the puzzle‚ to tell the world the story
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Wilson’s Disease is a genetic disorder that is fatal unless detected and treated before serious illness develops from copper poisoning. Wilson’s Disease affects one in thirty thousand people world wide. The genetic defect causes excessive copper accumulation. Small amounts of copper are essential as vitamins. Copper is present in most foods‚ and most people get much more than they need. Healthy people excrete copper they don’t need‚ but Wilson’s Disease patients cannot
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April 22‚2014 Disease fact sheet What is Wilson disease? Wilson disease is a genetic disorder that prevents the body from getting rid of extra copper. A small amount of copper obtained from food is needed to stay healthy‚ but too much copper is poisonous. In Wilson disease‚ copper builds up in the liver‚ brain‚ eyes‚ and other organs. Over time‚ high copper levels can cause life-threatening organ damage. Pathophysiology and clinical features of Wilson disease Wilson disease is an autosomal
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during the Victorian Era to one of the many fatal diseases that you could have caught. This topic is about the diseases that many British people caught in the Victorian era. Some were fatal some were bearable. Some had cures as others didn’t. It was different back then because they did not have cures for things like the flu‚ now days we do. There were many of very bad diseases out there and many of them were deadly. Smallpox like many of the other diseases in the Victorian era was very much deadly. This
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Communicable Disease HCS/457- Public and Community Health Jeffrey Rhoades November 26‚ 2012 Communicable Disease Communicable disease is defined as an infectious disease transmissible (as from person to person) by direct contact with an affected individual or the individual’s discharge or by indirect means (Merriam Webster‚ m-w.com). A communicable disease can be transmitted through fluid exchange or by a vector. Hepatitis B is a known communicable disease still affecting the United States
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Lysergic Acid Diethylamide (LSD) LSD)‚ a potent hallucinogenic drug‚ also called a psychedelic‚ first synthesized from lysergic acid in Switzerland in l038. Lysergic acid is a white odorless drug‚ a component of the mold of ERGOT. Ergot is a product of the fungus Claviceps purpurea. Th e bio-active ingredients of ergot are all derivatives of lysergic acid. LSD is a semi-synthetic derivative of lysergic acid. Thus LSD is an "ergot" - like substance. The drug evokes dreamlike changes
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