sickness but it can have serious effects to the body. What causes stress depends‚ at least in part‚ on your perception of it (smith‚ et.al.2012:3). That is‚ if you are faced with a situation and you think of it negatively‚ then it will have negative effects‚ thus‚ if you look at it positively‚ then it will turn out to have positive effects. This paper will explain the external causes of stress and internal causes of stress. Content External factors of stress Major life change is one of the external factors
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| Resistance and Electric Circuits | Lab 5 | | | The goal of the “Resistance and Electric Circuit” Lab was to determine the resistivity of a conducting wire given two known resistors. The main property of resistivity is that it represents how easily electrons can flow through a material. A Galvanometer is used to measure the current of the circuit and the Wheatstone Bridge is used to measure the resistances and determine the unknown resistance. This experiment also relates Ohm’s Law
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halochromic chemical compound that is added to a solution to determine its pH. It is a chemical detector for hydronium ions. The indicator changes colour to show the pH of the solution. Some indicates are not very precise and only tell us whether the solution is acidic or basic. When the indicator is added to the solution‚ they bind to hydrogen or hydroxide ions. The different electron configurations of the bound indicator cause the indicator ’s colour to change. Some common indicators are: universal indicator
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Evolution and Antibiotic Resistance Cara Prater South University Online Instructor Raven‚ Biology I Evolution and Antibiotic Resistance When we‚ mankind‚ get the flu or a headache or muscle aches‚ what is the first thing that we usually do? We want it gone and we want it gone as soon as possible so we reach for the antibiotics! Antibiotics have been the corner stone of hope for the sick and dying people of our society. This hope‚ however‚ has a dark lining that has more recently begun
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Temperature and pH will both effect and change the active site of an enzyme. Denaturing‚ the changing of the shape of an enzyme‚ will occur if a big enough change in temperature and pH to go away from that enzyme’s optimal conditions. Each enzyme has optimal conditions which is the best temperature and pH for that enzyme to function. When temperature and pH move away from those conditions the enzyme could slow down its rate of activity
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the years although the techniques and outcomes that followed varied drastically. Due to the changes in society over the many decades containing revolutions the nature of resisting has adapted in order to cause the largest impact on the government. The admiration of the French Revolutions of the 19th century led to more recent ones to model their resistance on what they know of the past. Everyday resistance‚ which
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underground resistance movements developed in approximately 100 ghettos in Nazi-occupied Eastern Europe (“Jewish”). The Holocaust was one of the most horrific events to ever occur in human history‚ and is most commonly known for when the mass murder of over six-million Jewish people took place. In 1939‚ thousands of Jewish families were forced to leave their homes and live in small‚ fenced-off areas known as ghettos. With miserable living conditions‚ and constant Nazi terror‚ resistance was not easy
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A buffer solution can maintains a narrow range of pH even when strong acid are added. In our experiment‚ we can see water is not a buffer‚ water can undergo very big changes when small amounts of strong acid or strong bases are added. When the strong acid‚ 100µl HCl was added into the dd water‚ the pH value changed from 7.38 to 5.83 which mean the dd water has turn into acid. The same phenomenon occurs while strong base‚ 100µl NaOH was added into the dd water. The pH value changed from 7.07 to 9
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Evolution of Antibiotic Resistance Maricia Overly Professor Ellen Doyle South University Online July 30‚ 2011 Abstract “Super Bugs” (Clemmitt‚ 2007) are beginning to take control of our health. Antibiotic resistance has enabled germs that once caused very little harm the ability to leave us in dire straights. The worst part of these “Super Bugs” (Clemmitt‚ 2007) is that people can be walking around with them infecting others without knowing it. Evolution of bugs due to the overuse of antibiotics
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them. Many Jews fought back and whether they succeeded or not- they didn’t go down without a fight. These are a few of many stories in which Jewish citizens used hope and determination to their advantage‚ to fight for their survival and through resistance‚ have an impact upon the Holocaust. In every Ghetto‚ in every deportation train‚ in every Labour Camp‚ within the Hidden Forests‚ and even in the Death Camps; the will to resist was strong‚ and took many forms. Fighting with the few weapons
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