When Watson and Crick discovered the structure of DNA they wanted to use the information to help them identify how DNA is replicated. Three different theories of replication were proposed by Watson and Crick. The semi-conservative model‚ where the DNA strand splits into two halves‚ which will then create a new DNA strand consisting of the old original half and a new half. The conservative model where the whole of the original DNA strand acts as a template and is replicated to make a completely new
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The Metal Casting or just Casting process may be divided into two groups: Hot Forming Process Examples are Centrifugal casting‚ Extrusion‚ Forging‚ Full mold casting‚ Investment casting‚ Permanent or Gravity Die casting‚ Plaster mold casting‚ Sand Casting‚ Shell Mold casting. The method to be used depends upon the nature of the products to be cast. Cold Forming Process Examples are Squeeze casting‚ Pressure die casting‚ Gravity die casting‚ Burnishing‚ Coining‚ Cold forging‚ Hubbing‚ Impact
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Marriage (also called matrimony or wedlock) is a socially or ritually recognized union or legal contract between spouses that establishes rights and obligations between them‚ between them and their children‚ and between them and their in-laws.[1] The definition of marriage varies according to different cultures‚ but it is principally an institution in which interpersonal relationships‚ usually intimate and sexual‚ are acknowledged. In some cultures‚ marriage is recommended or considered to be compulsory
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the crashes involving semis and another four-wheeled vehicle‚ the other driver was at fault according to information provided by the American Trucking Association. If you are often the other driver‚ you likely want to understand what you can do to avoid a collision with a semi. Avoid cutting off a semi driver. When passing a semi-truck‚ make sure you are far enough ahead of the truck that you can at least see the semi’s headlights before you reenter the same lane as the semi-truck. When possible
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Semi-structured Interviews The semi-structured interview is where an interviewer attempts to elicit information from a participant through asking questions (Smith‚ 1995). Semi-structured interviews offer participants the chance to explore issues they feel are important (Longhurst‚ 2003). In a semi-structured interview‚ the interviewer uses an interview guide and can make changes to this guide‚ depending on how the interview is progressing and developing (Becker et al.‚ 2012). Semi-structured interviews
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Semi formal wear is a fairly vague term used to describe wardrobe etiquette that lies somewhere between formal and cocktail dress. Semi formal wear should be dressier and‚ in many cases‚ more conservative than cocktail attire‚ which tends to imply nighttime wear with some sex appeal. Semi formal wear is appropriate for a variety of special events‚ and variations depend on the season‚ time of day and nature of the occasion. Semi Formal Occasions A wide variety of occasions will
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when sharing the road with semi trucks. While you can mitigate this danger by increasing your following distance behind these big rigs‚ passing one on a multilane road forces you to drive within a few feet of it. Likewise‚ only a few feet separate you from oncoming trucks on a two lane road. Because you can’t entirely avoid these situations‚ you have to trust that the truck doesn’t lose control or otherwise harm you. While there are many types of trucking accidents‚ a semi truck tire blowout happens
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The semi-presidential system (referred to as Semi-presidentialism) is a system of government in which a president and a prime minister are both active participants in the day-to-day administration of the state. It differs from a parliamentary republic in that it has a popularly elected head of state who is more than a purely ceremonial figurehead‚ and from the presidential system in that the cabinet‚ although named by the president‚ is responsible to the legislature‚ which may force the cabinet to
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Hippos are also very well evolved for a semi-aquatic environment. The hippo has large‚ razor sharp canine teeth perfect for fighting. The canines of the upper and lower jaw grind together sharpening each other. When hippos fight using such sharp teeth‚ having thick‚ protective skin is very important. The skin of the hippo can be up to two inches thick. However‚ even with thick skin‚ hippos still get torn up in a fight. Normally having an open wound in an aquatic environment would lead to infection
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be all too aware of the consequence to their identity. (Phoenix 2007‚ p51) The second method to be discussed is the Semi Structured Interview developed by James Marcia in 1966 in order to provide a method of measuring the ideas of crisis in the development of Ego identity in adolescence put forward by Erik Erikson. (Phoenix 2007‚ p55) The Semi Structured Interview is designed to gather data on a specific theme whilst allowing flexibility in how the questions are asked‚ to
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