Replication fork Scheme of the replication fork. a: template‚ b: leading strand‚ c: lagging strand‚ d: replication fork‚ e: primer‚ f: Okazaki fragments Many enzymes are involved in the DNA replication fork. The replication fork is a structure that forms within the nucleus during DNA replication. It is created by helicases‚ which break the hydrogen bonds holding the two DNA strands together. The resulting structure has two branching "prongs"‚ each one made up of a single strand of DNA. These two
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Introduction: When PIA came into being in 14th August‚ 1947 there was only one airline in operation called Orient Airline. After some time two more airlines Pakistan Air Limited and Cresent Airways started commercial operation. None of these small air service companies could succeed to cover the requirements of the Air Traffic of the country. Ultimately two of these failed to continue their operation. In 1952 Orient Airways was the only operational company operating on domestic routes. The
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Multinational companies (MNCs) are believed to play a major role in the economies of developing countries. Ideally MNCs have contributed substantially towards the growth of developing countries. MNC is most simply defined as a corporation or enterprise that conducts and controls productive activities in more than one country with the head office being established in a developed country. Big companies mostly from America‚ Europe and Japan but also increasingly from newly industrializing countries
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Death Penalty: Blessing or a Curse? Imagine it’s getting dark and your child still hasn’t returned from school. Everybody in the house is worried sick. All of you start calling for help and looking around the area only to find out that your thirteen year old daughter has been viciously raped and brutally murdered in an alley by her own maths teacher. How would you feel? Would you be okay with him going to a prison with a roof on his head‚ letting him eat three square meals a day and getting the
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Comparative Essay The Count of Monte Cristo and Blessing both have great‚ but difficult and exhausting themes. The theme of The Count of Monte Cristo is to be hopeful. The theme of Blessing is that changes can be a blessing. Themes are easy for people to find‚ but not easy to follow and do. They can seem impossible to do‚ but they can change the way you are and how you see certain situations. Themes take time to become a habit. The Count of Monte Cristo and Blessing’s themes are critical to learn
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Digital Technology‚ is it a curse or a blessing for the graphic designer? Are you a Graphic Designer? Do you look forward to your next trip to the Apple Store? It ’s safe to say that Digital Technology has become an obsession in the world of design. Macbook ’s‚ iPad ’s‚ digital camera ’s and printer ’s. All sounds pretty normal to us and most of the time we take our hi-tech gadgets for granted. But around 100 years ago things were very different. Digital technology hadn ’t been invented and graphic
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The 20th century witnessed utmost usable invention of computers. The invention of the wonder machine was considered a heavy leap in the history of our civilization. As technology advanced‚ so were the computers trained to program according to the needs of its users. A sensational endeavor‚ its launch gifted mankind an encyclopedia of wisdom which facilitated the re-brushing of our long forgotten hooks on history and today it stands as the epitome of fulfilling man’s never ending desires. E-commerce
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Desktop Computer or Laptop Computer Deciding on purchasing a desktop computer or a laptop computer can be a tough choice; one should consider a few guidelines. Some of these guidelines have to do with the physical aspect of the two computers‚ functioning of the computers‚ and the cost and reliability. When buying a desktop or laptop computer it is a good idea to know what you’re looking for. The physical aspect is a really important thing to look at when buying a desktop or laptop computer. Screen
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Many studies have shown a negative correlation between economic growth and natural resources‚ a finding often dubbed “the curse of natural resources.” However‚ oil and other minerals may not be the biggest curse in developing countries. In many of them‚ the amount of foreign aid is a far larger share of government revenues. In Burkina Faso‚ for example‚ aid accounted for two-thirds of the government budget and 8% of GDP over the period 1985-89. In Mauritania‚ it accounted for 60% and 22%‚ respectively
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Computer Lab or Computers in the Classroom Everyone lives in a society dependent on technology at work‚ home‚ and school‚ but students are not able to access this technology on a continuous basis. Computers are significant to education because they make us reconsider how students learn‚ how they are inspired‚ and what useful information is. Classroom with computers have become an important part of the curriculum and need to be used daily. Phasing out computer labs and putting computers right in
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