[pic] [pic] [pic] STRUCTURE OF DNA PROPOSED BY JAMES WATSON AND FRANCISCRICK DNA stands for deoxyribose nucleic acid. This chemical substance is present in the nucleus of all living cells . DNA controls all the chemical changes which take place in cells. The famous double helical structure was proposed by James Watson and Francis Crick in the year 1953. Nine years later both received Nobel Prize for this discovery. STRUCTURE OF DNA DNA is a very large molecule made up
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Edlin Sri Lankan culture is a rich blend of the interaction of diverse cultural patterns both indigenous and derived from‚ trade‚ religions‚ as well as‚ western colonization. The cultural patterns of Sri Lanka today show the lasting impact of a diverse range of cultures. The overall culture is largely the result of the impact of the introduction of Buddhism‚ more than 2‚300 years ago. It was very much later‚ from the early 16th century‚ that Sri Lanka came under the strong influence of the
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Marie Louis Valet 5/2/2013 Speech 07 Principles of Public Speaking The many challenges young adults face today vary greatly from peer pressure‚ to family issues and drug use or abuse. These are some of the difficult choices facing parents and young adults daily and ought to be dealt with. We often think young adults are ready to launch off into a career‚ college‚ and lively adult social scenes. When in fact today’s young adults are faced with so
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is illegal but many of us do it anyways‚ including myself. Today I will be informing you all about the possible dangers of texting and driving‚ the cost of texting and driving‚ and even the emotional after affects of texting while driving. After my speech today I want you all to think twice before you even think about texting while driving and hopefully you will all agree with me not to. Lets begin with the risks of texting while driving. There was a study by Virginia tech transportation institute
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shocked‚ flattered‚ and elated‚ all at the same time. As the excitement died down and I began to worry about my salutatory address and a myriad of ideas of what I wanted to say flooded my mind. But‚ as June rolled around and senioritis kicked in‚ my speech felt like just another last minute homework assignment I needed to complete. For inspiration‚ I searched “hashtag salutatorian” on all forms of social media: Instagram‚ Twitter‚ and even Tumblr. Unfortunately‚ these all failed to inspire me and
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THE ACCEPTANCE SPEECH An Acceptance speech is written to providean expression of gratitude for some form of award. An award is a symbol signifying approval or distinction or an honor or reward which has been given on the basis of merit‚ for excellence in a specific field. Courtesy requires that sometimes an acceptance speech is necessary in response to such an honor. Easier said than done! You will need to sound grateful but not condescending‚ modest but not retiring and humble and not arrogant
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Everybody learns moral values from different experiences of his/her life. Here is an experience‚ which was a turning point to my life. My speech was a laughable to listeners when I was in my 9th grade year. Learning how to speak in front of a crowd was a most significant moment in my life because I learned basic skills like speaking‚ facing an audience‚ and memorizing sentences. My English teacher paved the way for me to be a better speaker. It all started when she told me to speak some words about
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Hate Speech Essay In the first amendment of the United States constitution‚ American citizens are guaranteed the right to free speech. This is a fundamental right of American law‚ and one of the foundations of the U.S. Constitution. It is also the breeding ground for one of the most widely debated issues in America: What‚ if any‚ measures should be put into place to regulate hateful language? Most people will agree under one definition or another that hate speech is a socially deviant activity
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weaknesses just because yours aren’t visible. Why is it that in this day and age is it still ok to be racist? We the younger generation have the chance to stop racism and to accept everyone as equals. People like Rosa Parks‚ Martin Luther King junior‚ Gandhi and Nelson Mandela all fought for the same thing‚ equality. We the younger generation should come together and strive for equality‚ yet we have done nothing to overcome this problem. The social and racial differences are the fault lines in our
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You have been invited to give a speech to the Australian Speaking Society on the topic ‘great speeches – the secret of success.’ Write the transcript for the speech including references to at least three speeches set for study. *** Ralph Waldo Emerson‚ an American essayist‚ lecturer and poet of the mid-19th century once said: “Speech is power: speech is to persuade‚ to convert‚ to compel‚” and how correct is he even today. Speeches are an essential form of communication in our society as it has
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