Rosalind Franklin Crick and Watson‚ together with Maurice Wilkins‚ won the 1962 Nobel Prize in physiology or medicine for their 1953 determination of the structure of deoxyribonucleic acid (DNA) this was one of the most significant scientific discoveries of the 20th century. James Watson and Francis Crick discovered the molecular structure of DNA model of the structure resembled a twisted rope ladder. They proposed that the DNA molecule consisted of two spirally wound‚ helical chains. Rosalind
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Aquaporins are "the plumbing system for cells‚" said Agre. Every cell is primarily water. "But the water doesn’t just sit in the cell‚ it moves through it in a very organized way. The process occurs rapidly in tissues that have these aquaporins or water channels." For many years‚ scientists assumed that water leaked through the cell membrane‚ and some water does. "But the very rapid movement of water through some cells was not explained by this theory‚" said Agre. Aquaporins selectively conduct
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Discovery – Creative Writing Write an original narrative which deals with the idea that the best discoveries are unintended. You must include a birthday party. The lingering light was immersed by the rapidly falling night. The once salmon‚ purple sky transformed into a vast expanse of jet-black that engulfed the whole town. Yet at the corner of the street‚ the house remained unchanged. Supported only by stilts‚ its shabby character inconsistent to the grace and elegance of its neighbours. Its door
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The Discovery of the Fibonacci Sequence A man named Leonardo Pisano‚ who was known by his nickname‚ "Fibonacci"‚ and named the series after himself‚ first discovered the Fibonacci sequence around 1200 A.D. The Fibonacci sequence is a sequence in which each term is the sum of the 2 numbers preceding it. The first 10 Fibonacci numbers are: (1‚ 1‚ 2‚ 3‚ 5‚ 8‚ 13‚ 21‚ 34‚ 55‚ 89). These numbers are obviously recursive. Fibonacci was born around 1170 in Italy‚ and he died around 1240 in Italy
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The discovery of the light bulb Finally the bell rings everybody running toward homeroom I take my time and pack my books away. We just watched a video about Virginia part of the 13 colonies back then in history class. Since I was the last one to leave my teacher Mrs.Trovato said “did you enjoy watching the video?”I quietly respond yes and start wondering about how people survived back then. When I came back from school I changed my skinny jeans and blouse in to my sweats and tank top. Quickly
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intensive exploration and colonization of the world. Some of the many motives for exploration were that the Europeans wanted prestige‚ power‚ wealth‚ and to convert individuals to Christianity. Some historians often refer to this as the Age of Discovery‚ in which the Portuguese and Spaniards play a major role during this time. After an outbreak in Europe on the 14th century known as the Black Death‚ caused about 25 million people to die over a five-year period. This made Europe go through a major
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Chapter 9 HW Patterns of Inheritance Part I: Mendel and His Discoveries Answer each of the following questions and include at least one website for each question that pertains to the question. 1. Stands of aspen trees often are a series of genetically identical individuals‚ with each succeeding tree growing from the wavered shoot of another tree. Using what you’ve learned of genetics I this chapter‚ would you expect one aspen tree in a stand to
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May 7‚ 2013 St. Augustine‚ Discovery to Present Day It was April in the year 1513 that Spanish explorer Juan Ponce de Leon landed in an area between Cape Canaveral and the mouth of the St. Johns River. Over the years‚ archeologists have performed many “digs” at the Fountain of Youth‚ which is a National Archeological Park‚ where the village called Seloy was once occupied by the Timucuan Indians. This is where the city of St. Augustine began. Ponce de Leon arrived during the Easter season which
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Many of the first textile mills and other factories were built in the New England region as there were a large number of fast flowing rivers which made it easy for the transportation of goods and they also had a large population. Later‚ Samuel Slater made many other spinning mills and also other factories in the Northeast side. Thus‚ the society turned into an urban society. This concentration of industries in the Northeast side had given ways to the development of transportation such as railroads
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“let go.” Similarly‚ “In Honor of David Anderson Brooks‚ My Father” by Gwendolyn Brooks‚ the meaning of the poem is about the narrator learning to let go of the sorrow that the death of her father caused. Though both poems share similar themes‚ each speaker’s outlook on life‚ style of poetry‚ and the way in which they convey the concepts of poetry‚ strongly differ. Despite the fact that both Elizabeth Bishop and Gwendolyn Brooks won Pulitzer Prizes‚ both took life routes which were unlike each
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