DNA Packaging: Nucleosomes and Chromatin By: Anthony T. Annunziato‚ Ph.D. (Biology Department‚ Boston College) © 2008 Nature Education Citation: Annunziato‚ A. (2008) DNA packaging: Nucleosomes and chromatin. Nature Education 1(1) Each of us has enough DNA to reach from here to the sun and back‚ more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? The haploid human genome contains approximately 3 billion base pairs of DNA packaged
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Packaging Packaging is the technology of enclosing or protecting products for distribution‚ storage‚ sale‚ and use. Packaging contains‚ protects‚ preserves‚ transports‚ informs‚ and sells.[1] In many countries it is fully integrated into government‚ business‚ institutional‚ industrial‚ and personal use. a) Packaging fresh fruits and vegetables is one of the more important steps in the long and complicated journey from grower to consumer. Bags‚ crates‚ baskets‚ cartons are convenient containers for
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TIMELINE FOR HISTORY OF CHOCOLATE In 1500BC – 400 BC‚ the Olmec Indians are believed to be the first to grow cocoa beans as a domestic crop. Cacao trees have grown wild for possibly 10‚000 years. The Olmec civilization only lasted until about 300 B.C. In the 14th Century‚ cocoa became a drink that was popular for the upper class of the Aztecs; they called it “xocalati” meaning warm or bitter liquid. They were the first to tax the beans. In 1492‚ Christopher Columbus was said to have brought back
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and later reeds‚ were made into baskets to store food surpluses. Some foods could then be saved for future meals and less time was needed for seeking and gathering food. Paper may be the oldest form of what today is referred to as "flexible packaging." Sheets of treated mulberry bark were used by the Chinese to wrap foods as early as the First or Second century B.C. During the next fifteen hundred years‚ the paper-making technique was refined and transported to the Middle East‚ then Europe and
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used. They were also self-sufficient‚ so there was little need for packaging of goods‚ either for storage or transportation. When containers were needed‚ nature provided gourds‚ shells‚ and leaves. Later‚ containers were fashioned from natural materials‚ such as hollowed logs‚ woven grasses and animal organs. As ores and chemical compounds were discovered‚ metals and pottery were developed‚ leading to other packaging forms. Packaging is used for several purposes: • Contain products‚ defining the amount
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EXTERNAL INDUSTRY ANALYSIS The overall chocolate market in Canada was finding itself in a slow-growth environment with only 2% annual growth projections after 2006 and the industry as a whole had been experiencing a decline in growth. The chocolate market has two distinguished sectors – lower quality‚ more affordable mainstream chocolate and premium‚ higher cost chocolate. The lower quality sector was performing poorly‚ whereas the premium sector was experiencing growth around 20% per year‚ leading
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Chocology(Chocolate+Tecnology) By Maurice O Simmons Preface As I sat down to think about this research paper I thought about chocolate and all the things I could write about and they all seem to be the same thing. Where chocolate came from‚ and how it was made as well as how do you cook with it and even some chocolate recipes. I wanted to do something that I thought had never been done before‚ be original I hope that this is something that you haven’t seen before in a research paper.
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Why We Should Not Underestimate the Power of Chocolate Do you like chocolate? How many times do you eat chocolates in a day? Some people like to eat chocolates‚ some are even obsessed with them. Some people don’t like chocolates because those people think that they will make them fat. Some people just don’t like chocolates‚ without any clear reason. I believe that chocolate has many benefits which we can’t underestimate. Chocolate is a raw or processed food produced from the seed of the tropical
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Chocolate Table of Contents Introductions……………………………………………………………………………………………………………………page 1 Table of Contents…………………………………………………………………………………………………………….page 2 Why is chocolate the most popular sweet? …………………………………………………………………….page 3 How is dark chocolate different from milk chocolate? …………………………………………………….page 3 How are cocoa beans grown? ………………………………………………………………………………………….page 4 How was discovered? ………………………………………………………………………………………………………page 4 Conclusion ………………………………………………………………………………………………………………………
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CHOCOLATE! Just that word makes most people mouth water. It is a delectable substance that can be made into flakes that melts in your mouth‚ or into delicious candy bar with nuts and marshmallow‚ or a plain old bar of chocolate. All contributes to the mild addiction some people feel towards chocolate. Today we are going to talk about this topic because
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