The Molecules of Cells (Chapter 3 in your textbook) Without water and carbon-based molecules‚ no life as we know it! Carbon: The Backbone of Life • Living organisms consist mostly of carbon-based compounds Also‚ H‚ N‚ O‚ P‚ and S…… • Carbon is unparalleled in its ability to form large‚ complex‚ and diverse molecules. Why? Principal source of carbon on Earth? • Proteins‚ DNA‚ carbohydrates‚ lipids‚ and other molecules that distinguish living matter are all composed of carbon. C21H36N7O16P3S Coenzyme
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procedure for extracting DNA‚ collecting DNA samples‚ and to observe the physical characteristics of DNA Background: The wild strawberry is a diploid because it only has two sets of chromosomes. While the grocery store kind is an octoploidy because it has eight sets of chromosomes. The reason we chose the grocery store strawberry is because we’d be able to extract more DNA. Ripe strawberries make enzymes which help break down the cell walls making it easier to extract the DNA. We will be using a solution
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Homosexuality and DNA Honors Biology The human X and Y chromosomes have been completely sequenced. The X chromosome contains 153 million base pairs and harbors a total of 1168 genes. While the Y chromosome contains only 50 million base pairs and is estimated to contain about 251 genes. Educational institutions such as Baylor University‚ the Max Planck Institute‚ the Sanger Institute‚ Washington University in St. Louis‚ and others have spent countless hours and millions of research dollars
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BIOTECHNOLOGY RECOMBINANT DNA technology 1. This is a modern biotechnological advance ‚ in which a desired gene fragment can be inserted in to a cloning vector and the resulting DNA (Recombinant DNA) can be amplified in suitable host. 2. A vector can be a plasmid‚ cosmid‚bacterophage‚retroviruses‚ animal and plant viruses or artificial chromosomes like YAC‚ BAC‚or HAC.(Yeast artificial chromosome‚ bacterial........) 3. The rec. DNA produced can be amplified or cloned in a suitable vector
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of us living things is the DNA. Every now and then‚ technology has been used in every aspect in our life. But we know that technology has its advantages and disadvantages. Recently it’s now being bounded with our DNA. DNA technology according to the book is a collection of molecular biology techniques which aims at manipulating the DNA of an organism for a useful end. It involves genetic engineering‚ cloning‚ DNA testing and other techniques and process which uses the DNA‚ genes‚ chromosomes and other
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What is Nano DNA Sequencing? DNA strand is threaded through a nano-pore and its sequence is identified from fluctuations in ionic current. (9) Trick is to figure out how to slow the strands movement through the opening so the base pairs A‚T‚C ‚& G can be read. (1) Example: graduate Brown student attached DNA strand to a bead using an electric field to drive the DNA to the pore. The DNA was too large for the pore‚ so‚ the bead was stuck in the hole with the attached DNA strand suspended on
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A molecule is a group of atoms bonded together that represent the smallest unit of a chemical compound that can take part in a chemical reaction. (http://www.dictionary.com) In kitchen chemistry today‚ there are many types of food molecules such as minerals‚ vitamins‚ fiber‚ and water. But there are four molecules that people refer to as food‚ also known as the four basic food molecules‚ which can be used to produce energy which are carbohydrates‚ lipids‚ proteins‚ and alcohol which is not considered
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introns Cells are made up of molecules‚ which are made up of atoms (smallest units of matter). When atoms are joined together by hydrogen bonds they are molecules. (Hold DNA together) DNA Replication Said to be semiconservative In bacteria DNA replication proceeds simultaneously in both directions‚ away from the origin of replication. DNA is the template or genetic material of the cell‚ the info for building proteins and RNA is located in the DNA. The sequence of DNA that contains the info for
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Biochemical Prospective of DNA polymerase in Replication Biologists and chemists have long recognized a relationship among DNA‚ RNA‚ and protein‚ and this recognition has guided a vast amount of research over the past decades and generations. The pathway of DNA to RNA and RNA to protein is conserved in all forms of life and is often called the Central Dogma. DNA functions as a storage molecule‚ holding genetic information for the lifetime of a cellular organism‚ and allowing that information
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Bridgman 1 John Bridgman Ms. Rude English 102 20 January 2013 Investigative Essay Race is a highly thought out and controversial topic in today’s society. The topic of race has become immensely wide spread in the arguments pertaining to it. Race is not simply a matter of the skin color‚ hair texture and facial features seen on a particular person anymore. In two readings from the English 102 Reader‚ “Does Race Exist?” by Michael J. Bamshad and “America: The Multinational Society” by Ishmael
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