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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! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! BIOLOGICALLY IMPORTANT MOLECULES! REPORT ! ! ! INTRODUCTION ! In this experiment‚ we will learn about biological important molecules by performing tests to detect the presence of carbohydrates‚ proteins‚ lipids‚ and nucleic acids. Also‚ we will use biochemical tests to identify the unknown compound that react in the following biochemical tests: Benedict’s test‚ Iodine test‚ Sudan IV test‚ Biuret’s Test and the Grease-Spot
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sequencing; Highthroughput sequencing technology Canonical DNA: • • • • • Chemical structure and properties of B-DNA Enzymes that function on B-DNA DNA dissociation and reassociation kinetics of B-DNA Chromicity of B-DNA Major and minor grooves and DNA-protein interaction in gene regulation of B-DNA Non-canonical DNA: • Structure of A-DNA and Z-DNA; Comparison of A‚ B and Z-DNA; • Discovery of Z-DNA in vitro and in living cells; • Z-DNA and human genetic diseases Role of Major and Minor Grooves in Gene Regulation
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Forensic DNA Evidence DNA has become one of the most accurate tools used in law enforcement in determining guilt or innocence. DNA is different in all people it is our “genetic blueprint.” DNA is so significant to law enforcement because DNA left at a crime scene can be collected and tested to see if there is a match. It is unique because it ensures accuracy and fairness. The initial use of DNA began in Britain in 1986; the FBI used it for the first time in the United States two years
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Carbohydrates have two major functions in plants and animals: they serve as fuel and building material. Plants store most of their energy in the form of starch. Starch is a polysaccharide (consisting of several conjoined sugars). Synthesizing starch enables the plant to stockpile surplus glucose‚ and since glucose is a major cellular fuel‚ starch represents stored energy. The sugar can later be withdrawn by hydrolysis‚ which breaks the bonds between monomers. Animals‚ in turn‚ have enzymes that
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Harvard University Researchers Develop Cloaked DNA Devices for Medicine and Treatments By John Nassivera | Apr 29‚ 2014 05:20 PM EDT Researchers from Harvard University’s Wyss Institute for Biology Inspired Engineering have created a cloaked DNA nanodevice that can avoid defenses in the body’s immune system. The technology’s design was given inspiration from world viruses‚ according to Gizmag. The nanoscale device could be used for diagnosing
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Section 2 EXPERIMENT: DNA & Protein Synthesis Exercise 1 – Modeling DNA 1. List the four bases which are found in DNA. (1 pt) The four bases found in DNA are cytosine‚ adenine‚ guanine and thymine. 2. Fit any six nucleotides together to form a row‚ then list the six nucleotides in the order you used them. Work with your model pieces and try fitting the bases together to make a double strand as shown in Figure 9 of the lab manual. Which nucleotides form pairs? (2 pts)
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to that person‚ therefore it is a great resource for police to help locate people involved in a case. Families share many of the same traits in their DNA but people are unsure of whether or not they have similarities‚ In this experiment that question will be answered. There are three main fingerprint types: arches‚loops‚and whorls. (GeneEd - DNA Fingerprints 2003‚ April 12). The police take fingerprint samples from the crime scene or from involved people). Once the fingerprints are taken and
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Extraction of DNA from an Onion Molecular biologists and biochemists are involved with research in finding out as much as possible about the DNA in plants. DNA was discovered in the 1950’s‚ there still remains a lot to be known about it‚ especially how it is used to determine the physical traits that we all have‚ and how it regulates the workings of the body. deoxyribonucleic acid is a chemical‚ we can do reactions with it just like we can work with any other chemical. Experiment: Note:
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Recombinant DNA Technology Recombinant DNA technology refers to the ability to isolate specific DNA sequences and alter or manipulate them to produce desired effects. More often‚ recombinant DNA technology is referred to as biotechnology. Recombinant DNA technology is fascinating in that it has developed into a multi-billion dollar industry‚ and completely revolutionized agriculture and pharmaceutical industries‚ all within the past 50 years. According to one account‚ biotechnology was born
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