... any sequence to give an infinite number of potential proteins. The correct amino acid sequence is crucial for the protein to adopt the right 3-D Shape and fulfil its function. Even single changes in the amino acid sequence can cause dramatic and often catastrophic effects on protein function (e.g. sickle cell ... out to determine whether that the protein has a role in a specific disease such as cancer. Recombinant proteins are also used to determine their 3-D shape, which helps scientists to design drugs, which will bind tightly to the protein and inhibit its function. The problem is tha...

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... together by hydrogen bonds. The tertiary structure describes the way the polypeptide chain folds into a compact globular shape. The way it folds is determined by interactions between amino acids. The shape is maintained by hydrophobic interactions, ionic, hydrogen and disulphide bonds. Proteins with a globular shape generally possess specific metabolic activity. Quaternary structure describes the way two or more polypeptide chains are held together ... ...

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... years depending on the subject's age. Another very important aspect to be considered would be the environment in which the clone would be raised. According to L. Thomas, the surroundings help shape ones personality. In order to create an identical human being, all the people around him/her would have to be cloned as well, not only that but also, the conditions ... does not only ban reproductive cloning, but also, research/therapeutic cloning. According to ******Bioworld International Germany's strict regulations on embryos as shown on the Embryo Protection Act of 1990 helped shape the n...

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... of DNA: there are three types of plasmid DNA: supercoiled, opencircular and linear. Of these three supercoiled moves the fastest. In our experiment, migration was mostly determined by size and shape. Actually the force on the molecules is due to the electric field acting on the charge of the molecule and is given by F=E*q. Obviously, the greater the charge on the ... molecule. The greater the mass of the molecule, the greater the size and therefore a greater frictional force on the molecule moving. Frictional force on the molecule also depends on the shape of the molecule in our case. S...

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... , Ph.D., discusses in his article "Designer Babies: Ethical Considerations" how some individuals compare enhancing babies to the selection process carried out by Adolph Hitler as he tried to shape Germany by eliminating those he thought were weak or had characteristic traits that he did not like. Moreover, if people begin to eliminate natural selection by picking and choosing certain ... ...

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... body. Another type of protein within the cell membrane is what are known as "carrier proteins." These allow transport of larger polarised molecules across the cell membrane by changing their shape to allow the molecule to attach itself to the protein in order to pass through the cell membrane. An example would be glucose molecules which are not able to cross ... ...

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... this point, and could be used to determine future developments in the computer field. Using all of the past discoveries and knowledge it is possible to predict technologies that will shape society in the future. The book Visions has divided the predictions into three time frames: present to the year 2020, 2020 to 2050, and 2050 to the end of the ... ...

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... out coordinated and direct movements depends on the cytoskeleton, a complex network of protein filaments that extends throughout the cytoplasm. This cytoskeleton is responsible for muscle contraction, and the changes in shape during the development of a vertebrate embryo. These diverse activities depend on three principal types of protein filaments: Actin filaments, microtubules and inter mediate filaments. Muscle fibers are huge single cells ... ...

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... who believed that there was life after death and preserved the body of their rulers through a process of mummification. This is a process of preservation that kept the original body and shape of the ruler for his/her return to earth. Although, this may seem a bit anomalous to the western man, contemporary technology brings this the idea of reincarnation or recreation to ... ...

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... came up with the final piece of the puzzle, the base pairing system of A, T, G and C. Watson realized that if A paired with T, and G paired with C, the two pairs had the same shape and would be held together nicely by hydrogen bonds. He was able to fit the bases into a double standard phosphate sugar backbone helix with phosphate sugar backbone on the outside ... ...

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... of an individual who is totally unique. The overall appearance of a page will also be affected by the colour of ink and the choice of pen or pencil used. The shape and conformity of the margins also play a part in this analysis. The straightness or otherwise of the lines of the text are important. Most graphologists prefer to see text that ... ...

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... amount of charge transferred in one current), f equals the frictional coefficient (amount of resistance), and Ze equals the molecular charge (positive or negative). Because f depends on the molecules size and shape, the equation says that the mobility of a molecule through the gel is dependent on the molecule's charge and size. Agarose gels are used to separate DNA fragments. The greater the ... ...

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... dissolved in clay could have crystallized to form layers that repeated, acting as "crystal genes" (BSCS, MP). So, clay surfaces attract organic molecules such as RNA which could have helped shape clay crystals, or even receiving information from them (BSCS, MP) In the long run, you can generally see that these "crystal genes" formations have acted as a helpful tool in storing ... ...

• Word Count: 1496
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... amount of charge transferred in one current), f equals the frictional coefficient (amount of resistance), and Ze equals the molecular charge (positive or negative). Because f depends on the molecules size and shape, the equation says that the mobility of a molecule through the gel is dependent on the molecule's charge and size. Agarose gels are used to separate DNA fragments. The greater the ... ...

• Word Count: 1595
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• Grade Level: Undergraduate

... . Despite it's positive potential, a portion of the public is nervous about the products biotech is creating and who is developing them. If constructive, however, such questions and discussions can help shape responsible deployment and use of the technology. Concerns have become increasingly contentious in the US following strong outcries by consumers in Europe. Granted, there had been several food safety scares ... ...

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... highlight presents some of the many issues surrounding genetically engineered foods, and the accompanying glossary defines the terms used3. For centuries farmers have been selectively breeding plants and animals to shape the characteristics of their crops and livestock. They have created prettier flowers, hardier vegetables, and leaner animals. Consider the success of selectively breeding corn. Wild, native corn bears only five ... ...

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... alter (improve, hopefully) the environment, and ultimately ourselves. It is likely that these new powers will be used, at some future date, to change significantly our bodies, to modify their shape, texture and function. How far in the future, I do not know. The mapping and sequencing of the human genome (and probably the genomes of plants and animals) will make this ... ...

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... other as one might assume. There are about seven different types as shown below: But in every type of print there are lots of differences; the number of lines, their shape or their size makes every figure different. Any type of organism can be identified by examination of DNA sequences unique to that species. Identifying individuals within a species is less precise ... ...

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... fully a surprise to the world. People are likely always to compare his performance in life with that of his alter ego one must also expect parental and other efforts to shape that new life after the original or at least to view the child with the original version always firmly in mind (Kass 280)." While I can appreciate Kass's concern for the ... ...

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... of the future. Stem cells can grow into enough specialized cells for entire organs in just a couple of weeks. The cells are grown on a scaffold to give them form and shape. Scientists are also discussing tissue engineered food to replace the slaughtering of farm animals. Blade Runner incorporates cloning as well as tissue engineering. Researchers do not yet have the capability ... ...

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... morphology of the virus particles is rather simple. They contain nine different structural proteins that are in the form of nucleoproteins (angelfire, 9/10/02). Each of these are in helical shape and are approximately 9nm in diameter (angelfire, 9/10/02). The three large proteins (polymerase-B2, B1 and A) are all bound to viral ribonucleoprotein. As mentioned before they are enveloped by ... ...

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... of time a proper reburial is turned over to the proper hands of the direct ancestors. My personal opinion of archaeology is that it only benefits mankind and in no way shape or form does it cause any harm. The conflicts that arise between archaeologist and people are in my opinion attention seekers and problem creators. This is not always true as ... ...

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... Ribonucleic acid (RNA). DNA contains the genetic information carried by every cell and guides the activities f the cell. Above are two strands of DNA, which are twisted into a spiral staircase shape; this is called the double helix. Nucleotides are the units from which nucleic acids are formed. There are four nucleotides made up of sugar molecules; Adenine (A), Thymine (T), Guanine (G), and Cytosine ... ...

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... genes; a human cell contains thousands of genes. The classification of viruses is based on (1) type of nucleic acid, including whether it is single stranded or double stranded, (2) viral size and shape, and (3) the presence or absence of an outer envelope. It is now believed that viruses are derived from the very cell they infect; the nucleic acid of viruses came from ... ...

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... he/she needs to voice his/her opinion; otherwise it will be left up to others. Whether or not it includes genetic engineering, we, the people, have the power to shape our own future. Even if the technology became error proof, wouldn't it rid our world of diversity and create "perfect" humans who looked and acted alike? Gregory Stock puts this ... ...

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