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DNA Gene Essays and Term Papers
Thoeries Of EvolutionEvolution is the process by which living organisms originated on earth
and have changed their forms to adapt to the changing environment. The earliest
known fossil organisms are the single-celled forms resembling modern bacteria;
they date from about 3.4 billion years ago. Evolution has resulted ...
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Albinism. The word refers to a group of inherited conditions. People with have little or no pigment in their eyes, skin, or hair. Recently a test has been developed to identify carriers of the gene for ty-neg and for other types in which the tyrosianase enzyme does not function. The test uses a sample ...
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AIDS(acquired immunodeficiency syndrome) is a disease caused by a
virus- HIV (human immunodiciency virus). The first cases in this country came to
light in the early eighties. Although the origins of remains uncertain it
is thought to have emerged decades ago in sub-Saharan Africa. There is ...
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Leprosy 2Leprosy is a chronic infectious disease of human beings that primarily affects the skin, mucous membranes and peripheral nerves. It is a disease that has existed for thousands of years, however, the formal discovery of the leprosy bacillus Mycobacterium leprae was not until 1874. Norwegian ...
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Genetics: A Short HistoryBy Dr. Rob DeSalle
At the dawn of the 20th century, when the writings of an Austrian monk named Gregor Mendel were rediscovered, genetics became a science.
Notions of heredity and inheritance were already prevalent. Having domesticated plants and animals, people realized that in many cases, ...
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Genetic Engineering -Scientists are trying to figure out the entire three billion-letter human genome with high precision as a prelude to figuring out eventually what protein each gene produces and for what purpose. It all started in 1866 when Austrian botanist and monk Gregor Mendel proposed basic laws of heredity ...
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Biology, The Five Major CompoundsCompounds That Compose the Human Body
There are five major groups of compounds that compose the human body. They are carbohydrates, lipids, proteins, nucleotides, and water. These are all very important to humans and without them we would not be able to survive. They have many functions that ...
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Skin RashesCommon Skin Problems:
There are more than a thousand conditions that may affect the skin but most skin diseases can be categorized according to nine common types.
• Rashes.
A rash is an area of red, inflamed skin or a group a individual spots. These can be caused by irritation, allergy, ...
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Cloningis the production of a group of genetically identical cells or
organisms, all descended from a single individual. The members of a clone
have precisely the same characteristics, except where mutation and
environmentally caused developmental variation have occurred. The DNA is
precisley the same ...
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Should Cloning Be Permitted?Should Human Cloning Be Permitted? For years, part of the American public, and humans in general, have been fascinated with the possibility of creating human life by other than natural means. There are many who strongly disagree with the idea of human cloning. It certainly wasn't surprising when ...
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BiotechnologyOver the past decade, has advanced much to the
advantage of many people. We have learned that with certain chemicals,
we are able to cut-and-paste the DNA of certain organisms, and alter
them to comply to our sociable needs. But this can also affect modern
medicine, political factors, economic, ...
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Hepatitis BRisk Factors for HBV Infection
Although relatively rare in the United States, is endemic in parts of Asia where hundreds of millions of individuals may be infected. HBV is transmitted horizontally by blood and blood products and sexual transmission. It is also transmitted vertically from mother ...
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Cloning 8Cloning Cloning is the production of a group of genetically identical cells or organisms, all descended from a single individual. The members of a clone have precisely the same characteristics, except where mutation and environmentally caused developmental variation have occurred. The DNA is ...
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Cloning 3Cloning humans is a threat to our society. It presents a vast number of problems that arise with each new discovery. The first is the decrease in distinct genetic make-up. Cloning also brings up many ethical points dealing with creation and psychological well being of clones. Cloning is such a new ...
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Green Fluorescent Protein PurificationGreen Fluorescent Protein Purification
Green Fluorescent Protein (GFP) is a relatively new biochemical tool with a wide range of applications in current research. The natural function of GFP is to facilitate the bioluminescence of jellyfish and other coelenterates. Aequorea GFP (from jellyfish) ...
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Potential Dangers of Human CloningHello dear friends and dear Grace. We would like to introduce ourselves first. I am idil and I am ceren. Today our topic of persuasive speaking is human cloning. First of all
Potential Dangers of Human Cloning
Some folks consider human cloning as the biggest breakthrough of the century, while ...
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Hepatitis AIn the world we live in, there are many diseases which are so
deadly to the point where there is no cure for the disease. At one's first
thought, most would think of AIDS, herpes, or maybe alshimers. However one
might not consider Hepatitis, because a vaccine has been developed for
types of the ...
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Mitosis In Cancerous CellsMitosis, the process in which a cell undergoes nuclear division, is one of the four subdivisions of the cell cycle responsible for cell growth and reproduction. The first step in mitosis is prophase. In prophase the chromatin, diffuse in interphase, condenses into chromosomes. Each chromosome ...
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Genetic EngineeringThe formal definition of genetic engineering given in the Merriam-Webster Dictionary is “the directed alteration of genetic material by intervention in genetic processes”. Stated in another way, it is a scientific alteration of the structure of genetic material in a living organism. There are many ...
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All Drugs Should Be Legal, Or How To End The Drug WarWe Americans feel so lucky because we have not had a war fought on our own soil for so long, and the last time we really did suffer due to a war was the Viet Nam war. Or was it? What about the war on drugs? Can you believe that this war has been going on for 80 years now (Lewis A15)? Wouldn’t ...
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