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Free research papers and essays on topics related to: polymerase chain reaction pcr

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  • Blood Is A Fluid Substance That Circulates In The Arteries And Veins Of The Body Blood Is Bright Red Or Scarlet When It Has B - 1,393 words
    Blood is a fluid substance that circulates in the arteries and veins of the body. Blood is bright red or scarlet when it has been oxygenated in the lungs and passes into the arteries; it becomes bluish red when it has given up its oxygen to nourish the tissues of the body and is returning to the lungs through the veins and the tiny vessels called capillaries. In the lungs, the blood gives up the carbon dioxide wastes it has taken from the tissues, receives a new supply of oxygen, and begins a new cycle. This movement of blood is brought about by the coordinate activity of the heart, lungs, and blood vessels. Blood is composed of a yellowish fluid, called plasma, in which are suspended the mi ...
    Related: blood, blood cells, blood transfusion, blood type, body weight, bright, fluid
  • Breast Cancer - 1,598 words
    Breast Cancer Hereditary breast cancer is a disease caused by mutations on breast cancer suppresser genes (ACCV Pg.17). Mutations allow normal cells to divide abnormally (ACCV Pg.13). Resulting cells divide faster as they do not specialize and form useless lumps of cells called malignant tumours (ACCV Pg.13). Genetic Screening is the process where Deoxyribonucleic Acid (DNA) fragments are analyzed for a specific gene. The purpose is to identify individuals carrying disease causing genes so they can change their life style and also help invent a cure (ACCV Pg.20). This is done by amplifying DNA withdrawn from an individual, then specific gene mutations are targeted using the Electrophoresis p ...
    Related: breast, breast cancer, cancer, fact sheet, clinical practice
  • Has Gallo Proven The Role Of Hiv In Aids - 2,802 words
    ... al features similar to retroviruses does not constitute sufficient proof that they are retroviruses, that they are infectious particles, even if they are found to band at 1.16 gm/ml.(18) In 1976 Gallo himself pointed out that in human leukemic tissue virus-like particles morphologically and biochemically resembling type-C virus but apparently lacking the ability to replicate, have been frequently observed.(28) Particles with the morphological characteristics of retroviruses were reported in milk, cultures of embryonic tissues and in the majority, if not all, human placentas.(29,30,31) However, they were considered to be an intriguing and important problem that remains to be solved.(32) E ...
    Related: aids, aids research, gallo, polymerase chain reaction, acquired immune deficiency
  • Huntingtons Disease - 1,066 words
    Huntingtons Disease Huntington's Background Huntington's disease is inherited as an autosomal dominant disease that gives rise to progressive, elective (localized) neural cell death associated with choreic movements (uncontrollable movements of the arms, legs, and face) and dementia. It is one of the more common inherited brain disorders. About 25,000 Americans have it and another 60,000 or so will carry the defective gene and will develop the disorder as they age. Physical deterioration occurs over a period of 10 to 20 years, usually beginning in a person's 30's or 40's. The gene is dominant and thus does not skip generations. Having the gene means a 92 percent chance of getting the disease ...
    Related: huntington's disease, temporal lobe, hopkins university, genetic testing, minute
  • Support For A Dna Data Bank - 1,476 words
    support for a dna data bank A DNA Bank Is Good For All Imagine that a convicted child molester is released from jail and that he is now traveling around the country looking for work. One day this criminal returns to his old ways and he attacks a young child whose dead body is found in a deserted field the following day. The only trace of evidence at the crime scene is a semen specimen on the boys clothes. Now this specimen could be useful if the police tracked down, and arrested the suspect, and then took a blood sample of his that matched the crime scene specimen. But, since no other clues are found this criminal was never arrested and for the next couple years he repeated this act many mor ...
    Related: bank, sexual offenders, los angeles, genetic information, criminals
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