-
The Bell Jar Cancer Versus Depression
1,962 wordsIntegrated into the story of The Bell Jar by Sylvia Plath is a "case history" of a depression patient, from it's subtle beginnings to it's terrifying consequences to it's shaky resolution. On the subject of this depression, there is an article written by William Styron which, in the course of describing his own dealings with the disease, he compares it to cancer. It is my own firm opinion that this assertion is perfectly valid, and it can be shown through careful analysis of the causes and effec...
Free research essays on topics related to: lung cancer, bell jar, interesting to note, treatment of depression, radiation therapy -
Ultraviolet Radiation Nucleic Acid
1,499 words... these processes has the potential to damage the genetic material, and thus the cell. This in turn could cause cells to function poorly, causing premature aging associated with Werner syndrome. If the DNA damage happened to inactivate tumor suppressor genes or active oncogenes, it might also cause cells to grow out of control and produce cancerous tumors. In fact, there is already evidence that a faulty helicase can cause cancers. Recently a team led by geneticist James German of the New York...
Free research essays on topics related to: science vol, growth factor, ultraviolet radiation, genetic diseases, nucleic acid -
Phenylalanine Hydroxylase Pah Enzyme Phenylalanine Hydroxylase Pah Pku
899 wordsPhenylketonuria is one of the commonest inherited disorders - occurring in approximately 1 in 10, 000 babies born in the U. S. It occurs in babies who inherit two mutant genes for the enzyme phenylalanine hydroxylase (PAH). This enzyme normally breaks down molecules of the amino acid phenylalanine that are in excess of the body's needs for protein synthesis. Because we inherit two copies of the gene for the enzyme, both must be defective to produce the disease. A laboratory test that measures ho...
Free research essays on topics related to: allele, enzyme, approximately 1, mutant, gene -
100 000 People Genetic Diseases
1,823 words"We [the human race]|do not have much time to prove that we are not the product of a lethal mutation" Science 263: 181, 1994 "I almost think it is the ultimate destiny of science to exterminate the human race. " Thomas Love Peacock The genetic catastrophe consists of four major genetic "epidemics" - those of cancer, vascular disease, musculoskeletal disease, and behavioral disease. There are identified approximately 250 common genetic diseases, and approximately 7, 000 "rare" genetic diseases. T...
Free research essays on topics related to: behavioral disorders, genetic diseases, fertilized egg, tourette syndrome, 100 000 people -
Theory Of Evolution Life On Earth
1,611 wordsWe act like animals, we eat like animals, and we are animals. The many theories of evolution such as Darwin's theory of evolution prove to us that we choose to believe that we are not animals when we really are. Evolution is the sequential process of change over periods of time, which shapes and establishes the formation of modern man. In referring to evolution, the word means various changes. Evolution refers to the fabrication and development of life on earth. "Organic evolution" is the concep...
Free research essays on topics related to: natural selection, theory of evolution, genetic drift, life on earth, darwin theory -
Darwin Theory Of Evolution Animals And Plants
1,691 words... uil ding blocks of the development of new species. The majority of mutations tend to create adverse traits, such as, albinism. Albinism is a mutation that contains mutant genes, which lack the ability to generate normal skin pigment. Animals and plants, which contain the albinism gene, are unable to survive and reproduce as much and as well as the animals and plants without the albinism gene. Thus stating, that organisms with a mutant gene, will be unable to survive and reproduce as well as ...
Free research essays on topics related to: darwin theory of evolution, homo sapiens, homo erectus, modern humans, animals and plants -
Hardy Weinberg Genetic Drift
1,115 wordsThe Hardy-Weinberg theorem states that the frequency of alleles and genotypes in a populations gene pool remain constant over the generations unless acted upon by agents other than sexual recombination. For example, take a population of mice that consists of 1, 000 members. A specific allele, albino allele, is recessive within this species. 80 % of the population expresses the normal phenotype- brown coloring, while the remaining 20 % are albino. 640 members of the population have the genotype A...
Free research essays on topics related to: hardy weinberg, natural selection, genetic drift, large population, gene pool -
Mutations In Nature Evolution Of Man
1,542 words... A virus invades a host cell by piercing it at a site called a "receptor. Upon attachment, the virus injects its DNA into the cell, coding it to reproduce more of the virus. After the virus is replicated millions of times over, the cell bursts and the new viruses are released to continue the cycle. The body's natural defense against such cell invasion is to release certain proteins, called antigens, which "plug up" the receptor sites on healthy cells. This causes the foreign virus to not have...
Free research essays on topics related to: mutations in nature, evolution of man, funk wagnalls, engineered bacteria, homo erectus -
Amp Amp Neuromuscular Junction
1,706 words... e effects would lead to a decrease in the safety factor for neuromuscular transmission. The safety factor is the difference between the threshold needed to elicit an action potential, which is usually around - 45 mV and the actual end-plate potential amplitude, which is usually 70 - 80 mV, this is shown in figure 5. As a result of the reduced number of functional A ChR, the skeletal muscle becomes weakened. This weakness has four special characteristics: 1. It generally affects the cranial m...
Free research essays on topics related to: amp amp, m j, neuromuscular junction, j p, action potential -
Study Of The Nuclear Disaster Chernobyl
1,164 wordsThe worst accident in the history of this nuclear power generation occurred on the morning of April 26, 1986. It was at the Chernobyl (Ukraine) nuclear power station in the Soviet Union. At 1: 32 AM Lieutenant Colonel Leonid Telyatnikov received a telephone call and was told that there was a fire at the nuclear power plant. There were many reasons their plant had backfired. These reasons included human error and poor plant design due to the cold war. Chernobyl was located in the former Soviet Un...
Free research essays on topics related to: soviet union, degrees fahrenheit, radiation sickness, nuclear plants, released into the atmosphere -
Optic Nerve African Americans
1,364 words... 1992). By comparison to the Beaver Dam Eye study with a predominantly Caucasian population, the Baltimore Eye Survey was a cross-sectional study with a multiracial population. In the Baltimore Eye Survey (Rahman et al, 1996) 5, 308 participants received an ophthalmological screening examination. Of this sample, 2, 395 were African American and 2, 913 were Caucasian Americans. OAG was defined on the basis of glaucoma tous optic nerve damage, abnormal visual fields or both. IOP was not a crite...
Free research essays on topics related to: optic nerve, research foundation, genetic research, white americans, african americans -
Missing Link Isn T
448 wordsCreation vs evolution, was man created be an almighty god, or is he simply a product of modern science. This question has puzzled scholarly minds for many years and yet will for many to come. The one that makes the most sense to me and has the most supporting evidence, is evolution. Not the normal, goop to fish to creature to monkey to man, obviously I skipped some, but one not so greatly known. It is called punctual equilibrium. Punctual equilibrium is a type of evolution stating that the evolu...
Free research essays on topics related to: missing link, cambrian, isn t, mutation, equilibrium -
Theory Of Evolution Animals And Plants
1,430 wordsEvolutionism vs. Creationism Two separate stories are the basis for how the World was created. The first theory is Evolution. Evolution states that we evolved through time and eventually turning into man. Creation states that God created us and that everything was created at once. The acceptance of both Evolution and Creation can end the controversy of how the World came about. Evolution is the first of the two theories. Evolution is summed as being the doctrine of change. It roots back to a Lat...
Free research essays on topics related to: survival of the fittest, natural selection, charles darwin, animals and plants, theory of evolution -
Somatic Cell Therapy Germ Line Therapy
3,341 wordsGenetic engineering has been one of the most controversial ethical issues since 1997; when Dolly the first successfully cloned sheep was announced. Dolly has redefined the meaning of? identical twin? ; not only does she look exactly like her mother she also has the same genetic make up. This experiment was not only impossible but unthinkable. Yet, Dr. Ian Wilmut revealed Dolly on February 23, 1997, at seven months old (Travis 1). On the surface genetic engineering may appear to be the solution t...
Free research essays on topics related to: evolution of man, germ line therapy, mutations in nature, genetic engineering, somatic cell therapy -
Somatic Cell Nuclear Transfer Ban Human Cloning
1,939 wordsAccording to Webster s New World Dictionary (1990), a clone is all descendants derived asexually from a single organism. In layman terms a clone is an exact duplicate of another organism, therefore a human clone would be a perfect copy of another human being. According to the American Medical Association, the scientific name for cloning is somatic cell nuclear transfer, which means the nucleus of an existing organism is transferred into an oocyte from which the nucleus has been removed (AMA 1998...
Free research essays on topics related to: american medical association, ban human cloning, surrogate mother, bone marrow, somatic cell nuclear transfer -
Tyrosinase Related Protein Pigmentation Genes Associated With Albinism Gene
236 wordsMolecular Basis Of Albinism: Mutations And Polymorphisms Molecular Basis Of Albinism: Mutations And Polymorphisms Of Pigmentation Genes Associated With Albinism. Title Molecular basis of albinism: mutations and polymorphisms of pigmentation genes associated with albinism. Abstract Albinism, caused by a deficiency of melanin pigment in the skin, hair, and eye (oculocutaneous albinism [OCA]), or primarily in the eye (ocular albinism [OA]), results from mutations in genes involved in the biosynthes...
Free research essays on topics related to: genes, gene, ocular, molecular, mutations -
Law Of Thermodynamics Holy Bible
1,393 wordsorigin of the known universe The origin of the known universe has been a subject of debate since time began. Countless numbers of religions have come up with many stories to explain the creation of the earth, and its inhabitants. Most religions believe that some form of supreme being created everything. The Navajo Indians believe that Talking God and his rival gods created the earth in a series of unscientific events. Almost every person holds to a belief about the universe that has been derived...
Free research essays on topics related to: four thousand, single cell, law of thermodynamics, holy bible, thomas nelson -
Hong Kong Virus Infection
2,247 wordsClinical Features of Influenza Influenza, commonly called the flu, is caused by viruses that infect the respiratory tract. Compared with most other viral respiratory infections, such as the common cold, influenza infection often causes a more severe illness. Typical clinical features of influenza include fever (usually 100 oF to 103 oF in adults and often even higher in children) and respiratory symptoms, such as cough, sore throat, runny or stuffy nose, as well as headache, muscle aches, and of...
Free research essays on topics related to: side effects, virus infection, high risk, nursing homes, hong kong -
One Of The Most Common Amino Acids
1,323 wordsGenet Phenylketonuria: Pku Danielle Woods Genet 351, K. Owens Research paper Phenylketonuria: PKU Phenylketonuria also known as PKU once had irrevocable and detrimental damage to the people it effected. Babies that were born with the genetic disorder were certain to suffer from severe mental retardation and behavioral disorders because no one knew what was causing the symptoms. Until 1934 when a biochemist and doctor named A. Following from Norway discovered the disease through urine testing. (M...
Free research essays on topics related to: liver disease, one of the most common, mental retardation, severe mental, amino acids -
Dna Strands Birth Defects
690 wordsRadioactivity And Its Effects, (The Chernobyl Radioactivity And Its Effects, (The Chernobyl Incident). RADIOACTIVITY AND ITS EFFECTS, (THE CHERNOBYL INCIDENT). Some nuclei are radioactive, that is they spontaneously emit small particles, and high energy electromagnetic radiation, in doing so they form more stable nuclei. There are three different kinds of radiation, alpha, beta, and gamma. Quantitative studies have shown that alpha and beta are high energy particles, and gamma rays are very shor...
Free research essays on topics related to: birth defects, radiation, dna strands, high energy, chernobyl
Customer center
