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Biology Essays

Result for Subject Biology:
3614 essays
House Flies - House of Pathogens Biology Report
7 pages (1956 words) , Download 1 , Report
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The house fly belonging to large filth fliers group are strong fliers believed to have evolved at the beginning of Cenozoic era, originated in Steppes of Central Asia. Due to its association with human and human activities today it is cosmopolitan in nature seemed to have spread along with the migration of man. 
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Virulence Factors of Candida Albicans Biology Case Study
10 pages (2915 words) , Download 1 , Case Study
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Thrush or candidiasis is easily treated in individuals having an intact immune system. But patients having the neutropenic disorder, and depressed immune system due to AIDS or transplanted organ or cancer chemotherapy treatment are highly susceptible to systemic mycoses. This opportunistic pathogen has an adaptation strategy under imposed environmental conditions.
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Chromosomes and Cell Reproduction Biology Essay
5 pages (1313 words) , Download 0 , Essay
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The number of chromosomes in a single set, as found in a gamete, is called the haploid number and is denoted by n, so diploids have 2n chromosomes. The two sexes have a different number of sex chromosomes, so males and females can have different diploid numbers. Karyotypes may be very stable through evolution.
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Aging Biological Changes Biology Assignment
6 pages (1589 words) , Download 0 , Assignment
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Hypothetical Example of application of this theory: Supposing, a mutation has occurred in a line of chimpanzees causing a change in the protein that helps in emulsification of fats and is expressed at an old age. In nature, its significance remains unknown. But in captivity, it is observed that they are unable to assimilate fats from food. 
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Wilms Tumor Presents a Classic Histologic Triphasic Pattern Biology Lab Report
5 pages (1585 words) , Download 0 , Lab Report
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The possibility of removing both kidneys is remote. The physician will take out a portion of cancer in both kidneys and the lymph nodes around the kidneys are removed to ascertain whether they contain cancer cells. Following the procedure, chemotherapy and/or radiation therapy is routinely performed the surgery.
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Hepatitis C Infection Biology Essay
4 pages (1166 words) , Download 0 , Essay
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The EIA measures specific antibodies to small pieces of the hepatitis C virus proteins (antigens). This test, therefore, is referred to as the anti-hepatitis C virus antibody test. A confirmatory test called Recombinant Immunoblot Assay (RIBA) should be performed on individuals who are positive for hepatitis C virus proteins (Shoenfield 6). 
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The impact of Plant Disease on New Zealand Biology Report
6 pages (1794 words) , Download 1 , Report
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Use of disease-free seeds for plantation in non-infected soil: The infection-free tuber seeds can be produced using tissue culture technology (Dodds, 1988) or ii) meristem culture (Mori et al., 1969) or iii) micro prorogation methods coupled with conventional multiplication methods (Donnelly et al., 2003).
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The Promise of Protein Microarray Technology Biology Research Proposal
4 pages (1132 words) , Download 1 , Research Proposal
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In medical research, it will increase the immune diagnostics significantly by analyzing all the parameters of interest.  Most importantly, it will require less sample volume thus minimal amounts of the sample will be available like the analysis of multiple tumor markers for a minima amount of biopsy material. 
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Structure, Function, and Involvement in Disease of Apolipoprotein Biology Term Paper
4 pages (1513 words) , Download 0 , Term Paper
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Apolipoproteins are mainly responsible for the transport of different types of fats e.g. lipids and cholesterol, through the bloodstream, thus forming lipoproteins. Apolipoproteins surround the hydrophobic lipid core by forming a layer. Different types of apolipoproteins act differently in lipid metabolism and lipid transport.  
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Biogenetic Therapy Biology Essay
8 pages (2220 words) , Download 0 , Essay
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The reasoning for this is that the Nobel Assembly at Karolinska Institute awarded its Prize in 2006 to the discoverers of RNA interference Andrew Fire and Craig Mello and observed that RNAi has already found widespread use in basic science to study the function of genes, leading to the development of new drugs in the future.
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Biology Data-based Questions Biology Assignment
10 pages (2725 words) , Download 1 , Assignment
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Through the process of recycling, ecosystems reuse nutrients. This process of nutrient recycling was tested in several biomes. The duration for one cycle of decomposition is known as the mean residence time or MRT. Decomposition is a process that starts with absorption by an organism to release after death.
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Peripheral Blood Stem Cells Biology Essay
4 pages (1489 words) , Download 0 , Essay
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Immunological methods are under active research to purge the tumor cells from the collected PBSCs, making the therapy safer to practice. Methods and chemical agents are under development to enhance the mobilization of the PBSCs for a better therapeutic result in certain conditions like Multiple Myeloma where poor mobilization was the disadvantage.
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Genetic Engineering Technology of the 21st Century Biology Case Study
7 pages (1795 words) , Download 2 , Case Study
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Genes code for a lot of proteins in our bodies. This concept of a gene responsible for the production of a specific protein was in 1909 by an English physician called Archibald Garrod. Although this was a major breakthrough in the field of genetics it was not noticed until the early 1940s, when it was rediscovered by the American geneticists.
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Genetic Engineering Biology Case Study
7 pages (2469 words) , Download 2 , Case Study
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The study on genetic engineering started back in the 1960s. Genetic engineering, transgenic, or genetic modification/manipulation (GM) are some of the terms used in referring to direct manipulation of an organism’s genes. In line with the scientific breakthrough of genetic engineering, the study on gene therapy, stem cell research, cloning, and genetically-modified food became very popular.
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Comparative Vertebrate Anatomy Biology Coursework
7 pages (1920 words) , Download 1 , Coursework
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The body temperature of seals is protected by their thick layer of subcutaneous blubber against their living environment’s (cold seawater) ) temperature which is ranging from 0° to 15°C. Their flippers though can not be covered with subcutaneous blubber because it will interfere with its function as paddles and fins. 
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Modern Conservatism and Stem Cell Research Biology Essay
8 pages (2095 words) , Download 1 , Essay
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After all, Conservatism is not irrational, it is not without mercy for those afflicted with debilitating diseases, and a fair reading of the Cosmological principle, of the premises underlying theocentric humanism, and the Chief Sociological Maxim can be reconciled with the pursuit of adult stem cell research designed to ease pain and suffering.  Embryonic stem cell research, on the other hand, conflicts with the Cosmological principle.
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Twin Studies Assumptions Biology Assignment
6 pages (1607 words) , Download 3 , Assignment
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The author states that examining the degree to which identical twins differ, the scientists try to find out how particular traits are influenced by genes and the environment. The greater similarity in identical twins than in non-identical twins indicates a shared genetic basis for a certain trait.
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Salivary Secretion and Taste Biology Lab Report
5 pages (1498 words) , Download 2 , Lab Report
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One of the main functions of the tongue is to help in mixing the food with saliva. Saliva is a liquid substance secreted by salivary glands. There are three pairs of salivary glands in human beings. They open themselves into the mouth cavity by ducts. They are as follows: A pair of parotid glands situated in front of the base of the external ears, etc.
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Termination of Pregnancy Should Be Considered in Serious Genetic Alteration Biology Essay
5 pages (1398 words) , Download 1 , Essay
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Unless these reproductive issues remain the subject of continual ethical debate, there is little hope of achieving agreement between an individual’s personal moral philosophy and what they may be required to do in practice.” (Devane & Devane, 2000).
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Metabolic Changes in Type-2 Diabetes Mellitus Biology Assignment
5 pages (1250 words) , Download 1 , Assignment
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The author states that there are basically 2 types of diabetes mellitus. While type-1 is due to absolute insulin deficiency as a result of pancreatic beta-cell destruction, there is relative insulin deficiency in type-2 as a result of a combination of peripheral resistance to insulin action and an inadequate secretory response by the beta cells.
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Features of Evaluation of the Cell Biology Coursework
8 pages (2432 words) , Download 1 , Coursework
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For instance, organisms such as bacteria are unicellular organisms. Multicellular organisms include human beings, animals, plants, etc. basically all organisms can be classified into two groups eukaryotic and prokaryotic. Prokaryotic cells or organisms containing this type of cell are usually independent as everything required for the survival, movement, and another aspect is present in just that single cell.
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Brain Differences in Men and Women Biology Literature review
5 pages (1625 words) , Download 1 , Literature review
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The structure of the brain and its particular functions have been extensively examined in the literature. In this context, it has been found that women’s brain is different in terms of its functions than the men’s brain. Moreover, the position of the brain has been also found to be different in men than in women.
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Single Nucleotide Polymorphisms Replaces the Short Tandem Repeat Biology Essay
4 pages (1212 words) , Download 0 , Essay
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STR (short tandem repeat) has been used for forensics and genetic testing since the mid-1990s, especially coming to the public attention through the OJ Simpson case in California.  Some say OJ was acquitted because the jury did not understand STR DNA.  STR are repeating sets of nucleotides or genetic markers.
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Lateral Movement of Human Eyes While Processing Information Biology Coursework
4 pages (2249 words) , Download 0 , Coursework
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The study, thus, convinced us of the validity and practical usage of the hypothesis that people tend to make lateral right eye movements while processing information that required verbal skills. It also pointed out the involuntary lateral left movement of the eyes while processing information connected with spatial content.
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Whether Human Evolutionary Process Is Transferring Digital Information or Analogue Biology Coursework
8 pages (2351 words) , Download 1 , Coursework
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Dawkins has presented the examples of wasps and forest trees interlinking their traits with a favorable environment and their possible adaptability. The trees in the forest are taller in comparison with those of other regions due to the fact that they overlap rival trees in the always prevailing competitive situation. 
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Homeostasis Mechanisms of Living Organism Biology Essay
4 pages (1246 words) , Download 0 , Essay
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Homeostasis is a term meaning the constant, stable condition of open or closed systems, the latter being represented by our bodies. Homeostatic mechanisms are the feedback processes taking place in our organisms in order to bring them to constant conditions. Our bodies consist of myriads of cells placed in a fluid environment.
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Methicillin Resistant Staphyloccocus Aureaus Biology Coursework
7 pages (1945 words) , Download 1 , Coursework
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In general, staphylococci are common in skin folds, such as the perineum, axillae, and in the anterior nares. They may also colonize around the wounds, for instance in eczema, varicose, and decubitus ulcers. MRSA has the same way of spread as the other strains of staphylococcus: endogenous transmission and exogenous transmission
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Description and Anatomy of the Human Body Biology Essay
8 pages (2000 words) , Download 2 , Essay
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 A first image is an axial plane of the Thorax. The axial or transverse plane cuts the body parallel to the ground into top and bottom halves. The plane is useful in studying the relations between cardiovascular structures by analyzing images at consecutive levels. It is a CT scan an image that uses X-Rays in a complicated way.
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The Term Bioarchaeology Biology Case Study
8 pages (2027 words) , Download 3 , Case Study
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It's pointed out that Bioarchaeology indeed refers to the biological remains which have been recovered as well as analyzed from similar sites and areas. However, this term is used interchangeably with ‘environmental archaeology.’ It has a close association with osteoarchaeology and palaeo-osteology.
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Biology of the Spermatogenesis Process and Men Infertility Biology Essay
4 pages (1286 words) , Download 0 , Essay
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Spermatogenesis is the process when male gametogonia, develops into mature spermatozoa, which is the mature male gametes. It takes approximately sixty-four days for spermatogenesis to form in the male. The process of spermatogenesis begins around puberty and does not stop until death, though a decrease can be seen in the quantity of sperm produced.
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Morphology and Classification of the Giardialamblia Biology Article
4 pages (1393 words) , Download 0 , Article
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The third method is to detect the presence of Giardia antigens in the fecal matter of an infected person by using immunofluorescent assays, both using monoclonal antibodies as well as by using direct fluorescent assays. Humans may be sensitive to these assays so they may need to be used with care or only as a last resort. 
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Tundra as the Plainest Biome Biology Essay
6 pages (1732 words) , Download 0 , Essay
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Smith (167) asserts that changes brought about by succession can also be affected by humans. Humans are the movers for the biome, the activities undertaken can directly affect both organisms and the environment. A single change in the abiotic and biotic factors can generate a major impact on the biome affecting all organisms.
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Do Memories Reflect the Operation of Different Systems or Are They Ways of Accessing a Unitary Store Biology Article
6 pages (1663 words) , Download 1 , Article
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We will present the findings of certain relevant researchers which will eventually form the basis for the understanding at hand. To start with, visual perception is basically the perception that is dependent on one’s vision. It takes into consideration the usage of the eyes which see the light and thus interpret the viewed object to the brain. 
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Self-Recognition in Monkeys and Apes Biology Case Study
10 pages (3132 words) , Download 1 , Case Study
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The degree of getting involved in the process differs from being to being. Animals are generally instinct-lead. Self-concept in animals is confined to their needs and defence alone. Thus their activities in connection with their sense recognition are purely need-based; defence being another need for survival. 
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Level of CO2 that Affects the Microbial Activity, Diversity, and Numbers Biology Assignment
6 pages (1233 words) , Download 1 , Assignment
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The method for obtaining finished gels that can be used for investigative research requires further procedures (such as amplification of the samples from the gel). Although the results obtained through DGGE are more accurate and genuine than previously tested methods, it suffers from certain innate defects.
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Th17 ells and Their Role Biology Essay
7 pages (1910 words) , Download 1 , Essay
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The interleukin (IL)-23-IL-17 axis is critical for both the onset phase and the bone destruction phase of autoimmune arthritis.  Skewing of responses towards Th17 may be responsible for the development and/or progression of acute transplant rejection in humans. IL-17A, which is elevated in psoriatic skin, can stimulate neutrophil recruitment, ß-defensin 2 production, and ICAM-1 and MHC class I expression on keratinocytes. 
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A Microscopic Examination of the Conjunctiva in Contact Lens Wear Biology Assignment
4 pages (2135 words) , Download 0 , Assignment
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The author states that a number of previous studies have reported a compromise of the conjunctiva during contact lens wear, presumably as a result of the direct mechanical effects of lens wear; these include conjunctival staining, hyperemia, chemosis and folding, and an apparent depletion of the number of conjunctival goblet cells.
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Essential Questions For Viruses Biology Assignment
16 pages (4228 words) , Download 2 , Assignment
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Inflammation is an innate immune response of the body against infection or irritation. Blood vessels dilate to increase their permeability, supplying more blood to the site of infection causing heat and redness in the area. Antibodies reach the site through the blood. Interleukins like IL-1, IL-6, and IL8-Chemotactically attract phagocytes to the site of infection.
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The Role of Manatees in Floridas Ecosystem Biology Essay
10 pages (2762 words) , Download 1 , Essay
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Two years ago, motorboats killed 55 (out of something over 2,600 total) when the animals weren't able to get out of the way in time. And as the number of people and boat increases in Florida - it's now up to a million each year - so does the number of manatee deaths. The government has put speed restrictions in effect in areas where manatees swim.
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Review Questions on Growth, Control of Growth, Antibiotics and DNA & Genetics Biology Assignment
5 pages (1441 words) , Download 0 , Assignment
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The use of antibiotics and immunization procedures against infectious diseases has increased the average life span of humans by nearly 20 years. Chemical disinfectants help in killing pathogenic microbes. The use of antimicrobials has been a short-term solution because it has led to antimicrobial resistance.
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Microbiology: Green Burials Biology Term Paper
7 pages (1750 words) , Download 1 , Term Paper
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In addition to the bacterial decomposition that occurs almost immediately after death, there are other processes that continue to integrate the human body into the environment. Within a year, algae or moss may grow on the bones (Vass 191). Within a decade, roots will grow into the bone and there will be rodent gnawing.
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Air Quality Analysis Biology Essay
6 pages (2006 words) , Download 1 , Essay
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The experimental data showed an increase in the rare particle formation indoors that was characterized by conditions such as low air exchange rates, lower indoor air temperatures, higher outdoor particle concentrations or higher indoor α-pinene concentrations. Thereafter, it was recommended that indoor air purifiers should not be used due to the detection of an increase in potentially harmful substances.
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Why Do We Age Biology Assignment
10 pages (3018 words) , Download 1 , Assignment
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According to the original theory, ageing was an adaptive, genetically programmed event with the purpose of limiting population size and consequently prevent overcrowding. This theory has been largely disregarded by researchers. Due to the high rate of early mortality from extrinsic factors ageing is not usually observed in wild populations.  
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The Future and Scope of Biotechnology Biology Research Paper
6 pages (1782 words) , Download 3 , Research Paper
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. In general, biotechnology draws on gene technology to make more efficient resources for human day-to-day and professional living (Florida Education Initiative, 2001). All living things are comprised of cells, and there is a wide variety of cells, but what makes them similar is that they are all developed from protein building blocks called genes.
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Population of Sea Otters Biology Assignment
8 pages (2375 words) , Download 3 , Assignment
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There are several interesting things about the sea otter that are unique to this creature above all other marine mammals. To begin with, they have some of the densest furs of any mammal. This is because, unlike seals and other marine mammals, sea otters have no natural insulation of their own other than their fur.
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Conservation of Biodiversity in Bhutan Biology Essay
8 pages (2242 words) , Download 1 , Essay
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Protection of only 10% of earth’s ecosystems could make at least half of all terrestrial species vulnerable to anthropogenic extinction in the near future, based on the species-area relation, under which a 50% loss of species is assumed to occur after a 90% loss of habitat area.” It is, for this reason, the government of Bhutan believes that the proposed resolution is an appropriate way to protect biodiversity globally.
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A Genetic Link for Diabetes Biology Assignment
9 pages (9457 words) , Download 1 , Assignment
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The chlorophenoxy herbicides 2,4-dichlorophenoxyacetic acid (2,4-D) and 4-chloro-2-methylphenoxyacetic acid (MCPA) have been widely applied in the United States since World War II and are used for broadleaf weed control in wheat farming and maintenance of home lawns and parks, rights-of-way, and roadsides (Short and Colborn 1999).
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The Difference between Sickle-Cell Anemia and Malaria Resistance Biology Assignment
6 pages (1500 words) , Download 1 , Assignment
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It is a very interesting topic to speak of malaria as a probable cause of a genetic disease. It has been found that people infected by malaria parasites over a long period of time tend to develop this disease of sickle cell anemia completely genetically. Initially, this disease was referred to as ‘sickle cell anemia’ but in recent times the word disease has replaced the word anemia.
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Mendel's Work: Experiments on Plant Hybridization Biology Assignment
6 pages (1658 words) , Download 1 , Assignment
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Before Gregor Mendel came to be known as the Father of Genetics, his major influences were his professors in physics and botany, particularly in the application of mathematics to science and the basis of variation among plants. After graduation, Mendel entered the monastery where he taught and began experimenting on garden pea hybridization and its genetic inheritance.
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Hybridoma Technology Biology Coursework
6 pages (1792 words) , Download 1 , Coursework
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The use of immuno-cytochemical techniques can help to avoid performing procedures, which are painful, uncomfortable and expensive to the patient.  It can also help to speed up the start of appropriate treatment. Another application of immuno-cytochemical staining is for the detection of two antigens in the same smear.
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