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How the eye is suited for the purpose of converting visible light into neural activity?
4 pages (1004 words) , Download 12
Similarly, alteration in anatomy also causes defects like myopia, hypermetropia and astigmatism. However, various methods are also included in this essay to overcome these eye problems.
Innate and Adaptive Immunity
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Innate and Adaptive Immunity We live in an environment where we are constantly exposed to foreign particles which include, dust, chemicals, bacteria and viruses. If our body did not have an apt mechanism to tackle the incoming stream of foreign antigens we would soon have become victims of various harmful diseases.
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The teosinte are also either rhizome-forming perennials or “annuals that reproduce every year from seed” (495). Corn or maize, however, has a rigid rachis called the cob and is made up of kernels (494). Although some scientists believe that teosinte is the ancestor of corn, many people do not because of the differences of the appearance of teosinte when compared with corn.
The Red Blood cells
6 pages (1506 words) , Download 5
Section A Calculation for RBC Length of one smallest square = 1/20 mm Width of one smallest square = 1/20 mm Depth of one smallest square = 1/10 mm Volume of one smallest square = 1/20 x 1/20 x 1/10 = 1/4000 mm3 Total number of RBCs counted = 1036 (5 squares, 4 corners + 1 center) No.
Pesticide Use to Control Insect Infestation on a Grass Lawn and in a Farmer’s Field
3 pages (753 words) , Download 4
Name Instructor’s Name Course Date A Research Essay that Explores Pesticide Use to Control Insect Infestation on a Grass Lawn and in a Farmer’s Field The most obvious benefit of pesticides depends on how and where it is being used, for instance, for economic purposes.
Darwin and Evolution
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Several theories have been ever since to understand the origin of man and concepts such as evolution and speciation. Charles Darwin’s theory of natural selection even though slightly debatable provides a firm insight into what might had been the basis of our existence.
Designer babies
2 pages (502 words) , Download 4
The process of creating designer baby has often questioned because of its unstable moral platform. The processes involved are not natural. Genetic engineering of babies comes with some challenges. Some of its shortcomings are: - Division of the socioeconomic strata, Designer babies intensify the superficiality in the society, not a guaranteed process and it is not an ordinary course of life.
A comparative study on the effect of different chemicals on Daphnia heart beat
2 pages (502 words) , Download 2
A comparative study on the effect of different chemicals on Daphnia heart beats Daphnia magna (water flea) is a small freshwater crustacean existing in different environments such as in lakes, rivers, and streams. Daphnia is frequently used in a bioassay to investigate the effect of a chemical on the living organism.
The Scientific Method Paper
3 pages (753 words) , Download 3
A standard process of questioning and analysis is followed to obtain data to test a hypothesis or educated guess. Scientists all around the world follow this same procedure to test questions about natural phenomenon.
'How proteins in the diet are disassembled and then reassembled to form useful proteins in the body'
4 pages (1004 words) , Download 3
Proteins usually perform multiple roles in the body, and exhibit a great level of diversity. Dietary proteins usually undergo dissembling into amino acids, which are the building blocks. The body only has the potential to absorb amino acids, explaining why the body embarks on the digestive process.
Gene Therapy
3 pages (753 words) , Download 3
The genes thus introduced exert their benefits by either compensating for the abnormal genes or by producing beneficial protein or by supplementing the abnormal gene (Hecht, n. p.). The first gene therapy clinical trial started in 1990 (Verma and Weitzman, n.
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Identification of bacteria as a causative agents of diseases, epidemics, contaminated food and other sources of infection and illness is a process that has growing significance in the modern world. Bacteria are a causative agents for many diseases in humans and domestic animals that and can be a cause of significant health impact on the human population.
The use of antibiotics and the concerns of creating strains of microbial resistant organisms.
3 pages (753 words) , Download 2
Nevertheless, microbes which are resistant to the therapy of antibiotic drug and yet cause the disease expose the people to a lot of health problems. Diseases which can not often be treated by the antibiotics include but are not limited to gonorrhea, pneumonia, wound infections, septicemia and tuberculosis.
Each Illness is Caused by a Bacterium
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A 27-year old white female presented at the walking clinic of her local physician on August 15. On physical exam, the patient had a fever of 38.5C. She appeared fatigued, had tender joints, and complained of a headache, a stiff neck and a backache. The physician noticed a circular "rash" about 5 inches in diameter, with a bright red leading edge and a dim center in the form of a "bull’s eye".
Heredity, Genetics and Protein Synthesis
14 pages (3514 words) , Download 2
Heredity, Genetics and Protein Synthesis Name - Course Instructor University Date of Submission Heredity, Genetics and Protein Synthesis TAQ 1: Write a short essay describing the role of genes and chromosomes in the transmission of human characteristics giving at least one example.
Turritopsis nutricula (Immortal jellyfish)
2 pages (502 words) , Download 1
Turritopsis nutricula (Immortal jellyfish) Phylogeny or the evolutionary relationships of Turritopsis nutricula is a subject that requires further research (Schuchert 315-369). The basic scientific classification is as follows: Kingdom – Animalia Phylum – Cnidaria
The Anatomy of Human Digestive System
11 pages (2761 words) , Download 1
The Anatomy of Human Digestive System Introduction Digestion is the process wherein food is mechanically and chemically breaks down into smaller pieces small enough to be utilized and absorb by the body. The human digestive system beginsfrom the mouth, passed through the esophagus, stomach, and the intestinesup to the anus for elimination.
4 pages (1004 words) , Download 2
In the paper the author analyzes the early stage of embryonic development, when groups of cells become committed to differentiate into various cell types such as liver cells, nerve cells and muscle cells. Also he shows the role of the gonad as an endocrine gland in the anatomy of female reproductive system.
Effects of Stress on the Immune System
7 pages (1757 words) , Download 2
Stress has been found to have both beneficial as well as deleterious effects on the human body depending on the nature and duration of the stressor. In most cases, however, the harmful effects outweigh the benefits of stress on the immune system which is especially the case in chronic stressful conditions.
The differences and similarities between voluntary and reflex nerve actions
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Voluntary action is nothing but an anticipated, may or may not be conscious, goal oriented movement. It is initiated in the cerebral cortex of the brain and the impulse passes into the motor area of the cerebral cortex and then to the spinal cord. From here, impulse is passed to motor neuron and then to the muscle making it contract.
Identification of GMO foods using PCR Lab Report
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The genetically modified reference standards were used as controls and the samples were analyzed using agarose gel electrophoresis. GMOs was not identified in all of our soy beans samples with PCR method, we rejected our null hypothesis that stated GMOs was present in our soy beans samples.
Trace the scientific method in a primary research scientific article
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Several studies have thus concentrated on identifying lifestyle factors that can help prevent the development of this disease. It had mentioned three studies, which have concluded that higher coffee consumption was associated with a decreased risk of type 2 diabetes.
respiratory physiology
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Vital capacity of male and female was compared and the effect of partial pressure of carbon dioxide in the inspired air along with the effect of hyperventilation on breath holding limit was also measured. Carbon dioxide is one of those factors whose presence in the inspired air directly relates to the respiratory rate and tidal volume.
Human and Animal Interrelationships
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The nature and scope of the relationship have, however, been differing depending on the type of animal and the benefits an animal has to humans. This relationship has been conceptualized in terms of bringing animals into the human realm. Conventionally, the relationships between humans and animals that have been regarded as domestic are very variable in respect to control of specific animals such as honey-bees, elephants, cats, horses, and cattle among others (Marchello 11).
Isolation and identification of unknown bacteria
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The author analyzes the importance of accurate identification of bacteria and the necessary materials and methods. He shows newer procedures of rapid identification of bacteria like mass spectrometry and computional analysis, microarray-based identification and other that allow faster and affective method of identifying bacteria and other microorganisms.
How proteins in the diet are disassembled and then reassembled to form useful proteins in the body
4 pages (1004 words) , Download 2
Disassembly of proteins is also called as proteolysis. First of all, proteins in our food are broken down into smaller units called as peptide chains. Many digestive enzymes include pepsin, trypsin, elastase and chymotrypsin. These peptides are further converted into amino acids by various proteolytic enzymes.
Microbial physiology and culture (Practical 1 Antibiotics and Agar Diffusion)
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This practical involves three experiments which were carried out to quantitatively analyze and measure antibiotic susceptibility of various microorganisms. The first experiment investigates the effects of variables such as agar depth, presences of salt and inoculums size on the size of inhibition zones.
Biology - Infectious Diseases
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For example, coughing, high body temperature, pimples, scabs or stomach upsets. Our body has a natural defense mechanism known as the immune system which strives to get rid of these infections. The immune system deals in two ways with the foreign particles; through innate and adaptive immunity.
5 pages (1255 words) , Download 2
There are many ways in which protein concentrations in substances, particularly solutions, can be determined. The most common approach is the application of a regression analysis model to develop a relationship between protein concentration in a solution and absorbance rate that can be experimentally determined.
Physiology and metabolism, cardiovascular system, MacMan computer simuklation
19 pages (4769 words) , Download 2
Setting the venous resistance at low values would reduce the ventricular function together with the heart rate. This means that the increasing venous resistance has minimum influence on the blood pressure. Setting the venous resistance at high values may alter the blood pressure.
GMO the Necessary Evil
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This brings us to the question, what exactly is genetically modified organism? Specter and Michael define genetically modified organism as any organisms whose genetic substance has been manipulated using genetic
The Increasing Incidence of Cancer in Human Beings
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Cancer is a disease wherein the body’s own cells undergo uncontrolled multiplication and growth that leads to very unhealthy states leading to death. Cancer cells possess four characteristic properties which distinguish them from normal cells which are uncontrolled proliferation (growth), altered differentiation and loss of function, invasiveness and metastasis.
The Effect of Light Intensity on the Abundance of White Clover
18 pages (4518 words) , Download 1
The paper will observe the prevalence of plots that had low intensity of both light and clover, in many of these plots no clover was present. These plots differed visually from other plots, as in these plots the soil was exposed and there was no vegetation of any species. In addition, there was animal faecal matter present.
Thesis proposal about antibiotic resistance pathogens in fomities
8 pages (2008 words) , Download 1
In modern time the extensive use of antibiotics in treatment of bacterial infections has led to some organisms developing resistance to some antibiotic. Antibiotic resistance can be defined as a form of drug resistance in which the targeted microorganisms can resist exposure to the same drug (Hawkey, 3) Spontaneous genetic mutation in bacteria may confer resistance to microbial drug.
Energy Medicine as the Medicine of Future
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1 Discussion 1.1 Introduction Energy medicine, also known as energy healing is founded on the notion that it is possible for the healer to direct the rejuvenating energy into the patient through various processes like touching, applying pressure or even distant rejuvenation (where the healer is physically absent and located differently from his/her patient) (Daulby and Mathison, 1996, 89).
Molecular and Сellular Biology
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Genetic engineering is one of the most advanced technologies that is being used these days. It is a laborious process and requires extensive research. Genetic engineering is a process in which gene is taken from one organism and incorporated into other.
Origin and Evolution of Birds Paper
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It is evidently clear from the discussion that birds are animals that evolved millions of years ago due to a number of factors in order to resemble the modern day birds. As more research is put forth on the origin and the evolution of birds, many results seems to be emanating day by day as new discoveries are made.
Construction & Diagnostic of Recombinant DNA Plasmid
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The target of laboratory one was to measure the level of competency exhibited by E. coli cells exposed to a chemical method of increasing competency. The chemical used was Calcium Chloride. The experiment established that the competency of cells increased greatly.
The Effect Of RMB Revalue To The Economy Of China
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The effect of RMB revalue to the economy of China. The research study will take into consideration the revaluation of RMB and the effect it had on the economy of China. The revaluation of RMB has been in the limelight in the recent discussions on political and economic affairs.
Designer babies should not be legalized
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Designer babies should not be legalized In the recent years, over the news media, newspapers, scientific journals, internet and research papers, many became astonished on hearing the term ‘designer babies.’ Designer babies becomes majorly based on the concept of one selecting traits that one wishes for his or her child to have.
Entry Strategies of the foreign firms in the Indian Android Smart Phone Market
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....................................................................2 Background information......................................................................2 Literature review...........................................................................
Primary Analysis of Candidate Cancer Meiosis (CM) Genes
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Meiosis and Cancer 17 4. Cancer Testis Antigens and Meiosis, and their Role in Tumorigenesis 19 5. Screening of Cancer Testis Antigens 22 5.1. SEREX (Serological Analysis of Recombinant cDNA Expression Cloning) 22 5.2. T-Cell Epitope Cloning 23 5.3. Differential Gene Expression Analysis 23 6.
Biodiversity and Ethno botanist Exploitation by Pharmaceutical Companies
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According to the paper traditional herbalists and ethnobotanists have been in existence in various society since time immemorial. Pharmaceutical companies commonly tap into the wealth of knowledge that ethnobotanists and traditional herbalists have without compensating them adequately, only using this information to enrich themselves with gross disregard to property rights and common good.
Grass Growth in the Presence of Salt
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Grass Growth in the Presence of Salt Introduction: This investigation is facilitated by the observation of the lack of grass growth approximately three inches from the driveway where salt is customarily spread during the winter months. In addition to the bald patches near the driveway, slow growth is noticed in the patches of lawn up to a foot away from the driveway.
Genetic testing/Genetic Screening
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With advancements in molecular biology and genetics, man has acquired the power to change the genetic characteristics of living beings. GenEthics, was thus born, with controversies and ethical debates as to whether man can “play god”. Just because the technology exists, should it be used to alter nature?
Energy, Metabolism and Cells
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If, however, there is a lack of oxygen in the organism, it resorts to fermentation in order to produce ATP, along with either ethanol or lactic acid. All throughout the processes of photosynthesis and cellular respiration enzymes are utilized. Enzymes catalyze reactions in different ways, and enzyme-substrate complexes are formed through a three-step mechanism.
Osmosis Lab Report
4 pages (1004 words) , Download 1
Osmosis and diffusion are the very essential at both the organ and cellular levels. Osmosis is the movement of the solvent molecules from the region of higher concentration to the region of lower concentration through a semi permeable membrane.
The Hygiene Hypothesis
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Name: XXXXXXXXXXXXXXXXXXXXX Course: XXXXXXXXXXXXXXXXXXXXXX Institution: XXXXXXXXXXXXXXXXXXXXXX Tutor: XXXXXXXXXXXXXXXXXXXXXXX @2010 The concept of “The hygiene hypothesis” was first mentioned by David Strachan and it states that inadequate exposure of young children to pathogenic microorganisms (e.g.
How Eukaryote Cells Came into Life
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Flow of knowledge, energy and matter is required for their maintenance. Living systems can be unicellular or multi-cellular. As the name suggests, multi-cellular organisms are those made of more than one cell. There can be different kinds of cells, two of which are eukaryote and prokaryote cells.
The Earthquake in Haiti in 2010
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A disaster is one of the most unwanted occurrences in life for an individual for it may often result to great loss not only to properties a person possess but also it can take the life of anyone in a blink of an eye. It could either be natural or man-made, which can be equally damaging to life and property.
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