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Biology Essays

Result for Subject Biology:
3614 essays
Life's Greatest Miracle Biology Term Paper
2 pages (500 words) , Download 10 , Term Paper
Free
Male and female reproductive systems are different. The testes contain large quantities of sperms while the female reproductive system has a number high-quality eggs. The DNA is a significant molecule that passes hereditary information from one generation
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Cell Walls and Plasma Membranes Biology Essay
4 pages (1049 words) , Download 3 , Essay
Free
for most of the structures identified, location does affect their ability to function. Cell walls and plasma membranes are primary examples because they protect the contents of the cell from the external environment as well as harmful foreign bodies. A nucleus is the brain of a cell and so it tends to be located in the center of an animal cell.
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Host resistance and immunity Biology Essay
2 pages (500 words) , Download 3 , Essay
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ditionally, it comprises how it in turn changes those factors like restraining access to resources by other organisms, act as a source of food for predators and a consumer of prey (Berg, 2008). Both Escherichia- coli and Mycobacterium tuberculosis can survive in hostile
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Marijuana and Tobacco: Effects on the Nervous System Biology Research Paper
7 pages (1750 words) , Download 2 , Research Paper
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Marcovitch pointed out that the nervous system covers the brain, the autonomic part of the nervous system, the somatic system, and the complex systems of the human body (489-490). The autonomic part of the nervous system controls the automatic or unconscious control covering the heartbeat, muscular control of the blood vessels, digestion, and glandular (Marcovitch 490).
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Persistence, Prevalence and Emergence Patterns of Pasture Tunnel Moth Biology Essay
3 pages (1112 words) , Download 2 , Essay
The family Geometridae or the geometer moths are usually the inchworms that are said to “measure the earth” as they move about. This is an extremely large family of moths with an estimated 35,000 species. However, several geometers are known to be terrible pests. The caterpillars, known as inchworms or spanworms, feed on plants while some species are even carnivorous (Looper, 2012).
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Multispecies Models as an Improvement on Single Species Models for Measuring Fishing Impacts on Marine Ecosystem Biology Assignment
2 pages (500 words) , Download 2 , Assignment
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The authors offered a study in which they compare the multispecies fishing tools to understand and highlight their impact on the marine communities. Moreover, they carefully examined four separate types of the multispecies fish models. The study greatly helped in understanding the advantages of the multispecies modeling.
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Stem cell research and its future Biology Essay
5 pages (1250 words) , Download 2 , Essay
Stem cells have the ability to renew themselves even after longer periods of inactivity. According to Goldstein, & Schneider (p.5), the potentials of
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The Current Evidence of Human Evolution Biology Essay
4 pages (1000 words) , Download 2 , Essay
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DNA evidence shows that modern human beings originated about the past 250,000 from Africa. Modern humans have developed a brain that is capable of intellectual reasoning. This human mental competence when combined with arms controlling objects, has given humans a chance to make greater use of many tools.
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Organisation of the body Biology Essay
6 pages (1500 words) , Download 2 , Essay
Evidently, resolution pertains to the level of visible detail in a photographic representation or image. b) Complete a table similar to that shown below in a Word document. Describe what the following structures do in the cell and how their
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Per3 Gene and Diurnal Preference Biology Lab Report
7 pages (1750 words) , Download 2 , Lab Report
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The studies have found that a biallelic VNTR (variable number tandem repeat) polymorphism is present in the human PER3 gene at the chromosome 1p36.23, and it contains two alleles with 4 or 5 tandem repeats of 54 bp.This VNTR was evaluated as the important genetic factor for the chronotypes as it is associated with the diurnal preference.
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Revision of Biological Theories Biology Essay
5 pages (1381 words) , Download 2 , Essay
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The piecemeal acceptance of the new theories was because of unclear defined evidence to the growth of the cell evolution. But the piece-to-piece acceptance also was contributed by criticizing scientists. Margulis's first book in 1970 on endosymbiosis although new to most of the scientists those who knew of it dismissed it making her care again distinguish her ideas clearly from others.
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Annual Review of Biochemistry Biology Essay
1 pages (262 words) , Download 2 , Essay
Free
Movement of solute particles across a semi-permeable membrane down a concentration gradient without energy expense is passive diffusion. All biochemical systems move towards a state of homeostasis or equilibrium. The biological membranes are semi-permeable to the majority of small-sized molecules that frequently need to cross them.
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Dealing with Diabetes Biology Essay
1 pages (250 words) , Download 4 , Essay
Free
Glucagon is produced when blood sugar is low, and insulin is produced when blood sugar is high. Glucagon stimulates the liver to release glucose, a form of sugar, thereby increasing your blood sugar. Insulin, conversely, triggers the fat cells in the body to
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The Pony Fishs Glow: And Other Clues to Plan and Purpose in Nature Biology Term Paper
11 pages (2874 words) , Download 2 , Term Paper
Free
The author found the work to be fascinating and well presented, however lacking in some areas. The aim of The Pony Fish was to examine the adaptations of organisms both in terms of their strengths and weaknesses. The purpose of this was to show the limitations and the power of the process of evolution. 
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Summarising Biology Assignment
2 pages (500 words) , Download 2 , Assignment
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According to hematologist Katherine High, M.D at The Children’s Hospital of Philadelphia, the research established that genome editing could correct a genetic defect in vivo
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Major Issues in Gene Cloning Biology Essay
7 pages (2069 words) , Download 3 , Essay
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After identifying an existing nucleotide sequence that can produce such oligopeptide, the sequences upstream and downstream of it will be used to identify sequences compatible with restriction enzyme digestion. Upon treatment of the purified mouse DNA with restriction enzymes, the isolated DNA sequences will be joined with plasmids.
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Describe the process of graft rejection in transplantation Biology Essay
2 pages (500 words) , Download 3 , Essay
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The present study focuses on understanding of the process of graft rejection in transplantation. Graft rejection in human bodies may be classified as hyperacute rejection, acute rejection or chronic rejection. Hyperacute rejection that is
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What are the alternatives for a malaria vaccine after the RTS,S disappointments Biology Essay
8 pages (2000 words) , Download 2 , Essay
tion of human data put emphasis on the immunization that is derived from one strain of P.falciparum which is in a position to offer protection against other types of strains. Of importance to note about the existence of natural acquired immunity is that is provide evidence
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Techniques for the Biomedical Sciences Biology Essay
4 pages (1000 words) , Download 2 , Essay
Free
ELISA was developed in 1970 as a replacement for radioimmunoassay. ELISA is a biochemistry assay that is wet in nature used in the detection of substance usually an antigen. The plates are washed in the first place to sterilize any microorganism that may be present that may alter the results of the experiment.
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FACTORS THAT CAUSES THE BREAST CANCER IN YOUNG WOMEN Biology Essay
10 pages (2500 words) , Download 4 , Essay
The age category of young women who can be prone to the cancer is placed at 40 years of age and below (MedineNet, 2014). The risks of getting breast cancer increases with aging, however, even younger women are at increased risk. This can be attributed to some risk
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Using a Real-Time PCR for Diagnosis in the Laboratory of Human Infection with a Whooping Cough Biology Essay
12 pages (3439 words) , Download 2 , Essay
Free
A bacterial infection that infects the respiratory. The infection is characterized by post-tussive vomiting, paroxysmal cough, and whoop. The most severe infection affects young children and infants. In adults and adolescents, it affects those who constitute the reservoir and is caused by the infections that spread to younger children. 
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Marine Biology: Describe human impacts on marine ecosystems Biology Essay
4 pages (1000 words) , Download 3 , Essay
It is estimated to cover 71 percent of the earth surface. Marine ecosystem can be defined as a complex habitat. It has a wide range of physical, chemical, and geological variations in the sea. Moreover, the system has variation in habitat. Some
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Cetuximab for treating Colorectal Biology Essay
1 pages (250 words) , Download 2 , Essay
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The EGFR receptor protein belongs to the member of ErbB receptor family as well as the receptor protein tyrosine kinase (Brand, Iida and Wheeler 2011). According to Brand,
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Drug Safety Evaluation and Pharmacovigilance Biology Assignment
4 pages (1000 words) , Download 2 , Assignment
The pre-marketing studies of drugs cannot effectively detect an increased incidence of adverse events with a significant magnitude. Only about 500 to 3000 participants are studied for most drugs and for short durations before drugs are marketed
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Effect of Exercise on Blood Pressure and Pulse Rate Biology Essay
4 pages (1000 words) , Download 3 , Essay
Free
Scientifically, there exists a close relationship between physical exercises and pulse rate and blood pressure. Whenever one is engaged in a physical exercise, several changes occur in the pulse rate and blood pressure. The influences of exercise on pulse rate and blood pressure can be scientifically ascertained.
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Control of Flux in the Glycolytic Pathway Biology Essay
2 pages (500 words) , Download 2 , Essay
Free
The author explains that in glycolysis, all the reactions that are catalyzed by phosphofructokinase, hexokinase, and pyruvate kinase are considered being virtually irreversible. These enyzymes would easily be expected to have both the regulatory, and the catalyzing roles. The enzymes will serve as a controlling site.
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Definition of Food Allergy Biology Essay
2 pages (668 words) , Download 3 , Essay
Free
Anaphylaxis is a life-threatening whole-body allergic reaction that can impair one’s breathing, cause a dramatic drop in one’s blood pressure, and affect one’s heart rate. This symptom of food allergy occurs in severe cases of food allergy. Food Allergy in Children: food allergies are most common among children under three years old.
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Komodo dragons and their behaviour Biology Essay
14 pages (3500 words) , Download 2 , Essay
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This essay explores the process of applying ethnological methods and principles for studying animal behavior is still new. So far, many stimulating discussions and controversies continue to emerge on this important subject. In this regard, this paper presents an examination of the way reptiles live and behave in their natural habitat.
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Control & Co-ordination Biology Assignment
7 pages (1750 words) , Download 2 , Assignment
The peripheral nervous system greatly consists of nerve cells which are the receptors in the body. The main receptors include the afferent and efferent nerves. These sensory receptors are responsible for detecting any change in the environment. The
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The Ways Science Can Have Positive Impact on One's Life Biology Assignment
1 pages (482 words) , Download 2 , Assignment
Free
There are various biological discoveries that have had a positive impact on my life, which have made me interested in learning more about Biology. The biological discoveries that have affected my life positively include the discovery of the cancer-eliminating virus. New studies have shown that the oncolytic virus can be used to cure people suffering from cancer.
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Structure of Eukaryotic Cells Biology Essay
5 pages (1250 words) , Download 7 , Essay
Free
Eukaryotic cells are the most structurally advanced of the major cell types existing in form of complex cells in which genetic material is organized into membrane-bound nuclei. One major characteristic feature of a Eukaryotic cell is having a membrane-bound nucleus. Organism possessing of eukaryotic cells can also be considered as a eukaryotic organism. 
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Forensic Molecular Biology Biology Term Paper
8 pages (2342 words) , Download 3 , Term Paper
Free
The author states that short tandem repeat or STR is polymorphic DNA loci present on a chromosome containing repeated nucleotide sequence having two to seven nucleotides repeat. The number of repetitions of this nucleotide is unique to a particular individual and hence can be used as a signature for that particular individual.
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The Basic Technique of Fingerprinting Biology Case Study
8 pages (2151 words) , Download 2 , Case Study
Free
This profile is as unique and as diverse from the other plant, as a separate fingerprint. It can differentiate plants from different species, families, and genera’s and from a variety of cultivations. The DNA fingerprinting technique is basically employed to determine the genetic identity of the organisms.
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Cloning of the E. Coli Experiment Biology Essay
9 pages (2477 words) , Download 2 , Essay
Free
Cloning can be carried out through various methods. These include the nuclear transfer method which involves the fusion of an adult animal cell with the enucleated egg cell, so as form an embryo. This can be done by microinjection which is a subdivision of the fusion of the nucleus. The fusion of the nucleus to the cell is done by the use of electric pulses. 
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Poriferans Are a Phylum That Is Also Known as Sponges Biology Essay
5 pages (1511 words) , Download 2 , Essay
Free
The sponges are multi-cellular organisms that have pored or channeled bodies. This allows water to circulate through the cells of an animal. The organisms also consist of sandwiched and jelly-like mesohyl in between the two layers of the cells. Polifera is a phylum of the Animalia kingdom, whereas the particular phylum consists of approximately five thousand species.
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Zoo Activity. Monkey Biology Essay
3 pages (750 words) , Download 2 , Essay
Today, there are lots of differences between human beings and apes. These have been attributed to the different environments in which each of them live. At the same time, they are linked to the diverse environmental conditions in which they live.
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Marine science 1.9 and 2.5 Biology Assignment
2 pages (500 words) , Download 3 , Assignment
Free
However, because as the surface water on the marine evaporates it leaves behind some salt. Therefore, the fresh water will mix with the salt and hence go down because it has now became denser. It has a long slim body
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Information Concerning X Chromosomes Mechanism Biology Essay
4 pages (1123 words) , Download 2 , Essay
Free
Stem cells can be helpful in medical treatments. It is, however, necessary to understand the mechanism of the X chromosome to avoid using treatments that may lead to consequences. Gabriel Marais of the University of Lyons admitted that the situation was very confusing, implying that a more thorough study is necessary.
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Antibiotic Resistant Bactria Biology Lab Report
1 pages (250 words) , Download 3 , Lab Report
Free
However, there exist some bacteria that are resistance to numerous antibiotics. Collins (2002) describes them as MDR (multidrug resistant) or superbugs. Multiple researchers have categorized drug resistance as
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Prejudice Based on Skin Color Biology Dissertation
7 pages (1750 words) , Download 2 , Dissertation
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The distribution of skin color tends to be multi-modal such that distinct groupings of people that share the same skin color can be observed. The persisting norm throughout human history has been to treat all the people within a given grouping in the same way, but subject people in different groupings differently.
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Tutor Marked assigment 03 - Science of the senses Biology Essay
6 pages (1500 words) , Download 2 , Essay
In human beings, trichromatic vision is the ability to see different colors. This is made possible by the presence of the three different types of cone cells in the eyes. The retina in the human eye
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The Ebola Virus Treatment Biology Essay
3 pages (939 words) , Download 2 , Essay
Free
About the World Health Organization (WHO), Ebola fatalities average about ninety per cent of all infected persons (Peters and LeDuc ix). Despite the high fatality rates, the illness still lacks proper treatment mechanisms. Ebola is found to be caused by the viruses of the Filoviridae (filovirus) family.
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Carrying out research Biology Coursework
4 pages (1000 words) , Download 2 , Coursework
The reason for this is that water molecules will pass from low concentration (lowly concentrated sucrose solution found in the test tube) to high concentration (cell saps
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The Life of Sir Alexander Fleming Biology Essay
4 pages (1291 words) , Download 2 , Essay
Free
The revelation and advancement of penicillin altered the whole course of methodologies for treating infectious illnesses and spared lives. In fact, the advancement of penicillin was a critical occasion in the fight against infectious sicknesses, and Sir Alexander Fleming remains an important individual in the chronicles of medicinal history.
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Biology of the war Biology Assignment
1 pages (250 words) , Download 2 , Assignment
Free
For instance, the Soviet Union’s effort to rival groups instead of between persons is a clear case of human being’s desire to achieve full human standing through violence. As a result, I assume a fundamental, competitive, violent, warring human being.
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Characterization of a Human Immunodeciency Virus Type 1 Pre-Integration Complex Biology Essay
1 pages (566 words) , Download 2 , Essay
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The HIV type 1 virion is enclosed in a bilayer of lipid into which the viral envelop protein is introduced, a gp120±gp41 homotrimer. The (MA) matrix protein surrounding the capsid protein (CA) core structure, lies inside the bilayer, which in turn encloses two alike plus-sense viral, single-stranded, RNA connected with integrase (IN) proteins, reverse transcriptase (RT), and nucleocapsid (NC).
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The Role of Amino Acid R-groups to the Structure and Function of Ligand-Protein Complexes Biology Lab Report
4 pages (1000 words) , Download 2 , Lab Report
This process is also distinguished by the intensity of colors on the chromatogram. The main factors responsible for folding and stability of amino acids are the existence of non- covalent bonds and intermolecular interactions that might be
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Comparative analysis Biology Assignment
10 pages (2500 words) , Download 2 , Assignment
An example is the fact that through transcript analysis, there is the assurance of identification of a specific epidermis. The epidermis of plants varies but it is imperative to understand that the normal or scientific microscope does not carry out
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Ordovician Mass Destinction Biology Essay
8 pages (2000 words) , Download 2 , Essay
It was around the end of this time period that the event is supposed to have taken place which is about 440-450 million years ago. In order to see what organisms and species had been affected by this mass
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Dauphin Island Biology Research Paper
10 pages (2500 words) , Download 3 , Research Paper
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According to the report Dauphin is said to be a permanent home of about 1300 residents with great numbers of visitors flooding in during special holidays and other vocations. This island is generally designated as a bird sanctuary, a factor that attracts thousands of visitors who come to experience the yearly migrations.
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