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Biology Essays

Result for Subject Biology:
3614 essays
Oncogenes and Breast Cancer Biology Article
6 pages (1848 words) , Download 1 , Article
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Cancer is curable in the present epoch if it is diagnosed in the early stages. The article deals with the genetic aspects, the risk factors associated with cancer along with the symptoms diagnosis and management of breast cancer. It is necessary to avoid direct exposure to the carcinogens as they may trigger the conversion of proto-oncogenes to oncogenes. 
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The Effect of Light and Moisture on Distribution of Woodlice Biology Research Paper
5 pages (1322 words) , Download 2 , Research Paper
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Among these is the need to have either a moist substrate or saturated air in the habitat in which they permanently inhabit. Woodlice primarily breathe through the use of gills, although they do have surfaces that act to absorb oxygen. In their natural habitat, woodlice are generally observed as being restricted to dark and damp locations. Their sensory organs help them detect moisture.
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Foraging Behavior among the Chameleon Species Biology Report
5 pages (1598 words) , Download 2 , Report
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The tongue retraction not only serves to create suction on the prey but also serves to enhance the adhesion mechanism of the tongue by increasing the surface area of contact and rearranging the tongue papillae which increases the interlocking activity. The tongue retraction process contributes to the unique prey capturing and foraging mode observed in the chameleon.
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Five Main Structures of Human Brain Biology Coursework
4 pages (1000 words) , Download 0 , Coursework
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Basically, the brain is composed of five major structures namely the telencephalon, diencephalon, mesencephalon, metencephalon and myencephalon. These structures are in turn composed of other structures that function differently to achieve the overall functions of the five major structures of the human brain.
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Biology Practical on Cells Biology Lab Report
9 pages (2648 words) , Download 2 , Lab Report
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The main thing to note in this experiment, the numbers are obtained as a result of enzyme activity. Enzyme activity is also illustrated by the resultant color of the product (Bolsover & et.al, 2011, p. 215). Since the enzyme activity differs, then it is expected that the activity observed for each case is different. When prepared in an isotonic solution, mitochondria clump together. The sediment in this case which consists essentially of mitochondria is prepared using a centrifuge.
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Phyletic Gradualism versus Punctuated Equilibrium Biology Essay
3 pages (963 words) , Download 0 , Essay
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Gradualists affirm that the incompleteness of fossil records is responsible for the nominal manifestations of transitional forms among species. The philosopher Daniel Dennett also believes in the gradual process of evolution. Charles Darwin was believed to be a gradualist, though not in the concept of evolutionary rates but of adaptations. (Ridley) 
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Theory of Evolution and Evidence for Natural Selection Biology Essay
8 pages (2030 words) , Download 1 , Essay
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By examining these fossils closely, it has been discovered that the greater the age of the fossil, the more is it different from the living beings found today. More recent is a fossil, more is the resemblance to present-day plants or animals. This is perhaps the strongest evidence of evolution.
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Computer Simulation of Action Potentials in Squid Axon Biology Lab Report
8 pages (2141 words) , Download 1 , Lab Report
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During the experiment, it was seen that the latency of the response was dependent on the strength of the stimulus, and not on the duration by which the membrane is exposed to the stimulus. However, in contrast to latency, the strength of the action potential was not modified by either strength or duration of the stimulus.
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The Process of Meiosis Biology Essay
7 pages (1978 words) , Download 1 , Essay
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Meiosis also known as reduction division is a type of cell division where the cells divide to produce cells containing half the number of chromosomes. This type of cell division constitutes a very important part of sexual reproduction and all eukaryotes reproducing sexually have meiosis as a part of cell division. However, the prokaryotes i.e. the bacteria do not reproduce by meiosis.
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Characteristics of Cancer Biology Coursework
9 pages (2261 words) , Download 1 , Coursework
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In light of the statistical data brought forward by the various health organizations, it can be ascribed the importance to the fact that the sociological, geographical and social factors play a great role in the large number of deaths caused globally by cancer per year and long-lasting efforts need to be made in order to prevent, manage and cure cancer patients.
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Heart Failure as a Possible Complication of a Myocardial Infarction Biology Essay
8 pages (2372 words) , Download 1 , Essay
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Myocardial infarction is given by the interruption of blood supply and thereby oxygen supply to a part of the heart, which results in the breakdown of the heart muscles there. This interruption of blood supply and shortage in oxygen supply is normally caused by the collection of vulnerable atherosclerotic plaque, which is a combination of lipids and White Blood Cells, on the walls of the arteries.
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Development of the Human Placenta Biology Term Paper
5 pages (1624 words) , Download 1 , Term Paper
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Placenta has two components a fetal part that develops from the chorionic sac (chorionic villi) and a maternal part that develops from the endometrium (decidua basalis). The development of the placenta begins after the cleavage of the zygote, which consists of repeated mitotic divisions and the ultimate formation of a blastocyst. 
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The Genetic Sequences Implicating West African Origin Biology Research Paper
5 pages (1392 words) , Download 0 , Research Paper
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mtDNA and Y-chromosome can only be passed from mother-to-daughter/son and father-to-son, respectively. They cannot be used in determining the ancestry of grandparents. A drawback of this procedure is that since these genetic materials are a random mixture of equal contributions from each parent, it only provides a broad idea of one’s heritage.
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Structure and Function of the Chloride Channel: Myotonia Congenita Biology Term Paper
8 pages (2271 words) , Download 0 , Term Paper
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The disorder occurs in two forms: autosomal dominant and autosomal recessive (Becker). Becker type is the most common. Thomsen’s disease is rare and mild. The symptoms associated with this disorder normally appear in early childhood. The symptoms vary between individuals. Symptoms in early childhood may include difficulty swallowing, gagging.
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The State of Cloned Animals Food in 2050 Biology Coursework
8 pages (2099 words) , Download 1 , Coursework
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Although food obtained from cloned animals is quite safe to eat, it has been noticed that cloned animals get sick more often compared to animals that are born naturally. When they get sicker they are likely to receive antibiotics that will appear in the food. These abnormalities raise concern that whether cloning technology should be used for food production or not. 
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Investigation of Arabic Gum as An Anti-Microbial Biology Research Paper
6 pages (1500 words) , Download 3 , Research Paper
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In a workshop proceeding by Dane publication (1993), in general, non-polar solvents are mostly used in the extraction of chemicals that might be useful as waxes and lubricants. On the contrary, polar solvents are mainly used in the extraction of compounds useful as chemical intermediaries as they have rather highly reactive oxygen groups.
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Factors Affecting Marine Dolphin Population Biology Report
5 pages (1491 words) , Download 1 , Report
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From the classification, the scientific name for dolphins is Delphinus Delphis. Dolphins have their habitats in oceans, seas and major rivers. They have become specialized in the different ecological niches that they occupy. Dolphins are exclusively carnivorous. Some feed exclusively on fish or cephalopods. Cephalopod is a class of marine that includes cuttlefish and octopus.
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Microbial Processes in the Deep Ocean Ecosystem Biology Term Paper
5 pages (1250 words) , Download 1 , Term Paper
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Many of the geothermal locations undersea have been stable over billions of years, and hence ancient life-forms have been preserved.  These life-forms have been very sensitive to any changes in the ocean environment, and hence human activity such as pollution, deep sea oil extraction, and mining, can destroy these life-forms
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Ethical Considerations in Gene Therapy Biology Essay
7 pages (1782 words) , Download 1 , Essay
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Although most of the traits inherited by people are normal and beneficial, some of the inherited mutations may be fatal or extremely harmful to the individuals. It is used to treat certain genetic anomalies or deficiencies which can cause disorders. Gene therapy technique is applied to develop efficient methods for the introduction of DNA into cells after appropriate DNA sequences and cell types have been identified.
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The History and Development of Oceanography Biology Term Paper
5 pages (1250 words) , Download 1 , Term Paper
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What are some major accomplishments of exploration of oceans? Since the big surface of the earth comprises of beds of oceans, overwhelming information and knowledge are supposed to be explored and discovered for the benefits of human lives. This is the scope of coverage of discussion of this paper.
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How Eukaryotic Cell came into Life Biology Essay
5 pages (1431 words) , Download 1 , Essay
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Prokaryotes had been first found around 3.5 billion years, which is just a billion years following the formation of the earth’s crust. Till today these life forms remain to be the most profuse ones, and since they have a very varied metabolism as compared to the eukaryotes, we can find a great many kinds of prokaryotic types.
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We Are What We Eat Biology Research Paper
5 pages (1250 words) , Download 1 , Research Paper
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One of plant miRNA chains, called MIR168a, is produced by rice and abundantly found in the blood of the Chinese humans studied. Results of the experiments indicated that MIR168a showed the ability to affect gene expression in mouse, inhibiting the liver's ability to filter out LDL, the lipoprotein with the street name of bad cholesterol.
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Fetal Gene Therapy Biology Annotated Bibliography
5 pages (1615 words) , Download 1 , Annotated Bibliography
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McBane asserts in his article that British scientists have come up with a mechanism of treating diseases of children before they are born. The author also asserts that studies on animal species are promising, and they are an indication that it will be a success when applied to human subjects in clinical practice.
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Pathogenic and Non-Pathogenic Microorganisms Biology Term Paper
14 pages (3500 words) , Download 2 , Term Paper
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Pathogenic microorganisms have specific features that enable them to successfully get entry into the host and hence causing diseases. They possess certain factors that enable them to drive in an unfavorable environment created by the presence of secretory immunoglobulin A and presence of other adverse conditions such as extreme temperatures and pH.
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Summary of Molecular Networks Linked by Moesin Drive Remodeling of the Cell Cortex during Mitosis Biology Report
6 pages (1812 words) , Download 1 , Report
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They also describe a membrane linkage protein; Moesin provides a facilitating role that integrates the networks of the mitotic cortex, allowing a cooperative interaction vital to the process of mitosis itself. In fruit flies, (Drosophila melanogaster) is a vital cytoskeletal regulator. Study of Moesin, otherwise known as Moe, should prove to be important in the understanding of the bridging between the actin complex and of the cell membrane
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DNA: The Secret of Life Biology Report
7 pages (1956 words) , Download 1 , Report
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It is therefore paramount that DNA education should be accessible to students. Criminal investigations have also been made easier through this historic science. Forensic scientists are able to resolve cases by observing DNA evidence found on the crime scenes. This has led to breakthroughs in criminal cases by linking DNA found on crime scenes to those of suspects.
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Biological Predisposition to Criminal Behavior Biology Research Paper
5 pages (1250 words) , Download 1 , Research Paper
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This study showed that when biological parents had criminal tendencies and the adoptees exhibited more criminality as compared to when it was only the adopting parents who were parents. The criminality of biological parents affected the criminality of the adoptee but the criminality of the adoptive parent did not affect them as much 
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Personality: Combination of Nature and Nurture Biology Literature review
9 pages (2513 words) , Download 2 , Literature review
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Most of the time, people describe other people on the basis of their behavior patterns and personality traits (Engler, 2009, 261). Personality plays an important role in the formation of social identity. Hence, having a dynamic and positive personality is every human being’s dream. However, it is not that easy to achieve.
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Efficacy of BTB Complex in Double Holliday Junction Dissolution Biology Essay
15 pages (4004 words) , Download 1 , Essay
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It is essential to state that bloom syndrome is a genetic disorder that occurs due to the inability to conserve the genomic structure of the body (Cohen, 2004). The mishap in genetics comes from crossovers of sister chromosomes; the syndrome is brought by autosomal recessiveness of the BML gene (Cohen, 2004).
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The Attraction System Adopted by the Pitcher in Nepenthes Rafflesiana Biology Essay
6 pages (1819 words) , Download 0 , Essay
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The habitat and the ecosystem in which Nepenthes Rafflesiana grows forces it to adapt to nutrient deficiency and thus modification arises in the form of pitcher traps which allow the plant to fulfill its need for nitrogen through another source name in the form of arthropods, insects, and sometimes small vertebrates like rats.
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The Mechanism of Opening and Closing Trap Door Biology Essay
5 pages (1663 words) , Download 0 , Essay
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Even though there is no clear explanation of the mechanism of opening and closing trap door, Vincent, Roditchev, and Marmottant (2011) present that recent studies on the time-resolved analysis of the opening and closing of the trap have provided an insight into the mechanical role of the trap door as some kind of buckling valve.
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The Nature and Effect of Superbug H1N1 Biology Coursework
6 pages (1500 words) , Download 1 , Coursework
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The infecting agent and symptoms should naturally wane within a few days, although they still have caused death among the elderly and immunocompromised individuals because the disease makes the infected person more susceptible to bacterial infection. In fact, it has caused several plagues, claiming the lives of as much as 20-50 million people worldwide.
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Mountain Lion also Called Cougar, Puma, or Panther Is Native American Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The entire body of the mountain lion is designed to be completely dead to its prey. The ears are erect, which allows the mountain lion to better hear anything or anyone within its vicinity. The front of a mountain lion, including its neck and jaw, are powerful and serve the purpose of holding on without relenting to even the largest of prey.
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Advanced Genetic Analysis Review Biology Assignment
5 pages (1391 words) , Download 1 , Assignment
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There is a negative correlation in penetrance of the bi-vulva mutation when lin-17 and lin-44 are combined. The polygenic factor, in this case, interacts to diminish the likelihood of expression. There appears to be a quantitative locus involved with this trait. 
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The Maintenance of the Osmosis by the Worm With the Marine Environment Biology Essay
5 pages (1437 words) , Download 1 , Essay
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The worm which was exposed to the 50% seawater was found to have increased in weight. This is due to the hypo-osmotic condition that prevailed in the body. The water concentration was higher in the environment and to balance with the environment, the water molecules moved from the higher concentration to the lower concentration.
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The Anatomy of Human Digestive System Biology Term Paper
6 pages (1500 words) , Download 2 , Term Paper
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Digestion starts with the processing of food mechanically in the mouth. Food is crushed and grounded by teeth, the process is called mastication. This increases the surface area that makes it easier for enzymes to break it down further.  Enzymes from the saliva also help to soften the food and break down carbohydrates molecules.
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Strengths and Weaknesses of Genetic Testing Biology Term Paper
5 pages (1571 words) , Download 2 , Term Paper
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Genetic testing is quite different from other types of clinical tests. As clinical tests are quite sure about the disease that they tested for and sometimes the complete blood report identifies all the diseases a person has and tells the amount of glucose, the amount of white blood corpuscles, etc but the genetic test only predicts the disease that a person may have.
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Role of Microorganisms in Various Processes Biology Assignment
9 pages (2364 words) , Download 1 , Assignment
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Some bacteria and viruses, which are pathogenic to insects, are used in pest control. For example, the bacterium Bacillus thuringiensis is used in the biological control of pests such as bollworms, cabbage worms, alfalfa caterpillars etc. This bacterium produces a protein called the Bt-toxin, which is harmful to leaf-eating larvae of these insects.
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Ocean Fishers Tuna-Dolphin Issue in the Pacific Ocean Biology Research Paper
8 pages (2000 words) , Download 2 , Research Paper
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Dependence of man on plants and animals for his dietary requirements renders human interference with the natural processes unavoidable. Interference, however; is not the same as damage. While certain interactions among living organisms are essential for ecological homeostasis, certain others affect homeostasis adversely 
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Is Global Warming Due to Human Actions Biology Coursework
8 pages (2159 words) , Download 2 , Coursework
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Facts and discussion presented in this paper are meant to illuminate the reality of the claim that “with the agricultural and industrial revolution, land-use change, and an increase in greenhouse gas concentrations in the atmosphere, the issue of global warming has regardless strengthened and acts like recycling, energy conservation, and tree plantation can help reduce this.
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Catching a Largemouth Bass Biology Essay
5 pages (2460 words) , Download 1 , Essay
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The Largemouth Bass, although not considered a great table fish, is the most popular of sport fish and are avidly pursued because of the excitement of their fight, often becoming airborne in their efforts to dislodge the hook. They are also one of the largest, attaining weights of up to as much as 10 pounds and in some instances double that with the US and World record standing at 22lb 4oz.
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Medical Microbiology Biology Essay
6 pages (1500 words) , Download 2 , Essay
In addition, the DNA in eukaryotic microbes is stored in the membrane enclosed nucleus. The term eukaryote extends beyond microbes, and in general refers to a cell type;
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Whales Facing Extinction Biology Essay
5 pages (1560 words) , Download 1 , Essay
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Various reasons lead to animal extinction. This paper will discuss the different reasons that are pushing the whales to death. It will also look at their habitats and feeding habits that might have triggered this move. It will also discuss the conservation efforts that are being put in place to ensure the survival of the whales.
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Biology and Human Behavior Biology Assignment
4 pages (1000 words) , Download 0 , Assignment
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As the paper outlines, the human species have somewhat changed for the past 100 years through natural selection, where many females have chosen stronger, smarter, and healthier males. This resulted in the multiplication of healthier and more intelligent individuals, who can produce more offspring who possess the same traits. 
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Kidney Stones, Radiology of Renal Stones Biology Assignment
7 pages (1750 words) , Download 2 , Assignment
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As a urological disorder, it is one of the most painful disorders patients experience.  Therefore, it is not unusual to have patients on opioid derived medications due to the extreme discomforts they experience.  Most commonly read books such as Harrison's Principles of Internal Medicine (2008)and Kumar and Clark's Clinical Medicine have extensive and useful information on the development. 
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Analysis of Genotypic Distributions within Six Population Groups Using Genepop Software Biology Assignment
4 pages (1000 words) , Download 2 , Assignment
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In these cases, while differences did exist, they were insufficient to warrant rejection of the Null hypothesis; ergo these populations possess alleles drawn from equivalent distributions. All other pairings between populations resulted in high differences indicating the different distribution of alleles. 
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The Discovery of the Theory of Natural Selection Biology Report
6 pages (1734 words) , Download 1 , Report
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It shall also describe how the discovery was made, including what was going on in Darwin's life to make the discovery.  It shall then present a description of deportation in terms of the modern evolutionary synthesis of the 20th century.  Finally, this paper shall also apply natural selection principles, explaining why we have the current problem of bacteria, which has become res instant to antibiotics. 
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Causes of Stomach Ulcer Biology Research Paper
6 pages (1928 words) , Download 1 , Research Paper
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It infers that the puncture in barrier functions of the stomach, i.e. mucous coating begins the formation of gastric or duodenal ulcers. Consideration of acid, pepsin, food, stress or worrying as the potential cause backside ulcer is proving impertinent. A stomach ulcer is principally caused by H. pylori bacteria.
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Fertility Awareness Method: Natural Family Planning Biology Essay
7 pages (2214 words) , Download 1 , Essay
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Pregnancy brings immeasurable happiness and a blessing to those couples or individuals who are ready and capable of raising a child. However, in today’s rapid population growth and challenging way of life, not all teams have a sufficient source of income to sustain the demands of having many children and not all individuals are ready for the demands of parental responsibilities.
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Interactions of Bacteria and Fungi on Decomposing Litter Biology Article
2 pages (855 words) , Download 3 , Article
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Other factors such as season, pH, and salinity of the aqueous medium and other environmental factors should be considered to test if the same effects can be produced in vivo.  It would also be helpful to study if the same species of fungi and bacteria can produce the same effect using other plant litter with a different cell wall composition.
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