Free Biology Essay Examples and Topics | Page 66

Ocimum Basilicum Laboratory Report Biology Essay

5 pages (1250 words) , Download 2 , Essay

Basil plants were planted in three samples of soils that comprised of typical potting, sand, and black soil. Their heights were measured after every seven days for a period of two weeks. The results of the experiment partially supported the hypothesis. The speed growth of basil plants in typical potting was attributed to environment.

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C-Difficile Research Paper Biology Research Paper

3 pages (750 words) , Download 2 , Research Paper

According to the studies made by U.S. Centers for Disease Control and Prevention, an estimate of 336,000 cases had been diagnosed positively with C. difficile infection in the year 2009. The 2009 report has shown an increase in the C. difficile spread as compared to the 139,000 diagnosed cases in the year 2000.

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Stem Cell Rubric Biology Research Paper

4 pages (1000 words) , Download 2 , Research Paper

Not surprisingly, ethical issues aroused from this development, prompting researchers to identify and to harvest adult stem cells (ASC), as well as develop induced pluripotent stem cells (iPSCs) by reprogramming specialized adult cells, although the latter is only used in drug development (National Institutes of Health, 2009).

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Embryo Ethics: The Morality Side of the Advancements in Stem Cells Technologies Biology Essay

3 pages (750 words) , Download 2 , Essay

Stem cells are cells that have the ability to reproduce on their own over a long period of time without being differentiated. They also have the capability to reproduce nonpermanent progenitor cells with a very limited capacity of proliferation. From the cells, a variety of highly differentiated cells such as blood, muscle, and neural cells form.

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Coral Reef Bleaching Biology Term Paper

3 pages (750 words) , Download 2 , Term Paper

Corals reefs tend to be of significant importance in the ocean environment because of various factors addresses in this paper. However, occurrences of bleaching damage the existence of the corals. Bleaching is the disruption of symbiosis that occurs between the coral hosts and its endosymbiotic zooxanthallae (Rosenberg et al., 2009).

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Effects of the Light Wavelengths Pea Germination Biology Essay

7 pages (1750 words) , Download 2 , Essay

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The light wavelengths come in a spectrum form in which the different light wavelengths are absorbed differently by the leaves during the process of photosynthesis. In this sense, there are specific light wave length that accelerates photosynthesis than the rest.

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Effect of Gradient on the Abundance of Ranunculus Repens Biology Coursework

8 pages (2000 words) , Download 2 , Coursework

Furthermore, doctors and specialist physicians recognized musculoskeletal disorder as the most commonly reported ailment. Its was very common disease compared to the other diseases that affected workers. This statistics raised a lot of concern on how was this disease is going to eliminated among the workers.

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From Cells to Consciousness Critique Biology Assignment

2 pages (609 words) , Download 3 , Assignment

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Most closely associated with the caudate nucleus is the putamen, which is inferolateral to it. These two structures are collectively called the striatum, and inferior to them are the other parts of the basal ganglia: globus pallidus, subthalamic nuclei and substantia nigra. The graph shows the average concentration (mM) of four candidate HD indicators (1-4).

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Mendel and Darwin are the Fathers of Molecular Biology Biology Coursework

4 pages (1000 words) , Download 3 , Coursework

Mendel performed a simple experiment using a pea plant and 4 o’clock flowers. He first bred the white and purple colored flowers. The first progeny were all purple in color. Mendel went ahead and inbred the pink flowers and the results were astounding. Seventy five percent of the flowers were purple and twenty-five percent were white flowers.

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Data Interpretation Exercise Biology Essay

6 pages (1500 words) , Download 2 , Essay

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Based on WHO and international diabetes Federation diabetes diagnostic criteria, (1999), patient DM is normal since the glucose levels are below 6.1mmol/l during fasting while after fasting the levels are within the range of 6.1mmol/l to7.0 mmol/l which is the border line for impaired fasting glycaemia.

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How does Interferon work Biology Essay

4 pages (1000 words) , Download 3 , Essay

Numerous researches and experiments are being undertaken to discover a cure for AIDS. An old drug that was used before now opens new possibilities in the treatment of this pandemic. This drug that resulted from biotechnology is derived from a naturally occurring protein in the body called interferon (Bardi par.1, 2, 4; Kallings, 218; Gallo).

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The Effect of Selective Loggin on Bird Population Biology Essay

4 pages (1000 words) , Download 3 , Essay

However, selective logging still has the potential to affect the biodiversity and populations, as it creates small gaps within the environment . These gaps can affect vegetation growth, which are thought to be a key driving factor in the prevalence of bird species .

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Genetics Science Fiction Biology Essay

2 pages (500 words) , Download 2 , Essay

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Free at last. Jason pulled his scarf tightly over his mouth and eased his way round the corner. Floodlights illuminated the grass on the right but the long pathway ahead and to the left was in deep shadow. He jumped in fright when the Chicago to Memphis train roared past on the Amtrak line nearby.

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All Processing Beneath Conscious Awareness is Carried out by Subcortical Structures Biology Essay

3 pages (750 words) , Download 3 , Essay

It is a process that requires one to employ full involvement of the person’s deeper mind that prevails in the heart region. It entails more than just raising intellectual awareness via knowledge, but takes a person into a deeper level. This process enables a person to acquire absolute wisdom, energy, quick evolution and direction.

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Genetic Fingerprinting in Paternal Testing and Forensic Science Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

The technology used to ascertain genetic fingerprints varies, but predominantly relies on polymerase chain reaction (PCR), which is explored in some depth here. Although there are problems with genetic fingerprinting, this paper finds that the usage of the technology in these situations is incredible useful and one of the more reliable forensic techniques.

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The Green Anaconda Biology Essay

3 pages (750 words) , Download 2 , Essay

The males weigh less, 325 lbs and grow to a length of 20 feet. They are organized in different groups including Kingdom Animalia, Order Squamatia, Subfamily Boidae and Species Murinus, Eunectus beniensis, Eunectus deschauenseei, Eunectus murinus and Eunectus noteaus are the four species of this type of snake.

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Addiction is a Brain Disease Biology Research Paper

5 pages (1250 words) , Download 4 , Research Paper

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Addiction Is a Brain Disease Over the years, the number of types of addiction has increased. An addicted person is said to be one who has no control over the things he/she does, uses or takes. It is not just in physical things such as alcohol but also anything else for example, shopping.

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Pathologies Dementia Can Result Biology Research Paper

8 pages (2269 words) , Download 5 , Research Paper

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The functioning of the cerebral hemisphere is affected in this condition and thus the day-to-day performance of the individual greatly suffers as a result of dementia. Dementia can result owing to many underlying pathologies which include Alzheimer's disease, Huntington’s disease, and Creutzfeldt-Jacob disease. There is no definitive cure for this disease but early diagnosis can make a difference.

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DNA Fingerprinting Biology Research Paper

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Name Institution Course Instructor Date DNA Fingerprinting Abstract DNA fingerprinting is a laboratory procedure that has proved very useful in personal identification. With its wide applications, it is causing a revolution in the modern world. Typing of DNA presents unique profiles for each individual except identical twins.

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Hormones in the Environment Can Cause Male Infertility Biology Research Paper

4 pages (1000 words) , Download 2 , Research Paper

These compounds can be either synthetic or natural. EDCs differ in size, potency, chemical life cycle, amount, and effects. Many are chemicals produced for specific purposes and are used in pesticides, plastics, cosmetics, electrical transformers and other products.

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Philosophy of Science is about as Useful to Scientists as Ornithology is to Birds Biology Essay

15 pages (3750 words) , Download 2 , Essay

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Philosophy of science is a field that seeks to understand the underlying foundations, assumptions, methodologies, and implications made in science (Rosenberg, 2005:53). Philosophers of science are out to validate works of science using reasoning and logic.

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Gastrointestinal Diseases Research Paper Biology Research Paper

5 pages (1250 words) , Download 4 , Research Paper

While most of them seek medical attention others ignore the problem. They dismiss it as a mere hurt burn or a negative body response to a certain diet. So they try to avoid certain foods in an attempt to maintain comfort in their tummies. This write up will explore three gastrointestinal diseases that affect human beings and proceed to explain ways of contracting the diseases.

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Obesity, Sleep Apnea and Cognitive Functions in Children Biology Research Paper

4 pages (1000 words) , Download 2 , Research Paper

Sleep apnea is a condition that involves disturbed or extremely shallow breathing during sleeping periods, which can cause a number of problems that may negatively impact the sufferers way of life (Chan et al, 2004). The links between sleep apnea and obesity are fairly well-researched, and there are suggestions that it is the extra weight on the chest area that causes the phenomenon by making it more difficult for the individual to breathe when lying down (Clark, 2005).

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The Virgin Komi Forests Biology Essay

6 pages (1500 words) , Download 2 , Essay

(Gawthrop, 1999). The Virgin Komi Forests have been designated a natural UNESCO World Heritage site, particularly because of their status as a large virgin forest and because of the abundance of IUCN Red Listed and iconic species living in the area. Recognized in 1995, it was the first UNESCO site in Russia, again illustrating the importance of this site, the environment and the species within it (Bobretsov & Yakushev, 2008).

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Description of Bird Flu Biology Research Paper

3 pages (904 words) , Download 2 , Research Paper

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The many subtypes of influenza A virus and most of their strains are adapted to birds and this makes the influenza A virus the bird flu virus. However, this adaptation is not exclusive. Instead, strains of influenza including influenza A are adapted to different species and that is why bird flu can also be transmitted to humans.

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Sickle Cell Disease Biology Research Paper

5 pages (1250 words) , Download 5 , Research Paper

The diseased individuals inherit the genes from their affected parents and pass it on to their offspring. In sickle cell disease, abnormal haemoglobin S replaces the normal haemoglobin A due to alterations in the genes. The function of haemoglobin is to transport oxygen and deliver it to the different organs and cells of the human body.

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Patient Scenario: Diagnosed with Prostate Cancer Biology Essay

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1. What are the components of physical examination? Describe each component. The physical examination for prostate cancer has two main components, namely Digital Rectal examination (DRE) and measuring blood levels of Prostate Specific Antigen (PSA). Digital Rectal examination is undertaken as a part of annual examination to directly palpate the prostate and check for abnormal texture and presence of lumps.

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Aerobic Cellular Respiration in Isolated Mitochondria of Lima Bean Seeds Biology Lab Report

6 pages (1500 words) , Download 3 , Lab Report

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A basic concept in cellular respiration is the transfer of chemical energy (electrons) from an electron donor to an electron acceptor. Most of the organisms use oxygen as the final electron acceptor although some organisms (eg. Yeast) use other alternatives.

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Answers to Evolution Questions Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

Variation can be with respect to behaviour and appearance (Solomon, Berg & Martin, 2004). Inheritance - Some traits in organisms are passed on from parent to offspring while other traits are a result of environmental conditions. Heritability of traits influenced by external conditions is very weak.

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Biochemistry and Molecular Biology Biology Coursework

6 pages (1500 words) , Download 4 , Coursework

The present study has taken into consideration certain molecular processes and thus presents a detailed report on the study conducted on the topics as reflected in the further sections. 1. Functions of Water in Biological Systems: Scientists have long been interested in understanding the role of water in the biological functions focusing immensely on the structure and properties of water as well.

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Is Artemisinin-Based Combination Therapy a More Efficacy Way to Cure Malaria Biology Book Report/Review

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Malarial endemic conditions vary from country to country based on the malaria epidemiology and the level of the control program implementation in those countries. 300 – 350 million cases are found to be caused by malaria with a mortality rate of 2-3 million deaths per year (Gbotosho et al., 2011).

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Biological Factors and Feeding Behaviors Biology Essay

6 pages (1500 words) , Download 2 , Essay

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Biological Factors and Feeding Behaviors Introduction Biological factors have been proven as preconditions or progenitors of actions. This is true in all animals and the human species. Specific body parts and their functions, including the chemical reactions that transpire within a body - they control behaviors.

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Darwin and Evolution Biology Assignment

3 pages (750 words) , Download 2 , Assignment

Exam 01 Question One Evolution means the modification of living organisms through time as they descend from their ancestors, generation after generation. The ancestors of various species look different in their structure, behavior and physiology far back in time.

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Emerging Infectious Diseases Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

Emerging diseases are then categorized as newly emerging diseases, deliberately emerging and re-emerging diseases on the basis of their course or incidence and the occurrence according to time and place (L.Guerrant et al 2011). Recent researches and studies have brought into light many emerging infectious diseases which are both a serious threat to human health and require medical interventions and preventive measures.

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Does a Persons Own Natural Microbial Gut Flora Contribute to Obesity Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

These efforts have been able to establish that the human gut is a natural habitat for a significantly dynamic and large bacterial community. Despite the fact that some of these bacteria are still under investigation, and are yet to be well described, the effects and relevance of most of them on the pathology and physiology of their hosts are clearly understood.

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Cancer Biology Research Paper Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

There are several reasons why a person is inflicted with this disease though a very definitive cause has not been established for all cancers and it is also known that not all forms of tumors are malignant and dangerous. When cancer really spread in the body, they may also enter through the lymphatic system or bloodstream to sites other than the major organ where these cells lie (Cairns et al 2011).

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Stem Cell Research Biology Essay

3 pages (750 words) , Download 2 , Essay

Interestingly, adult individuals retain some pluripotent cells, from which cells for replacement of damaged tissues can be derived. Thus, fibroblasts, muscles, red blood cells, or nerve cells can stem from a pluripotent stem cell upon initiation of specific physiologic conditions (National Institutes of Health, 2009).

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Biology - Down's Syndrome Biology Term Paper

9 pages (2250 words) , Download 2 , Term Paper

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With its horrible mental and physical symptoms, Down syndrome is certainly a huge concern not only for medical professionals and for medical science but especially for the parents of those affected with this deadly and incurable genetic disorder.

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Signs and Symptoms of the Disease Oral Herpes Biology Essay

4 pages (1246 words) , Download 3 , Essay

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Herpes simplex viruses, otherwise known as herpes or HSV, are classified into herpes simplex virus type-1 and herpes simplex virus type – 2 (Bridges). Herpes simplex virus type 1 commonly causes sores around the mouth and lips. For this reason, it is called oral herpes, herpes of the mouth, herpes labialis, fever blister and cold sores (Bridges; Davis).

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Typical Cell as the Fundamental Unit of Life Biology Term Paper

5 pages (1250 words) , Download 2 , Term Paper

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Some cells are organisms onto themselves, like bacteria and amoeba cells. Others function as part of a large organism. The cell is the simplest and smallest basic unit of animals and plants. Some organisms are unicellular, that is, consisting of a single cell like the bacteria, while others are multi-cellular, incorporating many cells, like humans.

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Sickle Cell Trait Biology Research Paper

3 pages (750 words) , Download 3 , Research Paper

The article describes the condition of Ryan Clark, safety of Pittsburgh Steelers and the reason why he has been restricted from playing in the upcoming game against the Denver Broncos. The writer has described the limitations a professional player has to face because of sickle cell trait and has also highlighted the underlying pathology of the blood disorder.

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The Roles of Amino Acid R-groups in the Structures and Functions of Transmembrane Ion Channels Biology Research Paper

4 pages (1000 words) , Download 2 , Research Paper

They comprise of elements like carbon, oxygen, nitrogen and hydrogen. All amino acids have two groups, i.e., carboxyl written as COOH and amino NH2. The examples of amino acids and their molecular weights: Alanine with a molecular weight of 71.09 and solubility of 16.65, glutamine having a molecular weight of 128.14 and solubility of 3.53, Asparagine with 115.09 molecular weight, Histidine having 137.14 molecular weight just to name but a few (Meisenberg 19).

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The Lungs Research Paper Biology Research Paper

3 pages (750 words) , Download 3 , Research Paper

The Lungs: Anatomy, Physiology and Diseases. The lungs are the respiratory organs of the body. They are two in number and are located within the protective rib cage of the thorax. The surface of the lungs is covered by a serous membrane called the pleura.

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The Reflex Arm of Behavior Biology Research Paper

4 pages (1000 words) , Download 2 , Research Paper

Aside from that, its characteristic aloofness, intelligence and cleverness have made it a favorite subject of animal studies. The Reflex Arm of Behavior The study of communication and behavior should first bear in mind the factors that influence them. In cats, as well as in other animals, it should be noted that the absence of higher levels of thinking such as discernment and problem solving implies that most of their body language depends on reflex reaction to a present stimulus (animal.discovery.com).

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Plant and People Biology Term Paper

9 pages (2250 words) , Download 3 , Term Paper

Opium poppy has a complex history as it has brought great problems, as well as great benefits to the human society (Lee et al., 2011). This is, probably, among the earliest medicinal plants that human beings had discovered. In the present day, cultivation of opium poppy takes place in many countries worldwide, notably Turkey, Poland, Holland, Romania, Iran, Afghanistan, Canada, just to mention a few (Moraes & Moraes, 2003).

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Cardiovascular Fitness (Designing an Experiment) Biology Essay

3 pages (750 words) , Download 2 , Essay

The study hypothesized that excess weight will change cardiovascular fitness by increasing the pulse rate and recovery time. The mean of the four replicates recording of the measurements were taken as the sample size to validate the results of this study.

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Oncogenes and Breast Cancer Biology Term Paper

6 pages (1500 words) , Download 2 , Term Paper

Studies reveal that tumorigenesis is responsible for proliferation of cancer. In case of breast cancer a variety of proto-oncogenes, such as c-myc, c-erbB-2/neu have been identified. After the human genomic project, research has taken new paradigms to understand the gene-expression and analysis.

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A Report on the Foraging Behavior among the Chameleon Species Biology Research Paper

5 pages (1250 words) , Download 2 , Research Paper

Chameleons are naturally found in forests and jungles across the Sub-Saharan Africa, Asia and some parts of Europe. Some chameleon species have also been introduced in certain habitats in America and other pats of the world. Chameleons belong to the class Reptilia, order Squamata, suborder Iguania and family Chameleonidae with two subfamilies; subfamily brookesiinae and subfamily chamaeleoninae (Chameleon forums.com) There are more than 200 known species with varying morphological and behavioral characteristics though most are considered to be under threat of extinction or endangered.

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The Evolutionary Origins of Smallpox Biology Essay

4 pages (1000 words) , Download 2 , Essay

The medical history of smallpox is a history of indescribable human anguish and suffering, surprising human ingenuity and eventually unprecedented human victory. It was spread by an obscured virus, and infected a single person as well as entire community and it proved terminal to virtually one-third of its victims.

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Energy Efficient Food System Biology Essay

3 pages (750 words) , Download 2 , Essay

Apparently, the increase in food demand in the recent years has seen the food-energy relationship enter a new era which could prove fossil resources as an insufficient mode of energy production in the food system. A food system here refers to all the work, research and processes involved in making sure that a population is well fed incorporating a balanced diet.

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Biology Essays