Free Biology Essay Examples and Topics | Page 69

Nash Disease (Nonalcoholic Steatohepatitis) Biology Essay

5 pages (1250 words) , Download 2 , Essay

As much as jovial lifestyles are pleasant and admired by almost every individual, they cause forgetfulness of certain basic activities that an individual should abandon or adopt and cherish the more. Most people leading lavish lifestyles tend to forget the essence of exercise to the body, which may lead to contraction of diseases related to fat accumulation in the body and low blood pressure.

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Asepsis in Surgery Biology Essay

6 pages (1855 words) , Download 2 , Essay

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Asepsis is achieved by ensuring that all people who come into contact with the patient scrub their hands and wear sterilized gowns with disposable masks and gloves. In addition, the operating room air and equipment must also be clean. Asepsis is targeted at eliminating the possibility of infection while anti-sepsis is the use of chemicals to destroy germs already in the body or wound.

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The Hygiene Hypothesis Biology Essay

4 pages (1000 words) , Download 4 , Essay

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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.

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The Historical and Cultural Importance of Corn Biology Research Paper

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

Evidently, corn would not exist if it was not cultivated and preserved by human beings. Millions of people, especially those in America depend upon corn for their food. In fact, it is a cereal plant of Gramineae family wild grass called teosinte (History Detective: In the beginning).

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Undersea Release of Methane Is Under Way Article Critique Biology Essay

4 pages (1000 words) , Download 2 , Essay

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The article “Study Says Undersea Release of Methane Is Under Way” has been written by Cornelia Dean. It was published in the science section of The New York Times on 4 March 2010. The article is directed for climate experts who are analyzing the changes in the current global climatic patterns.

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The Anatomy of Human Digestive System Biology Term Paper

11 pages (2750 words) , Download 11 , Term Paper

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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.

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Osmosis Is Very Essential for the Biological Systems Biology Lab Report

4 pages (1142 words) , Download 4 , Lab Report

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Osmosis and diffusion are 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. In this experiment varying glucose concentrations of 0%, 10%, 20%, and 30% were placed in the cellophane bags against the distilled water.

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Homeostasis Biology Research Paper

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

What do we mean by maintaining control of the balance of the ecosystem? Ecosystems are fragile making it essential for a balance of the various life forms. For instance, rodents may multiply due to the influence of factors beneficial to their multiplication with the potential for upsetting the balance of the ecosystem.

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Breast Cancer Is There a Cure Biology Essay

3 pages (750 words) , Download 2 , Essay

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Breast Cancer, Is There A Cure? Cherry Hilliard Biology 210-07 Breast cancer, is there a cure? Breast cancer is one of the growing diseases among women all over the world. A lot of cures have been identified for the breast cancer in the recent years. Some of them have their side-effects, which in some cases are manageable and in other cases, are not.

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The effectiveness of Chemical Compounds in Brassica vegetables in the Prevention of Colorectal Cancer Biology Essay

5 pages (1250 words) , Download 2 , Essay

If diet is the cause, then diet might also be the solution, especially a diet on vegetables. Vegetables have been known to have potent chemicals that prevent and even cure cancer. Medicinal plants and their preparations are currently being used to treat various diseases including cancer, which is the second leading cause of human deaths in the world (Govind & Madhuri, 2011).

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Taxonomic Classification of the Okapi Biology Term Paper

3 pages (916 words) , Download 3 , Term Paper

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I am a solitary mammal found only in the upper Congo River Basin in Central Africa and I prefer altitudes of 500 to 1000 m. I am medium size, extremely shy and I have an average body length of 2.5m the average height at the shoulder is 1.5m and it is sloped with the forequarters much higher than my rear.

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Biological Weapons: Could Smallpox Be Used as a Weapon Biology Research Paper

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

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The use of biological weapons seems to have an immense contribution in the context of warfare and terrorism. This report primarily focuses on the use of biological weapons by the states and terrorists and their significant impacts on the lives of human beings.

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Strengths and Weaknesses of Genetic Testing Biology Term Paper

6 pages (1500 words) , Download 3 , Term Paper

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Strengths and Weaknesses of Genetic Testing Genetic testing examines the DNA molecule for any genetic disease or any illness present in the molecule. Chemical test including the product of gene such as enzymes and proteins also include in the genetic testing.

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Tissue Engineering and Regenerative Medicine Biology Essay

3 pages (750 words) , Download 3 , Essay

Many people die from cardiovascular diseases, as the only hope of survival in most cases is organ transplant. Heart transplantation is highly expensive and thousands of people die every day, waiting for an organ donor. For instance, about 15% of the patients in the United States die due to unavailability of suitable organ donors, and in 2003, only 15,000 out of 82,867 patients in the waiting list for organ transplants had actually received suitable donors (Bailesh, 2011).

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Factors that Affect Detachment of Bacteria from Biofilm Biology Research Proposal

2 pages (835 words) , Download 3 , Research Proposal

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Biofilms are complex structures that grow on boundaries between media, specifically the interfaces between liquid/liquid media, solid/liquid, and air/solid (Keevil, 2003). They contain a range of different microbes including, but not limited to microalgae, protozoan, and bacteria. Biofilms can contain pathogenic forms of microbes (Drake et al., 2005).

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The Positive Effects of Providing Patients with Information on Their Genetic Predisposition Biology Essay

9 pages (2694 words) , Download 2 , Essay

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This essay discusses the historic effect of the study of genetic predisposition to diseases and ways to increase its positive effects and decrease the negative outcomes for the Australian people. The information will especially be conveyed to the Australian Minister for Health and Ageing, Hon Nicola Roxon MP.

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Analysis of Aphids by Giving Reference to Their Living Habits, Food Pattern Biology Research Paper

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

Aphids can have a great destructive effect on plants and the aphid damage symptoms often include stunted growth, mottled leaves, yellowing, curled leaves, wilting, low yields, and early death. Researchers have identified that removal of sap impedes the active growth of plants and similarly the aphid saliva is highly toxic to plants.

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Microbiology class, answer for each question in 1 page Biology Essay

8 pages (2000 words) , Download 2 , Essay

For example, a bacterium Bacillus thuringiensis is used in the biological control of pests such as bollworms, cabbageworms, 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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Chloroplast: Structure to Function Relation Biology Essay

3 pages (750 words) , Download 2 , Essay

This is the principal and the universal mode of energy conversion to make it useful for the living organisms (Nelson and Yocum 521-565), and without this method of conversion, life on this planet would cease to exist (Nelson and Yocum 521-565). Therefore, it is only fair that the mechanism of the conversion as relates to the structure of the chloroplast be studied in order to determine the functional correlation with the structure.

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Osmosis And The Egg Biology Lab Report

4 pages (1000 words) , Download 3 , Lab Report

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One problem with the experiment was that only a single egg was used, so the effects of each individual liquid could not clearly be seen. For example, immersing in corn syrup appeared to cause water to leave the cell and can be seen through the decrease in size and mass, however, the amount of liquid only changed by 2ml.

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Is global warming due to human actions and can human race take actions to stop global warming Biology Research Paper

2 pages (500 words) , Download 4 , Research Paper

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Is global warming due to human actions and can human race take actions to stop global warming? This paper is primarily based on contemplating the issue of global warming on the grounds of the role played by humanity in increasing the incidence of global warming, while also discussing the existential possibility of any ways in which humans can acquire control over the grave consequences produced by this greatest environmental rival of all times.

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Is global warming due to human actions Can the human race take action to stop global warming Biology Research Paper

8 pages (2000 words) , Download 4 , Research Paper

From many unprecedented calamities to extreme weather changes occurring lately, scientists over the globe are getting increasingly worried and preoccupied with the catastrophic issue of global warming and its many bizarre effects on the living beings and the world itself.

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Extraction of Starch from Sago Palm as an Easier Alternative to Traditional Agriculture Biology Essay

3 pages (930 words) , Download 2 , Essay

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The research aimed at disproving the theory that “sago extraction is an intuitively and technically simple solution to food provision for those reluctant to adopt proper agriculture” (Ellen). This simply means that Ellen’s research wanted to prove that traditional sago palm was NOT an easier alternative to traditional agriculture.

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Literary criticism of article on The Ehics of Genetic Engineering Biology Essay

4 pages (1000 words) , Download 2 , Essay

This analysis is based both on a positive and normative account of genetic engineering given throughout the course of his paper, and it culminates in the suggestion that humans have nothing to fear from the implementation of new genetic manipulation techniques.

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The Focus and Peculiarities of Atkins Diet Biology Essay

4 pages (1317 words) , Download 3 , Essay

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Born on October 17, 1930, Robert Atkins (Bowden, pp. 20-23) laid the foundation stone for a revolution in the field of diet and health science by publishing his book “Atkins Diet Revolution” in the year 1972. Since then, until the year 2003, until the death of Atkins, he published over 17 books but it was during the last years of his life that his diet plan received widespread recognition and following.

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Effects of Caffeine on the Human Body Biology Research Paper

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This paper aims to provide information regarding the effects of caffeine on human body. Caffeine is a chemical compound most commonly associated with coffee even though substantial amounts of this chemical is present in other materials like tea, cold drinks and energy boosting drinks.

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Personal Statement/Biomedical science Biology Essay

4 pages (1000 words) , Download 4 , Essay

Aims and motives: The main driving force behind my choice of this course is not just my interest in the subject, but also my personal experience. Having suffered from asthma and vitiligo at an early age, I began questioning the human body and have always been curious to learn more about it.

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Natural Sciences: Create an Experiment on Cow's Milk Biology Assignment

3 pages (750 words) , Download 2 , Assignment

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Bottled water has a significant effect on the environment that is often underestimated. There is a trend towards drinking bottled water currently, with many people buying several bottles throughout the day. The idea is that this is either safer or healthier than water from the tap, which may be true in some cases.

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The Observations of Charles Darwin during the Voyage of the Beagle Biology Essay

4 pages (1045 words) , Download 3 , Essay

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The first observation was that there was significant variation within species; the second was that some variation was heritable, the third was that there were more individuals produced in each generation than survived, and the final observation was that different traits affected the survival of individuals.

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Justification and future work Biology Essay

4 pages (1000 words) , Download 3 , Essay

This knowledge has paved the way for the continuing development of drug therapy for cancer. Colon cancer is one of the most commonly diagnosed malignancies in the world (Zhang et al., 2009). The annual incidence of this type of cancer is around 1.0 million, and every year approximately 500,000 people are estimated to die on account of colon cancer worldwide (Keighley, 2003; Weir et al., 2003).

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The Uni-Cellular Amoeba Biology Essay

3 pages (993 words) , Download 2 , Essay

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This paper has highlighted the unicellular protozoan amoeba. The organism functions successfully in its environment because its organelle is structurally adapted to carry out basic life processes efficiently. The amoeba’s anatomy, physiology, ability to change shape for locomotion and nutrition, and the activities performed by its various organs.

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Effects of Providing Patients with Information on Their Genetic Predisposition to Diseases Biology Essay

8 pages (2491 words) , Download 2 , Essay

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Numerous ways and means have been identified to reveal an individual’s genetic predisposition to diseases; however, this research report evaluates the potential consequences of doing this and the ethical implications of this practice. Awareness of the genetic predisposition to diseases will trigger the notion of taking proactive measures to ensure health safety in the public.

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The Phenomenon of Harmful Algal Blooms Biology Essay

3 pages (750 words) , Download 2 , Essay

The Phenomenon of Harmful Algal Blooms The Phenomena of Harmful Algal Blooms Introduction Thousands of species of microscopic algae is present in marine and fresh water, which becomes the nourishing source for millions of aquatic lives.

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Nine Phyla of the Animal Kingdom Biology Assignment

2 pages (1007 words) , Download 2 , Assignment

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Only the members of the Phylum Cnidaria do not possess all three germ layers. When it comes to the number of species, no phyla can outnumber the arthropods, which include arachnids, crustaceans, insects, and other subphyla. As to the development of the fish, the armored fishes developed first, then followed by the jawless fishes, the cartilaginous and finally the bony fish.

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Explain how the relationship between the dose of drug given to an individual and the concentration of drug molecules Biology Essay

4 pages (1000 words) , Download 3 , Essay

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According to Goodman, et al. (2011, ch. 2), pharmacokinetics divides this journey into the stages of absorption and distribution. The term ‘bioavailability’ refers to the fraction of the dose of the drug given that reaches its site of action. Various characteristics of the drug molecule, the method of administration of the drug used, the route of the drug before it reaches the target receptor, the interactions between the drug molecule and body tissues other than the target, and the nature of the organ where the target receptor is located, all affect the bioavailability.

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Organ Systems & Evolution Biology Assignment

4 pages (1000 words) , Download 2 , Assignment

Atherosclerosis, or the buildup of plaque in the arteries, lead to heart attack. The blood vessels – veins, arteries and capillaries – differ in terms of both structure and function. The closed and open circulatory systems are then compared and contrasted, where particular importance is given to the fact that the closed system allows complete blood circulation.

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Fruits: A Dichotomy of Taste Biology Essay

2 pages (500 words) , Download 2 , Essay

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Fruits: A Dichotomy of Taste The amount of flora in the world has been increasing exponentially since life first took hold on the planet. There are many different types of plants that each has their own unique characteristics. Even though there has been extensive taxonomic classification of the world’s flora, there are still many isolated regions of the world where there are plants that have yet to be discovered.

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Environmental Problem And Solution Biology Research Paper

4 pages (1000 words) , Download 3 , Research Paper

This man made mayhem since pre-industrial period has caused the increase of greenhouse gases like carbon dioxide, methane, and nitrous oxide. These gases trap the infrared radiation from the sun in the earth’s atmosphere and emit it, warming the planet.

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Pesticide Use to Control Insect Infestation on a Grass Lawn and in a Farmers Field Biology Essay

3 pages (750 words) , Download 11 , Essay

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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.

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Causes and Treatment of Rabies Biology Research Paper

7 pages (1750 words) , Download 3 , Research Paper

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The study of this disease, its causes, and its symptoms, are important because till now, healthcare organizations have been ignorant about the proper treatment or preventive measures that can save several lives from this disease. It would particularly focus on rabies disease, the virus that causes it, the preventive measures, the symptoms, and treatment.

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Energy, Metabolism and Cells Biology Essay

3 pages (750 words) , Download 4 , Essay

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.

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Tackling the Incidence of Cardiovascular Diseases Biology Essay

3 pages (750 words) , Download 2 , Essay

Post Doctoral Research Proposal Novel Approaches in Tissue Engineering and Regenerative Medicine Tackling the Incidence of CVD by Your name University Affiliations Date Novel Approaches in Tissue Engineering and Regenerative Medicine Tackling the Incidence of Cardiovascular Diseases Cardiovascular diseases (CVD) are a growing cause of concern globally, mainly due to sedentary lifestyle encouraged by technology.

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Discuss how eukaryotic organisms came into existence Biology Coursework

6 pages (1500 words) , Download 2 , Coursework

The issue of finding the interconnecting species that can form a link between genetically and phenotypically distinct (Bacterial phylogeny, 2006) and often contradicting organisms and which can offer an explanation for the development of one species from the other is the cornerstone of research and investigation in this field, and the discovery of such linking organisms in the study of specific species has lead to exciting theories about the development of those organisms.

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Turritopsis nutricula (Immortal jellyfish) Biology Essay

2 pages (500 words) , Download 9 , Essay

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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

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Genetic testing/Genetic Screening Biology Essay

3 pages (750 words) , Download 6 , Essay

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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?

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Organic Food and Cancer Biology Research Paper

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

But more than its wonderful taste, Mediterranean cooking is also one of the healthiest in the world, thanks to the plant-based ingredients used in most of its recipes. “Picture a plate full of fresh vegetables, tasty grains, and fish or beans prepared with olive oil and sprinklings of herbs, spices, cheeses, and nuts, accompanied by a glass of red wine and some hearty bread” (Harvard Medical School 1) and you get a full Mediterranean meal.

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Grass Growth in the Presence of Salt Biology Lab Report

3 pages (750 words) , Download 3 , Lab Report

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.

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Isolation and identification of unknown bacteria Biology Lab Report

11 pages (2750 words) , Download 6 , Lab Report

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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.

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Microbiology review paper Biology Research Paper

4 pages (1000 words) , Download 3 , Research Paper

..……...5 Treatment…………………………………………...……6 Harris Kamran Microbiology Review Paper 24 July 2011 Dengue: A Review Paper Etiology and Vector: The isolation and detection of the etiologic agent of the dengue fever has proven to be difficult and elusive due to several factors (Halstead, 1965).

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The community ecology of the organism Biology Research Paper

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The interaction between sea otters, sea urchins and kelp forests has been studied as a model for the impact of predator-prey interactions on community ecology.Sea otters are keystone predators, whose presence has a far-reaching influence on the marine food web by affecting the populations of sea urchins, which indirectly affects the populations of kelp forests & other marine organisms.

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Biology Essays