Free Biology Essay Examples and Topics | Page 54

How does modaifnil work in the brain Biology Essay

3 pages (750 words) , Download 2 , Essay

This drug possesses similar traits to amphetamines and improves the previously mentioned conditions by stimulating neural activity. According to its chemical structure and properties, Modafinil may be classified as a CNS stimulant however; the drug interestingly is not accompanied with side effects that are observed after usage of drugs in the same classification (Saletu &Saletu-Zyhlarz, 2013, 231).

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Atom and Animal and Plant Cell Biology Essay

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There are also scientific theories suggesting the evolution of single-celled organisms into multicellular ones. Scientists have discovered that a large number of the oldest cells are bacteria which are unicellular. Hence, this has raised questions on the origins of multicellular organisms and given birth to the theory of cellular evolution.

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Discuss the maintenance of altruism in the social amoeba Dictyostelium doscoideum Biology Essay

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The control of cheating aids in understanding the changes in evolution. High relatedness entails the distribution of co-operators and cheaters into different groups that would reduce the ability of cheaters to exploit co-operators, as well as reveal the defects of cheaters at the group level in the natural selection.

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Role of poultry in the global supply of meat Biology Literature review

16 pages (4000 words) , Download 2 , Literature review

An investigation will be made to see if animals are provided a safe environment to breed and if not then how could it be. The paper will explore the trade of poultry products between other countries and what restricts the trade and puts barriers across countries.

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Industrial production of laccase Biology Essay

4 pages (1000 words) , Download 2 , Essay

These enzymes are copper containing and have the ability to catalyze the oxidation of inorganic and organic substrates including polyphenols, mono-, di -, amino phenols, methoxy phenols, aromatic amines and ascorbate. According to Desai(2011,pg 543-49) “Laccases (benzenediol: oxygen oxidoreductases, EC 1.10.3.2) are multi-copper enzymes belonging to the group of blue oxidases”.The capacity of laccases to oxidize phenolic compounds and their ability in reducing molecular oxygen to water had encourage its deep study by scientists and researchers.

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The Innate and the Acquired Immune Responses Biology Essay

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The innate immunity components include; anatomical barriers, tissue bactericides such as complement, intact normal flora, as well as, the ability to experience inflammatory, and, phagocytic responses. Innate immunity identifies bacteria, removes the cells that are dead, and recruits cells to the infection site.

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Genetically Modified organism uses and applications Biology Essay

4 pages (1000 words) , Download 2 , Essay

For the natural, a gene penetrates into another cell and result to not only a natural but also a modified organism. Artificially, the organism has been far much developed depending on the required characteristics. There are many diverse ways used to move the genes to produce desirable results for both plants and animals.

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Save the world proposal Biology Essay

3 pages (750 words) , Download 2 , Essay

Endangered species are those considered to be at a higher risk of extinction or facing removal from the earth surface as a result of a number of activities. Panda also known as Ailuropoda melanoleuca is one of the animals currently classified as facing the harsh pangs of extinction and is currently classified as endangered species (Gong & Donald 246).

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Cloning of Pig Cells Biology Essay

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Cloning is a technology that has attracted increasing research because of its potential benefits. Cloning involves the production of organisms that are genetically identical to the donor organism. The production of clones occurs through two distinct procedures namely nuclear transfers and splitting of multicellular embryos.

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Membrane filtration (expriment) Biology Lab Report

5 pages (1250 words) , Download 2 , Lab Report

Pathogens present in water are causal organisms of gastrointestinal trouble encompassing typhoid, dysentery and cholera. Essentially, waste water should be treated and purified before disposal. Bacteriological assessment of water purification methods that supply potable water is also imperative to follow the norms set by the Environmental Protection Agency (EPA).

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Electroencephalography Lab Report Biology Lab Report

8 pages (2000 words) , Download 3 , Lab Report

More specifically, it comprises of action potential recordings and cortical cell postsynaptic potentials. The potential of various cells is measured at similar times. The neuron potential in the brain can differ as emotional, mental function, and physiological state.

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Saving the World - Panthera Tigris Biology Essay

3 pages (915 words) , Download 3 , Essay

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Tigers are most identifiable by the pattern of dark perpendicular stripes on their reddish-orange fur coupled with a lighter underside. In captivity, as well as in the wild, tigers live for approximately 25 years. As highly solitary yet social animals, tigers typically require massive land spaces so as to support their prey needs.

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Treatments for Type 1 Diabetes Mellitus Biology Research Paper

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Type 1 is treated non-surgically with insulin replacement – normally through an insulin pump or insulin injection, along with dietary management, usually including vigilant monitoring of blood glucose levels with the use of glucose meters and carbohydrate tracking.

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BPA fetal exposures affect male and female development and quality of life as adults Biology Research Paper

7 pages (1750 words) , Download 2 , Research Paper

For the last 10 years, a lot of scientific evidence has emerged regarding the health implications linked with BPA exposure, particularly during the prenatal stage when development is at its peak (Rubin 29). While a vast majority of BPA ingested through food becomes metabolized speedily into a relatively inactive form without causing estrogenic effects, a small proportion of active BPA remains in the bloodstream following digestion.

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Autoimmunity and risk of cancet Biology Essay

4 pages (1000 words) , Download 3 , Essay

Despite considerable advancements in understanding the nature of autoimmune disease; the vast majority of immunologic processes require further research to clearly delineate the etiological basis of this disease group (Shoenfeld & Gershwin, 2000). Examples of autoimmune diseases are Grave disease, rheumatoid arthritis, Type 1 diabetes, Multiple sclerosis, SLE and myasthenia gravis etc (Pritchard & Korf, 2013).

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Effects of Drugs on Neurotransmission Biology Essay

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The systems are made up of various organs of the body, for example, the respiratory arrangement includes the lungs and the nose. Each of these systems performs different functions from others, but they are interconnected by tissues and fluids. The fluids hold body cells and ensure that they are alive at certain conditions.

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Human and Animal Interrelationships Biology Admission/Application Essay

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The nature and scope of the relationship have, however, been differing depending on the type of animal and the benefits an animal has to humans. This relationship has been conceptualized in terms of bringing animals into the human realm. Conventionally, the relationships between humans and animals that have been regarded as domestic are very variable in respect to control of specific animals such as honey-bees, elephants, cats, horses, and cattle among others (Marchello 11).

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Myocardial infarction Biology Case Study

3 pages (750 words) , Download 3 , Case Study

As atherosclerosis progresses toward the acute stage, it triggers myeloid cells destabilization in the artery walls which makes them rupture. This cause stroke and infarction. This research shows that the response to ischemic damage makes acute atherosclerosis to get worse.

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The structure of a typical plant cell Biology Essay

6 pages (1500 words) , Download 2 , Essay

With the aid of chlorophyll the green coloring on the leaves, plants utilize the natural sunlight together with water and carbon dioxide to produce carbohydrates and sugar contents necessary for their sustainability. In contrast to animal cells, plant cells are enclosed by a protective cell wall structures, which constitutes of nuclear and other diverse components (cell organelles) found within the protective wall otherwise known as the membrane (Liu 2011).

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Does Type A Behavior Exist Biology Assignment

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The contemporary assessors have asserted that Type A behavior is one form of psychological stress that creates hypertension in the person’s normal life setting (Coon & Mitterer, 2010). This extends further to cardiovascular problems as if the stress behavior prevails and continues with the person for a longer period of time.

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Mice oxygen consumption rate Biology Essay

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Endothermic animals (warm blooded animals) include all mammals and birds. Endothermic animals are capable of sustaining a constant body temperature over a comparatively broad range of ambient temperature through thermoregulation attained via proportional modulation of endogenous metabolic heat production.

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Why Fast Foods Can Be Bad For Your Health Biology Research Paper

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Why Fast Foods Can Be Bad For Your Health. Fast foods are a controversial topic among many. There are claims that they can be bad for your health for a number of reasons, including high salt levels, high fat levels, dangerous additives and the fact that they are seen to be addictive (French et al, 2004).

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Biology of Food Biology Essay

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According to the food pyramid, natural ecosystems have so much mass of herbivores than carnivores. This is because green plants are the feed of all herbivores and the carnivores depend on the herbivores for food. Besides, not every plant gets eaten. Taking care of an animal for consumption is 16 times more energy.

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Generating Graded Potentials Biology Essay

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Reynolds in 1969 showed that stimulation of Periaqueductal Grey and Nucleus Raphe Magnus leads to strong inhibition of pain. LeBars and colleagues later in the 1970s postulated the diffuse noxious inhibitory controls theory. This theory postulates that a localized nociceptive stimulation causes an analgesic effect on the rest of the body.

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Human and Animal Interrelationships Biology Term Paper

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

Name Instructor Course Date Significance of Human and Animal Interrelationships Since time in the past, there has been existence of human and animal interrelationships. The level of dependability exists throughout the well-being of both human and animals. Various reasons contribute to changes in the interrelationships.

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How Horses were still used in WWI Biology Essay

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But, the ancient warrior’s image cannot be completed without a living mode of travel. The idea of having a horse was equivalent to sporting a high technology car in the current times. The horses are considered a meaningful part of Armed forces parade ceremonies even in the modern era of the 21st century.

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Animal Biology Book Report/Review

5 pages (1250 words) , Download 3 , Book Report/Review

The paper attempts to explore how the disease affected Europe during the time and then in subsequent years. The bubonic plague is known as a rat disease because it is not found at the places where rats are absent. Rats are hosts of a pathogen – a kind of bacillus known as Yersinia pestis.

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Hypertension and its Symptoms Biology Essay

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Research studies have been conducted to find ways to leverage hypertension management through Information Technology. The Agency for Healthcare Research and Quality (2013) is currently involved in research to test the effectiveness of a technological solution in hypertension referred to as an e-health blood pressure control system.

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De-oxy-ribonuclease enzyme Biology Research Paper

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

Proteins play critical roles in the cell, a factor that has helped scientists appreciate the salient significance of these molecules. Some cell proteins serve as enzymes, a role that involves the catalysis of all cellular processes. Proteins exhibit a high level of specialization, a factor that is evident in the structure and function of enzymes in the cell.

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Activation of inflammasome Biology Dissertation

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Ataxia telangiectasia is a multi-organ system autosomal recessive condition characterized in part by disorders of the adaptive immune system. It is an autosomal recessive disorder effecting either the innate or adaptive immune systems leaving the organism vulnerable to opportunistic infections.

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Change in milk bacterias and the effect on teenage girls Biology Research Paper

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

Scientists, however, have proven beyond any reasonable doubt that indeed such bacteria exist in milk. The list of these bacteria is endless, and the diseases caused by them have had extensive effects on the human body functioning. Change in milk bacteria has been found to affect the prevalence of a number of diseases.

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Genetics and Society Biology Book Report/Review

4 pages (1000 words) , Download 2 , Book Report/Review

These advances have, however, been realized along with significant effects to human beings and to the very society that they live in. It is not enough that genetics has played a vital role in human nature but that that it has also proceeded to affect the very way in which human being socialize.

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Human and Animal Interrelationships from Domestication to Presen Term Paper Information Biology Essay

4 pages (1000 words) , Download 2 , Essay

In the process, they discovered a durable wooly skin that could protect them from cold, heat, rain, and wind. The wooly skin also kept the primitive man cool during a hot sunny day and warm during the cold, windy night. In addition, the wool helped in absorbing moisture without necessarily feeling wet.

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Biology of NKT Cells Biology Research Paper

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Natural killer T cells are unique CD1d-restricted T lymphocytes that function as a bridge between innate and adaptive immunity. Based on their TCR usage and lipid antigen specificity, NKT cells have been divided into two subpopulations, type I and type II.

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Conflicting Values in the Management of the Overpopulation of Wolves Biology Essay

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The author states that in areas where their population density is high, they become a threat to humans, ungulates, and other livestock. Thus, their ultimate fate depends on the ability of humans to coexist with them and protecting their “biological requisites”. The gray wolf has been placed under the category of threatened in Minnesota.

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Metabolite Processing Biology Essay

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As the paper outlines metabolic reprogramming enables the cells to synthesize specific metabolites in an uncontrollable manner. The scientists have identified many metabolites related to cancer. Some of the most important molecules are phosphocholine, glycine, glutamate, aspartate and essential aminoacids.

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Medical marijuana and its impact on the mind, body and society Biology Term Paper

7 pages (1750 words) , Download 2 , Term Paper

State medical marijuana laws indicate group-level support for cannabis, as they permit marijuana use, when endorsed by a physician for medical functions, for instance, mitigation of nausea and vomiting from chemotherapy, “wasting in AIDS patients,” and chronic pain that is not receptive to opioids (Cerda et al., 2012, p.23).

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Genetic Engineering of Garcinia Biology Essay

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Since Garcinia is taken for health purposes it needs to be ingested. If GM Garcinia Cambogia is introduced the percentage of people opting for the GM version at first would be low since most people will be unsure about the possible side effects or other health effects that GM crops may have on the health of a person or on the human body itself.

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Giardiasis - Symptoms, Prophylaxis, and Treatment Biology Essay

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The Center for Disease Control and Prevention (CDC) has focused on intensive research in its bid to prevent the prevalent infection in many lands. This paper will describe the parasite that causes Giardiasis, symptoms of the infection, prophylaxis, and treatment. Giardiasis is an infection of the gastrointestinal tract.

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Treatments that target specific gene/gene product/gene regulation and how they work Biology Article

5 pages (1250 words) , Download 2 , Article

Esophageal cancer is considered to be one of the deadliest cancers worldwide. Significant changes have occurred in the epidemiological pattern of the disease. The advancements in staging and diagnosis of disease have increased the life span of the patients suffering from esophageal cancer (Matteo Fassan).

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Level of Faith We Have in Technology Biology Essay

19 pages (5568 words) , Download 3 , Essay

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People nowadays use mobile phones to access religious texts such as e-books, unlike the tradition whereby one would move around with heavy books. There are also mobile Apps that can give members easy access to the bible and other holy books such as the Koran. Some religious leaders use such Apps to carry out their sermons.

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Different Aspects of Breast Cancer Biology Essay

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Cells are the basic elements that create tissues in the body. Research (McPhee & Tierney, 2007, pp. 23-39) has indicated that the body often starts creating wrong cells that damage the body by building a mass of damaged tissues called a lump or a tumor. Breast cancer refers to the disease when a lump or tumor forms in the part of the breast.

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Dementia And The Elderly: Clinical And Social Implications For The Future Biology Term Paper

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

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The term “dementia” refers to a range of conditions in which the memory function is impaired, resulting in difficulty for patients in reasoning, in communication with others, and as time progresses, increasing difficulty in coping with the demands of everyday life. Alzheimer’s disease accounts for the majority of late-onset dementia.

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Biodiversity at Shedd Aquarium Biology Research Paper

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This term denotes the diversity of life and its usage implies the existence of different species, ecosystems, and genetic variations. Research reveals that there are multiple reasons for the conservation of biodiversity in its complex form. Different organizations have taken a leading role in preserving the biodiversity.

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Differentiation of Microorganisms Biology Lab Report

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The secondary purpose was to differentiate the general selective, purpose, and differential media, and give illustrations in the form of examples, and describe the conditions under which they are useful. In enzymes experiment, its primary objective was to assay the culture of bacteria to find out if certain enzymes are developed or produced.

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Analyzing Article on the Origin of Modern Man Biology Article

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Their traits are partially similar and sometimes very similar to that of the modern-day man. The best way to determine the extent of accuracy of the ancestral relation and closeness of each fossil to one another and that to the modern man is by genetic studies. It is already established that the modern man must have come from some common ancestor.

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The Domestic Dog: Its Evolution, Behaviour, and Interactions with People Biology Book Report/Review

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Scholars have long sought to point to a time in the fossil record where humans first began to domesticate the dog. However, contrary to what many evolutionists and archaeologists previously believed, is now largely understood that the first step towards the domestication of the dog was in fact the domestication of the human.

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Biomedical engineering Biology Book Report/Review

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This comprehensive article provides an in-depth outlook on several areas about which not much optimum quality research could be found in the past studies which explains why it is worth reading to familiarize oneself with the exceptionally insightful content it contains.

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The Diverse Ways in Which the Development of Second Generation Sequencing Technologies Biology Essay

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Dideoxy terminated DNA fragments that were synthesized in different bases, for example, A, C, T, or G. The fragments then, underwent size separation for purposes of reading the sequence of DNA. On the other hand, DNA barcoding involves characterizing or categorizing species by applying a short DNA sequence using an agreed position concerning the genome.

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Human and Animal Interrelationships from Domestication to Present Book Report Guidelines Biology Essay

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The book highlights the relationship between animals and humans. In each chapter, the relationship between humans and the dogs changes. This paper will give a summary and analysis of each chapter. Chapter One In chapter one of the book, the author introduces the reader to the life of Buck, who is a beloved pet at the homestead of Judge Miller in Santa Clara.

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Biology Essays