Free Biology Essay Examples and Topics | Page 55

Human and animal interrelationships Biology Essay

5 pages (1250 words) , Download 2 , Essay

It is, firstly, a beautifully written story, but it is, also, filled with philosophy and common perspectives of the time that it was written, the early 1970s. This novel was chosen because it offers a unique and, more realistic, relationship between human beings and animals.

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A Silurian placoderm with osteichthyan Biology Research Paper

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

Among these groups, the Placoderm and Acanthodii are extinct while the Osteichthyes and Chondrichthyes are still in existence. Osteichthyes and placoderms are characterized as having macromeric cutaneous skeletons overshadowed by huge bony plates. On the other hand, Chondrichthyes and acanthodians are typified as having micromeric cutaneous skeletons primarily consisting of scales.

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Polio Vaccine Biology Research Paper

5 pages (1250 words) , Download 3 , Research Paper

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The interruption of person-to-person transmission of poliomyelitis by vaccination is the primary goal of global polio vaccination. Polio vaccine has eliminated polio from most countries around the world and reduced the worldwide incidence from approximately three and fifty thousand in 1988 to two hundred and twenty-three cases in 2012.

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Human and Animal Interrelationships from Domestication to Present Biology Book Report/Review

6 pages (1500 words) , Download 3 , Book Report/Review

We also get to understand the very basics about lioness behavior regarding cubs, and why Elsa probably wouldn’t have survived in the wild. This is that lionesses usually only have two cubs, whom she stays with for the first two years of life. The mother lioness provides food for her young in the form of regurgitated meat in the first year of life, and, in the second year of life, the lioness allows her young to participate in hunting.

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Incidence and aetiology of asthma in Australia: chemistry of suspected initiators Biology Essay

16 pages (4000 words) , Download 3 , Essay

The red blood cells also collect carbon di oxide which is expelled by the lungs as a part of respiration. The exchange of the oxygen and carbon dioxide occurs in a place called alveoli which are tiny sacs and the important component of lungs. There are around 300 million alveoli in the lungs of an adult.

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Effect of Climate and Weather Fluctuations on the Physiological Process of Ectotherms Biology Lab Report

3 pages (1025 words) , Download 4 , Lab Report

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Such a factor categorizes the animal into the homoeothermic or ectothermic group. According to Zuo et al., ectotherms are species whose body temperature changes with the changing environmental temperatures (1840). Thus, the change in the body temperature will affect the biochemical reactions in the body of an ectothermic species.

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Control of microbial growth Biology Research Paper

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

This is the reason why there is need to control microbial growth especially on some surfaces during biological processes as well as in medical procedures. There is also need to limit microbial growth in all household surfaces and utensils to ensure that people remain healthy.

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What causes stroke in the Human Brain Biology Assignment

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Stoke and its Primary causes The review article by Bevan S. and Markus H on the genetics of stroke attempts to identify and explain what exactly stroke is. It points out that stroke is essentially not a disease and goes on to explain that stroke can generally be described as being any of the syndromes that as a result of a disruption of cerebral blood flow, results in cerebral damage.

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The National Agricultural Policy: The Farm Bill Biology Essay

4 pages (1185 words) , Download 2 , Essay

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Government policies and amendments significantly impact the field of biotechnology. This is primarily because of the close association among the agricultural, economic, and food industries with the changing biological techniques. The Farm Bill is a substantially large statute that typically deals with the regulation of farm production.

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Growth Regulation Hormone Biology Assignment

12 pages (3000 words) , Download 2 , Assignment

Growth Hormone is secreted in a pulsatile manner from the anterior pituitary gland. It is a peptide hormone consisting of 191 amino acid residues and contains 2disulphide bonds. Growth hormone secretion is regulated by hormones like GHRH , Somatostatins and Somatomedins which either stimulates GH or inhibits GH release by positive and negative feedback effects respectively.Conditions like hyprglycemia and prolonged sleep increases GH secretion levels.

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Largemouth Bass Biology Essay

3 pages (750 words) , Download 2 , Essay

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Subspecies of largemouth bass have been introduced into Texas, and thus, largemouth bass becomes a specialty of this state. Texas has a great number of bass angling clubs where largemouth bass fishing is done. This fishing is very important for Texas’ economy as fish anglers prefer largemouth bass over any other fish for fishing.

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Increasing Awarness of Andropause Biology Article

4 pages (1000 words) , Download 2 , Article

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Aging is a phenomenon, which cannot be stopped by any human effort. As time passes by and a person becomes older by every passing moment, there are many novel issues which become attached to the aging person.

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Fireflies (lightening bugs) Biology Essay

3 pages (750 words) , Download 4 , Essay

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They can mostly be seen flying around in summer evenings. They undergo the typical 4 stage metamorphosis (egg, larva, pupa, adult). If we talk about firefly species, there are around 2000 species of fireflies that live in warm places and temperate environments (Hadley, para.2).

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Ibn as One of the Most Memorable Philosophers of the Medieval Ages Biology Research Paper

5 pages (1359 words) , Download 2 , Research Paper

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Abu ‘Ali al-Husayn ibn Sina, “Avicenna” as he is best known in Europe is one of the most significant philosophers of Islamic tradition. He is regarded by many as the most influential philosopher of the medieval era (Khan 2). He was born in the 1980s in Bukhara, South Asia, which was then a leading city in Persia.

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Alfalfa hay yield prediction using yield monitor data and satellite imagery Biology Research Paper

8 pages (2000 words) , Download 3 , Research Paper

(Asrar et al, 1985, Botkin et al, 1986, Asrar et al, 1992, Broge et al, 2002). Predicting the yield ahead of the harvest time is associated with the capacity not only to identify the crop species of interest but also to determine values of agronomic variables like maturity, population density, vigour, disease, and weed infestation.

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Glucagon and cAMP Metabolism Modulation Biology Lab Report

8 pages (2191 words) , Download 2 , Lab Report

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Glucagon is produced in the pancreas as a peptide hormone and has an effect on blood glucose that is opposite to the effect of insulin. While insulin is released to lower levels of blood glucose, glucagon does the opposite and is released when there is a significant or dramatic drop in levels of glucose.

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The effects of cigarette smoking Biology Essay

3 pages (750 words) , Download 3 , Essay

The combustion of this mixture during smoking causes the release of about 4,000 toxic chemicals according to Starr (2013) which include carcinogens such as nitrous oxides, hydrogen cyanide, lead and cadmium. The tar in cigarettes not only stains teeth and skin due to its sticky nature but also gels along the tracheal and nasal passage hence, damaging the cilia.

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Rabies street virus Biology Essay

4 pages (1000 words) , Download 3 , Essay

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Key Words: Rabies, Nervous System, Central Nervous System, Rabies street virus Introduction The occurrence of Rabies is evident when Lyssavirus rabies virus enters human body damaging one’s nervous system (Jackson, 2013, pp 5). When the virus gets in the body, it quickly goes to the brain and other body tissues via the nerve system (Jackson, 2013).

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Man is but a worm: Chordate origins Biology Essay

3 pages (750 words) , Download 2 , Essay

Generally the phylum chordata is subdivided into three subphyla which includes Vertebrata, Cephalochordata, and Tunicata. Hemichordates on the other hand show similar body type to that of the chordates but appear to lack the notochord and the dorsal neural tube (Brown, Prendergast and Swalla, 2008).

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Invertebrate Zoology, Research Box Biology Research Paper

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

had already been studies by various scientists. The effect of pollutants on the immune response system of echinoderm was first studied by Canicatti and Grasso (1988). For this research, the coelomic fluid was collected from the adult sea cucumber, which is an echinoderm.

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The ubiquitin system, disease and drug discovery Biology Research Paper

17 pages (4250 words) , Download 3 , Research Paper

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Ub is found throughout an entire cell and can exist in a free state or combined with other protein. If it is combined with other protein then it is attached by a covalent bond between the glycine and lysine on the proteins. Ub has a role to play in many cell processes. For example – during the G1 phase of mitosis Ub is conjugated to the protein cyclin and hence play an important role in controlling the cell cycle. Ub conjugation is also present in DNA repair, the regulation of transcription, apoptosis and embryogenesis.

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Paul Ehrlich's influence on modern microbiology and immunology Biology Essay

10 pages (2500 words) , Download 2 , Essay

Starting in 1891, however, he came to use this method for the purpose of developing drugs which would be used for the elimination of some of the bacteria which he had identified as having been the cause of many of the diseases that existed at that time. Though his early studies of antitoxins, his work developed further into a serious examination of the diverse number of chemicals which were available to him for the purpose of identifying those which could be used to fight such bacterial species as treponemapallidum, which was the main agent that was responsible for the development of syphilis (Raju 662).

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ATP biochemistry in the CNS Biology Essay

3 pages (750 words) , Download 3 , Essay

Furthermore, how ATP generates its physiological response in the cell shall be discusses Keywords: Adenosine Tri phosphate, neurotransmitter, physiological response Adenosine triphosphate also known as by its shorter form, ATP, is thought to be the currency of energy with respect to life by many biologists.

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Orchids or Orchidaceae Biology Essay

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Among the regions they habit include Asia, South and Central America including the state of Texas among many others. The region has a cool and wet climate that ranges from extremely cold winters and warm and humid summers all of which are conducive for the growth of the plant.

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Schistosomiasis Biology Term Paper

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

The advancement of technology has allowed for a number of cures and preventions to be introduced with regard to a large number of diseases there are still worrying concerns about others that have not been eradicated from certain regions and pose as a threat to the quality of life individuals from those regions are able to enjoy (Thetiot-Laurent et.

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Interesting Facts about the Bobcat Biology Research Paper

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Though the species predominantly occupy North America, it is widespread and highly adaptable with twelve subspecies being recognized in the northern part of Mexico, South of Canada, and several parts of the United States. The species prefers a wooded environment, however, can also live in semi-desert areas and swamps.

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How Parasites Affect the Spread of Malaria Biology Research Paper

5 pages (1481 words) , Download 3 , Research Paper

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This paper deals with the cause and spread of malaria, and its association with parasites and protozoa. The paper also includes epidemiology, the latest facts, and research about the endemic. Also described are the various strategies adopted by the world for its eradication and the global organization and CDC working for a healthy and malaria-free world.

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The advantages and disadvantages of antibiotics Biology Assignment

6 pages (1500 words) , Download 4 , Assignment

Antibiotic or antibacterial agents cause inhibition in bacterial growth or destroy bacteria (Media News Today, 2009). It blocks the vital process in bacteria, thereby stopping them from multiplying, and this encourages the body’s natural immune system to fight the disease (Garbutt, 2012).

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The Environmentally Healthy City: The Pressing Need of the 21st Century Biology Research Paper

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

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The main idea is to reduce harmful industrial activities while replacing these kinds of operations by green ones. The major power source of the Earth should be changed and the population should be induced to use green power sources such as solar and wind energy (Wustenhagen & Bilharz, 2006).

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Practical Issues of Microbiology Biology Coursework

9 pages (2796 words) , Download 3 , Coursework

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Enzyme known as superoxide dismutase, eliminates superoxide radicals by enhancing the rate of reaction. During the process, toxic substance hydrogen peroxide (H2O2) and hydroxyl radical (OH-) are produced, which, in turn, is dissipated by catalase and peroxide enzymes respectively. The catalase test is used to identify such organisms.

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The Problem of Genetic Cloning Biology Essay

4 pages (1000 words) , Download 2 , Essay

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Genetic cloning is done based on DNA material from cells of animals or plants and this is applied either from a somatic point of view or through reparative means in the case of designer babies. This is only when genetic engineering misses defects on embryos during microscopic examination and genetic defects manifest themselves after birth.

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In Defense of the Food Biology Book Report/Review

7 pages (1750 words) , Download 3 , Book Report/Review

This book topped the charts in the New York Times for a total of six weeks in the year 2008 itself. This book was written with the primary objective of letting people know about the proper intake of food. It was fundamentally aimed to provide them the proper guidelines about the appropriate intake of food (Pollan 1-27).

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Evaluating Food Availability in the Ocean Biology Essay

60 pages (10106 words) , Download 2 , Essay

Ocean conditions in the future would likely prevent fish from adjusting to the changing food availability in the ocean. With the current exposure to the carbon dioxide levels, as well as the conditions possibly indicated for 2100, the brown dotty back, otherwise known as (Pseudochromis fuscus), manifested decreased feeding qualities.

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Biology 206 U4IP Biology Research Paper

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

The case study in concern reflects how Mr. Amos has developed stage 3 lung cancer led from his cigarette smoking for 30 long years. Considering the case of Mr. Amos, the present report answers a few questions in relation with the manner in which smoking tobacco affects the human body, particularly the respiratory system.

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THE HUMAN BODY Biology Coursework

3 pages (750 words) , Download 2 , Coursework

The process is progressive and could result in a heart attack due to the depleting amount of blood supply to the myocardium. This in turn leads to the insufficient supply of nutrients and oxygen resulting in infarction or a heart attack.. The heart can be described as a muscle and is one of the main components of the circulatory system and is responsible for pumping blood.

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Biology 206 U3IP Biology Research Paper

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

sequence): Isoleucine+ glycine + asparagine + Aspartic acid + proline + STOP What is the significance of the first and last codons of an mRNA transcript? Explanation: The significance of the first codon is that it determines signals the beginning of a translation point, usually AUG, which signals the inclusion of methionine.

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Greenhouse Gas Biology Research Paper

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

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The following discussion would ultimately reveal that the changes in the aforesaid aspects are quite important. Greenhouse Gas- This is generally formed due to the effect of infrared radiation. It is also formed by way of absorbing infrared radiation i.e.

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GENETICS AND GENE MUTATION Biology Coursework

3 pages (750 words) , Download 2 , Coursework

an mRNA transcript? Explanation: The first codon, or the initiation code, is the signal for the protein synthesis to start. The last codon, or the termination code, signals the end of the protein synthesis. The initiation code is basically AUG while the termination code is usually UAG, UAA or UGA (Kimball, 2010).

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Connexin Degradation Biology Essay

3 pages (750 words) , Download 2 , Essay

These hemichannels are each made up from six hemichannel molecules. These gap junctions are significant to the vertebrates as they are used for several physiological processes, for instance correct embryonic development, conducted reaction in microvasculature and harmonized depolarization of the cardiac muscles.

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Food: Eating Local, Global Food Crisis, and Food Irradiation Biology Research Paper

4 pages (1203 words) , Download 3 , Research Paper

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Food irradiation was described in the article published by Iowa State University as “the radiation of interest in food preservation is ionizing radiation… These shorter wavelengths are capable of damaging microorganisms such as those that contaminate food or cause food spoilage and deterioration” (Iowa State University, 2013, p. 1).

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White-tailed Deer Biology Research Paper

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

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White-tailed Deer. The white tailed deer or the Virginia deer is the most widely distributed hoofed animals in the United States. Its scientific name is Odocoileus virginianus. As Patent (2004) describes, thirty eight types of white tailed deer live in the United States, Canada, Mexico, Central America and South America.

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Critical Thinking and Environmental Pollution Biology Essay

4 pages (1131 words) , Download 3 , Essay

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Of all the sources of pollution, the ones that are of the greatest threat to our well-being are outdoor air pollution, the introduction of toxic chemicals in water and soil and tropical deforestation. As shown below these three sources are of greatest threat to our well-being. Motor vehicles have been pointed out as a major source of environmental pollution for a long time.

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Functional Biology of Plants Biology Coursework

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Cellular respiration involves cells utilizing carbon compounds together with oxygen to form high-energy molecules that fuel cellular activities. During this process, carbon dioxide, a by-product of the process, would be released into the air. On the other hand, plants would absorb this released carbon dioxide during photosynthesis and give out oxygen.

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An analysis of libyan protected areas as ecotourism resources Biology Essay

4 pages (1000 words) , Download 2 , Essay

The wildlife of Libya spreads over the Mediterranean coastline, which comprises large areas of Saharan desert. The protected areas of Libya comprises any geographical protected for specific use. Many protected areas are meant for conservation of fauna and flora.

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Incidence and Aetiology of Asthma in Australia: chemistry of suspected initiators Biology Essay

6 pages (1500 words) , Download 2 , Essay

The initial diagnoses that can characterize asthma are cough, wheezing, dyspnoea, chest tightness and variable airflow abstractions. Although asthma is not one of the major causes of death in Australia (only causing about 400 deaths per calendar year, it is still an important disease for a number of reasons.

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Purification of Genomic DNA from Buccal Cells Biology Essay

9 pages (2758 words) , Download 2 , Essay

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The process of obtaining DNA samples includes a general procedure regardless of the source of the DNA. First, the investigator has to collect the cells he intends to derive his DNA sample from. This could include all cells of the body but red blood cells. The next step involves splitting the cells open so as to release their contents. The contents include fats, carbohydrates, and proteins.

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Microbiology In Your Chosen Profession Biology Essay

3 pages (750 words) , Download 5 , Essay

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In the United States, statistics indicate that the presence of bacteria, bacteremia and the presence of fungi, fungemia, is observed in the blood of more than 250,000 people annually. These conditions also result in about 50,000 deaths annually. It is only via the rapid and accurate isolation, identification, and antimicrobial susceptibility tests that lifesaving nursing measures may be initiated (Gross, p.

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Discussion GMOs in Producing Food, Bioaccumulation, Green Revolution and Slow Food Movement Biology Assignment

9 pages (2250 words) , Download 2 , Assignment

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Industry-the use of traditional cooling towers is still widespread in many industrial plants, yet such a system requires heavy maintenance and consumes millions of gallons of water almost on a daily basis. An intelligent process cooling, proven for years in Europe, is a better alternative to the wasteful traditional methods.

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ANALYSIS OF A MEDICAL RESEARCH CONDUCTED BY WAKEFIELD Biology Essay

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Analysis of a Medical Research Conducted by Wakefield, Murch, Anthony et al Name: Institution: ANALYSIS OF A MEDICAL RESEARCH CONDUCTED BY WAKEFIELD ET AL A group of scientists from various medical departments namely; medicine and histopathology, pediatric gastroenterology, child and adolescents psychiatry, neurology and radiology; performed a medical research that was later retracted.

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The Use of Antibiotics in the USA Biology Essay

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The World Health Organization (WHO) has also raised the concern about antibiotic resistance and suggested the need to curb the use of antibiotics in livestock that humans consume. It has declared its intention to reduce excessive use, as well as the misuse of antimicrobials in livestock food in order to protect human health.

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Biology Essays