Biology Essays

Search to find a specific biology essay:

Back to Essays Index

The Extraction And Purification Of Paracetamol Essay

Analysing the Quantity and Purity of Paracetamol Present in Different Formulations of the Commercial Medicine Aim The aim of this investigation was to determine the percentage by mass of pure paracetamol in formulations of branded paracetamol in 500mg tablets. Two techniques were used so as to determine this: -Extraction and purification of tablets...

Chronic Obstructive Airway Disease Biology Essay

-the association of Glutathione S Transferase M1 (GSTM1) and Glutathione S Transferase T1 (GSTT1) gene polymorphism with Chronic Obstructive Airway Disease (COAD) patients in India Introduction: Objective: Cigarette smoking is the most important risk factor leading to development of COAD. Smoking accounts for as much as 80-85% cases of COAD while...

Limnological Investigation Of Three Freshwater Springs Biology Essay

An assessment on quality and hygienic conditions of spring water was undertaken in Pulwama in 2009.The present investigation was carried out during January 2009-June 2009 in three limnocrene freshwater springs located in single groundwater area in Pulwama district, Kashmir. A perusal of the data showed that these springs were hard...

Buffalo Calf Fattening Programe Biology Essay

Introduction In Pakistan the production of meat is the secondary farm enterprise but its potential is not fully exploited. The current system for the production of meat of the buffalo is traditional & inefficient. The gain in the live body weight is 1.87 Ib/ day to the 1 year & 1.46...

Introduction To Different Medicinal Plants And Use Of Biology Essay

MEDICINAL PLANTS This section consist a list of sub-groups that gives information about Introduction, Importance, Systems of medicine, Utilization of medicinal plants. Introduction to Medicinal plants: About 250,000 higher plant species on earth, more than 80,000 species are reported to have at least some medicinal value and around 5000 species have specific therapeutic...

Aggregation Properties Of A Short Peptide Biology Essay

Short peptides have been identified from amyloidogenic proteins that form amyloid fibrils in isolation. These peptides are believed to play crucial role in the self-assembly of full length proteins by templating, facilitating, or stabilizing the amyloid fold. The hexapeptide stretch, 21DIDLHL26, has been shown to be important in the self-assembly...

a detailed study of apoptosis

1. Introduction Apoptosis is an evolutionarily conserved, highly regulated process of programmed, active, cell death, morphologically and biochemically different from necrosis, and is important in normal development and physiological homeostasis of multicellular organisms [1, 2 and 3]. Cells dying by apoptosis maintain membrane integrity until late in the process but display...

Gulf Oil Spill Impact On Environment And Species Biology Essay

An oil spill is when any form of oil or petroleum is released into the environment, whether on land or in a marine environment. There are many ways that this can happen. One way is when crude oil is deposited into ocean waters illegally in order to avoid spending extra...

The Composition Of Complex Ions In Solutions Biology Essay

In this experiment, we are required to determine the composition of complex ion by continuous variation method. Complex ions refer to a metal cation bonded to either one or more than one molecules. It is a stepwise process to produce the complex ion because every process has its own equilibrium...

Compare And Contrast Reproduction In Plants And Animals

The reproductive systems in both plants and animals play a vital role in the continuation of a species, as well as for maximum success of the species. Reproduction allows for beneficial alleles to increase in frequency within a gene pool, and aids in removing deficient mutations. There are...

The Wonders Of Bayer Aspirin Biology Essay

Today, there are many medicines used to treat human diseases and one of the medicines is called Bayer aspirin. Aspirin (acetylsalicylic acid) is a white or colourless crystalline powder. Anthony (2002). It is used to treat mainly minor pains, but has their benefits like lowering fever, inflammation, and reduces blood...

Successive Secondary Flowering Mechanism In Forced Tree Peony Biology Essay

Tree peony (Paeonia suffruticosa) is one of the most important ornamental plants grown in many parts of the world. The phenomenon of successive secondary flowering (autumn-flowering) is commonly observed in many horticultural plants including tree peony. Varying levels of hormones and sugars are thought to influence autumn-flowering tree peony. Therefore,...

Determination Of Antibody Specificity Biology Essay

The purpose of this report is to monitor changes in the titre of antisera during an immunisation schedule and also to determine whether the antisera, taken after the third immunisation, are specific to human albumin. The results are obtained over a 2 week period. The immune system has the following tasks,...

Soluble Cytokine Receptors Role In Inflammatory Disease Biology Essay

Inflammation is a biological response orchestrated by the immune system in response to harmful stimuli such as pathogens and tissue damage. However, in some circumstances the inflammatory response can become inappropriate and over stimulated and begin attacking the body's own tissues resulting in an inflammatory disease. It is not yet...

Influence Of Tween80 Upon Gas Liquid Biology Essay

The present work shows a global vision of gas absorption in aqueous solutions with Tween80. The study includes a characterization of the absorption process based on hydrodynamics and a different one based on mass transfer. The effect caused by surfactant concentration upon gas hold-up and gas-liquid interfacial area has been...

Old Genes New Habits Evolutionary Origins Diabetes Biology Essay

Amid prevalence rates of type 2 Diabetes mellitus in the United States doubling between 1990 and 2005, the Center for Disease Control (CDC) has officially declared an epidemic (Gerberding 2007). With both genetic and lifestyle factors affecting the onset of the disease, how has the human race and certain populations...

The Issues Regarding The Flu Vaccine Biology Essay

Flu also known as Influenza is a contagious viral disease that affects the respiratory system. It is caused by influenza viruses. It is highly infectious unpredictable disease that spreads though secretions of nose and lungs. Flu causes mild to severe illness and sometimes even leads to death. "According to U.S....

Investigation Of Flow During An Intake Stroke Biology Essay

In this paper, the effect of a twisted tape and a shrouded valve on the swirl characteristics of a single cylinder, air cooled engine were investigated. A steady flow analysis of swirl enhancement techniques was conducted on a steady flow bench with a swirl adaptor to obtain a global view...

An Introduction To Creutzfeldt Jakob Disease Biology Essay

One of the diseases that has severely impacted the lives of people these days is Creutzfeldt-Jakob disease (CJD) which is a condition that is fatal and rare which has impact on the brain of human being. CJD causes damage to the brain that gets worsened with the passage of time....

The Respiratory System Analysis Biology Essay

There is a need to distinguish between breathing and respiration because these two terms are confused greatly. Breathing and respiration are NOT the same, but because of their interrelationship, people often refer to both terms as one. However, breathing is a simple mechanical process where air enters and exits the...

The Physical Characteristics Of Neutrons Biology Essay

Neutron detection is an essential part of the global struggle to avert the proliferation of special nuclear material. Applications dependent upon neutron detection technology vary from traditional nuclear non-proliferation purposes, such as safeguarding material and authenticating stockpile declines, to the authorative prohibition of SNM - an objective that has lately...

Looking At Why Use Propanediol Criminology Essay

Glycerol is a by-product obtained during the production of biodiesel. As the biodiesel production is increasing rapidly, the crude glycerol generated from the transesterification of vegetables oils has been generated in a great quantity. About 10% of crude glycerol will be formed during the synthesis of biodiesel from triglycerides. Products...

Thrombosis Is A Hallmark Of Vascular Disease Biology Essay

Recent evidence suggests that inflammation and aberrant immune reactivity, which are associated with the recruitment of specific cell types, are strong drivers of thrombosis. However, the organ and disease-specific mechanisms are poorly understood for venous thromboembolism, arterial thrombosis as it occurs in acute coronary syndrome, peripheral artery disease, stroke,...

The term cancer describes a larger number of complex diseases affec...

Cancers are named according to where they originate from in the body, carcinomas are the most common type of cancer and arises from cells that cover external and internal body surfaces. Sarcomas arise from cells originating from the body's supportive tissues, for example, bone, cartilage, fat, connective tissue and...

Most Typical Chronic Respiratory Illness Biology Essay

In Western countries, asthma is found to be among the most typical chronic respiratory illness. It often manifests during childhood and its prevalence in children and adults is around 14% and 8% respectively. This equates to approximately 5 million of the population of United Kingdom. As a consequence, it is...

Biological Inspired Antivirus For Computers Biology Essay

Todays anti-virus technology, based largely on analysis of existing viruses by human experts, is just barely able to keep pace with the more than three new computer viruses that are written daily. In a few years, intelligent agents navigating through highly connected networks are likely to form an extremely fertile...

Potential Of Vinegar As Rust Stain Remover Biology Essay

Despite the vast research regarding rusting, still many people do not recognize the harmful effect it can to environment and to take precaution measure to avoid or prevent rusting. Results of study show U.S. had to spend total $276 billion, approximately 3.1% of the nation's Gross Domestic Product (GDP) for...

Anaerobic Corrosion Of Iron Biology Essay

Anaerobic corrosion of iron generates H2, hydroxide ions and ferrous iron. The H2 generated serves as an electron donor in many important natural processes such as sulfate reduction and methanogenesis. Hydrogen is an excellent energy source for many anaerobes, including methanogens, homoacetogens, sulfate reducers, and dehalorespirers (Wu et al, 1998)....

Styrene Is A Clear Colorless Liquid Biology Essay

Styrene is a colorless liquid which evaporates easily. In its pure form, it has a sweet smell. When manufactured, styrene may contain aldehydes, which give it the sharp, unpleasant odor. Large amounts of styrene are produced in the United States. Plants, bacteria, and fungi produce small amounts of styrene naturally....

Extension Is Proportional To Load Biology Essay

The aim of my investigation is to find out if the amount of weight applied to an elastic band or steel spring is proportional to the amount the object's length increases by when the weight is applied. I predict that the more load is applied to the spring and elastic band,...

Bhindi Summer Vegetable Crops In Pakistan Biology Essay

Introduction Okra (Abelmoschus esculentus L.) is locally known as Bhindi is one of the most important summer vegetable crops in Pakistan. Okra, the genus esculentus with synonyms Abelmoschus belongs to the family Malvaceae or mallow under the order of Malavles. This genus contains about 150 known species with esculentus as the...

Hygienic Aspects Of Bioremediating Compost Biology Essay

Composting process as a means of bioremediating the harmful waste can be assessed in terms of its hygienic aspect since the effect of its quality is indicative of its essentiality and feasibility in the environment. Hygienic relevance of composting is primarily related to the microbes functioning as composters, the dust...

The life of Ernest Hemingway

         Among many of the great American short story writers in the 20th Century was Ernest Hemingway: the author of numerous classics such as The Sun Also Rises, For Whom the Bell Tolls, Moveable Feast, and others. Born in Oak Park, Illinois, in 1899, he certainly enjoyed his childhood life. (Hodgins...

Genetically Inherited Cancer And Sources Biology Essay

Cancer is an abnormal functioning of a cell that causes a large growth called a tumour. This abnormality is usually caused by a gene mutation, where there is more than half a dozen gene faults that cause this mutation. These mutations can be inherited or can develop over a life...

Management Of Preterm Labor Among Pregnant Women Biology Essay

Preterm birth is the most important single determinant of adverse infant outcome, in terms of both survival and quality of life. Although preterm birth is defined as being before 37 completed weeks, most mortality and morbidity is experienced by babies born before 34 weeks. Prevention and treatment of preterm labor...