Biology Essays

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Leiomyoma Of The Vesicovaginal Septum Biology Essay

Vaginal leiomyoma is a rare solid tumor with unknown exact etiology. These tumors generally are asymptomatic and the treatment of choice is surgical excision. The diagnosis of vaginal leiomyoma is made by histopathology. In this article, we have reported a 39-year-old woman with a solid regular homogenous mass measuring approximately...

Amylase In Pancreatic Acinar Cells Biology Essay

ABSTRACT The present investigation was to study the role of calcium on the exocrine pancreatic amylase secretion. This was carried out using two major agonist's cAMP and carbachol. The amylase activity was determined by measuring the concentration of radioactive maltose that was produced in response to these agonists. This was also...

Role Of Aldehyde Dehydrogenase Biology Essay

Aldehyde Dehydrogenase are a group of enzymes involved in the removal of toxic compounds such as Aldehyde from the body. ALDH are highly expressed in hematopoetic cells and are believed to have an important role in the early differentiation of SCs. This review starts off by evaluating the role of...

Analysing Vitamins And Minerals Biology Essay

A free radical is reactive and unstable electrically charged atom with an unpaired electron in its outermost shell. To become stable, the free radical has to either give up or gain an electron from another molecule (Tortora et al. 2006, p. 32), thus effecting the body's ability to maintain normal...

High Leakage Currents On Sram Cell Biology Essay

Reduction of leakage current is significant in low power applications. Because these leakage currents increase the total power consumption of the circuit. In this paper, various existing leakage reduction techniques for memory cells are discussed and also a new 12T SRAM cell is proposed. These 12T SRAM cell has high...

A Look Into Cell Adhesion Molecule Biology Essay

Mast cells are not only involved in immediate-type allergic reaction, but also in innate immunity, inflammation, angiogenesis, and tissue remodelling, which are responsible for tissue-dwelling results. Increasing evidence suggests that mast cells play an important role in asthma pathogenesis, such as mast cell accumulation in the airways, or the infiltration...

Microbiological Analysis Of Retail Food Biology Essay

Microbiological analysis of retail food such as Chicken, Ham and Egg, Cheese sample were collected from various supermarkets and fresh meat shops was conducted using standard conventional methods to isolate, characterise and identify Salmonella species using API 20E phenotypic system. Six pathogenic isolates were identified and characterised including Salmonella species....

Depletion In Ozone Has Led To An Increase Biology Essay

Depletion in ozone has led to an increase in UVB radiation reaching the earths surface, with many negative consequences for the eye for example pterygium, cataract, age related macular degeneration and exfoliation syndrome. Due to organisations taking control over carbon emission which can affect the ozone layer it is thought...

Encountering The Measles Virus Biology Essay

The measles virus was one of the common known and widely spread viruses. The measles virus was one of the most common among the children of who were affected year round. There have been over 900 thousand death related cases to the measles virus in third world countries lacking the...

Nanotechnology In Food Processing Biology Essay

Nanotechnology has been touted as the next revolution in many industries, including food processing and packaging. The applications of nano-based technology in food industry may include nanoparticulate delivery systems (e.g. micelles, liposomes, nanoemulsions, biopolymeric nanoparticles and cubosomes), food safety and biosecurity (e.g. nanosensors), and nanotoxicity. Chen et al., 2006; HSE, 2006;...

Prevention And Control Of Influenza A Biology Essay

Viruses are smallest size than bacteria and the large size does not reach 1/10 tenth the size of bacteria and the scientists couldn't see the viruses only after discovery of electron microscopy. Viruses form of organic material that lives in the cells of other organism called host, using the properties...

Experimental Production Of Many Different Pharmaceutical Proteins Biology Essay

Plants have been used for the experimental production of many different pharmaceutical proteins, including vaccines (Streatfield, 2007), antibodies (Twyman et al. 2007), hormones, signaling proteins, blood products and replacement enzymes (Stoger et al. 2002, 2005), as well as industrial enzymes (Fischer et al. 2003). As more recombinant proteins are developed...

A Brief Look At HCV Biology Essay

Hepatitis C virus (HCV) is a serious RNA viral infection that is transmitted through the blood and affects millions of people in Western countries, as well as high numbers in developing countries. As the name suggests HCV affects hepatocytes in the main, which leads to issues with viability of...

Determining The Rate Of Reaction Of Enzyme At Different Temperature

Introduction: Enzyme was introduced by Kiihne in 1878, even though the first observation of enzyme activity in a test tube was done by Payen and Persoz in 1833. Enzymes are specialized proteins that make cellular work possible in all cells by helping chemical reaction to occur. these chemical reaction speed up...

Genetic improvement of crop plants

Introduction Bananas (Musa spp. L) are one of the most important fruits in the world and are grown in many tropical and subtropical areas where they are used as both a staple food (cooking banana) and dietary supplements (dessert banana) (Pillay et al., 2002). Dessert banana are consumed raw when they...

The Etiology And Modern Treatments Of Tay Sachs Disease Biology Essay

Tay Sachs is an autosomal recessive disorder (Mayo Clinic 2010). Autosomal recessive disorders affect the carriers when a person possesses two recessive (or in this case defective) copies of an autosomal gene. Neither copy of this gene can be transcribed or expressed as a functional enzyme (Broomkamp et...

Multibacillary Hansens Disease Case Study Biology Essay

Multibacillary Hansens Disease Case Study Hansens disease, also known as leprosy, is a chronic disease caused by Mycobacterium leprae (M. leprae). It is a slowly progressive infectious disease of the peripheral nerves and skin, but sometimes it can be spread to other tissues such as eye, mucosa of the upper respiratory...

Important Foliar Disease Of Maize Biology Essay

Southern corn leaf blight is an important foliar disease of maize. In this study, an induced systemic resistance eliciting rhizobacterium Bacillus cereus C1L was used to protect maize against SCLB. Application of B.cereus C1L in maize rhizosphere effectively protected maize from SCLB under greenhouse and field conditions. The protection effect...

History About Parkinsons Disease Biology Essay

Humanity has encountered many diseases, disorders, and conditions of the human body for which an etiology has yet to be discovered. Examples of this are some bacteria, viruses and other many other pathological agents like toxins and prions, but there are some diseases and disorders which originate from within the...

Evidence Convergent Evolution Of Antifreeze Glycoproteins In Fish Biology Essay

Since millions of years ago, animals, insects, plants and many other organisms have gone through series of evolutions by selective pressure to gain unique mechanisms in order to survive and adapt in harsh environments at extreme temperatures. Nearly two-third of the earth's surface is compromised of sea water and the...

Molecular Genetics Telomeres Cellular Ageing And Cancer Biology Essay

Each time a cell divides, not all the DNA is copied so over time, there is progressive reduction in the number of tandem repeat sequences leading to telomere shortening in somatic cells. It is thought that in humans the cells replicate about 50 times before it is too short which...

The Long Term Health Risks Of Cannabis Use Biology Essay

Cannabis is the most widely used illegal drug in Britain. Made from resin or dried leaves and flowers of the cannabis plant, it's a naturally occurring drug. It is a mild sedative (leading to effects of relaxation or sleepiness) and it's also a mild hallucinogen (leading to visual distortion of...

Molecular Methods For Detecting Pathogenic Fungi Biology Essay

Fungi can directly harm as being opportunistic pathogen and/or indirectly by producing toxic secondary metabolites. During the past two decades, scientific advancements in the field of diagnostic microbiology have enhanced rapidly due to a technological revolution in molecular aspects of microbiology. In particular, speedy detection techniques for nucleic acid amplification...

Examining The Health Concerns With Environmental Contamination Biology Essay

As a result of enhancement and development in instrumental techniques in the past years, it has been reality to extend the detection limits of analytical methods for many kinds of heavy metals to be microgramme (μm) level and even below. However, public concern is increasing dramatically because of more and...

Stem Cells As Therapeutic Tools In Diabetes Treatment Biology Essay

There are hundred of different types of cells present within the human body. In mammalian development these are structured and organised into the tissues and organs that make up an organism (Watt et al., 2010) The starting point of all this are stem cells, which are derived during early development,...

How Do Current Anti Obesity Drugs Work Biology Essay

There are two main ways through which current anti-obesity drugs work, either by suppressing the patients appetite or by preventing the absorption of food from the gastrointestinal (GI) tract. Anorectics function by suppressing the patient's appetite through acting on the Central Nervous system (CNS). Anorectics stimulate the sympathetic nervous system...

Breast Cancer And Cell Mutation Biology Essay

Breast tumour is a mass found in the breast as a result of the breast cells grow and divides more rapidly than normal cells. This can be due to the mutation of the breast cells. If the tumour is benign, then it is noncancerous as it does not invade other...

Noise Cancellation Reduction Introduction Biology Essay

Ever wondered what sound is and how its created? Why deafness occurs? Or how noise cancellation headphones work? Even the reason for the headache you get from piercing noises? Every day we depend on our hearing to get us through daily activities, leisure, communication, work, and life itself. Although we...

Quality Control Plays Vital Role Determining Safety Drugs Biology Essay

Development of validated UV-Visible Spectroscopic, Spectrofluorimetric, HPLC and HPTLC methods for Certain Selected Drugs in Formulations and Biological Fluids. Introduction As the technology is developing, a number of new drugs are launched in the market and it becomes necessary to develop newer analytical methods. It is necessary to do if, no analytical...

The Glycosylation Of Therapeutic Antibodies Biology Essay

Biopharmaceutical is constantly growing depending on the uniqueness of treating a disease. Now, Biopharmaceutical industries are concentrating on therapeutic proteins i.e. majorly glycoproteins [1]. Various proteins undergo different types of modifications during the process of translation or later. The latter modifications are referred to as 'Post-translational modifications'. These are held...

Rheumatoid Arthritis Role Of Ahr Biology Essay

Rheumatoid Arthritis is an advanced inflammatory disease. This disorder shows physical characteristics such as flared up synovium and continuous inflammation; which leads to chronic polyarthritis. Both the knee and finger joints of a diagnosed patient display pathological features of Rheumatoid Arthritis. Most of the inflammatory events that occur within...

Displacement Of The Neandertal Population Biology Essay

Ever since the displacement of the Neandertal population by anatomically modern humans circa 30,000 years before present history has continued to mould and shape the populations that inhabit the British Isles, and by association their genetic identities. Figure 1 plots the historical events that have most contributed to the makeup...

E6 Inhibits P53 Phosphorylation Biology Essay

Oncogenic proteins E6 and E7 of high-risk human papillomaviruses (HPV's) either alone or in co-operation cause cell-cycle deregulation, cell-transformation and immortalization leading to cancer progression by abrogating the function of two most important cellular tumor suppressors p53 and pRb respectively. High-risk HPVE6 abrogates p53 functions by its degradation and/or by...

Plant Molecular Farming Utilizes Transgenic Plants Biology Essay

The process of plant molecular farming (PMF) utilizes transgenic plants for the production of high‑value recombinant proteins {Twyman, 2003 #1}. Transgenic plant production platforms possess several potential advantages when compared to the alternative production platforms currently being used, namely mammalian and microbial cultures. The main advantage of PMF is the...

Identification Of First Potential Linkages Against Myopia Locus Biology Essay

Objectives: The genes responsible for myopia have not yet been identified although several chromosome loci have been suggested. Additional loci for the majority of high myopia, especially in Asian populations, await discovery. The purpose of this study was to search out the responsible locus of myopia by clinical and genetic...