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Biology Essays

Result for Subject Biology:
3616 essays
Human Genome Decoding - Cracking the Code of Life Biology Movie Review
3 pages (805 words) , Download 1 , Movie Review
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Explanation of the DNA helical structure introduces concepts of human genome project, which had a goal of showing the composition of molecules passed from
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Mitochondria and Cellular Respiration Biology Lab Report
4 pages (1321 words) , Download 1 , Lab Report
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Through measurements of FADH2 produced in the reaction, it is possible to determine the intracellular location of Succinic Dehydrogenase. Since measuring FADH2 directly is hard, this compound can be coupled with a second reaction that results in a colored product which can be measured using a spectrophotometer.
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Vegetarian Diets and Exercise Performance Biology Essay
3 pages (944 words) , Download 0 , Essay
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In order for vegans to perform even better, they must take supplement their vegetarian diet with certain nutrients that are deficient in vegetables and fruits. These nutrients include iron, zinc, vitamin B12, and calcium, which can be obtained by eating controlled amounts of soymilk, yogurt, broccoli, eggs, fortified cereals, almonds, and oatmeal.
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Pathogenic Strains of Microorganisms Biology Lab Report
2 pages (767 words) , Download 1 , Lab Report
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Such identification may be based on the morphological characteristics of the bacterial colonies as well as the biochemical traits of the pathogens (Vasanthakumari, 2009).
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Dihybrid Cross and Chi Square Biology Thesis
3 pages (824 words) , Download 0 , Thesis
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The first principle deals with the hereditary characters i.e. passing of genes from parents to off-springs. The second principle or principle of Segregation states that during breeding the inheriting
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Structure, Function, and Involvement in Disease of Apolipoprotein Biology Term Paper
4 pages (1513 words) , Download 0 , Term Paper
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Apolipoproteins are mainly responsible for the transport of different types of fats e.g. lipids and cholesterol, through the bloodstream, thus forming lipoproteins. Apolipoproteins surround the hydrophobic lipid core by forming a layer. Different types of apolipoproteins act differently in lipid metabolism and lipid transport.  
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The Promise of Protein Microarray Technology Biology Research Proposal
4 pages (1132 words) , Download 0 , Research Proposal
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In medical research, it will increase the immune diagnostics significantly by analyzing all the parameters of interest.  Most importantly, it will require less sample volume thus minimal amounts of the sample will be available like the analysis of multiple tumor markers for a minima amount of biopsy material. 
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Gene Therapy Biology Term Paper
4 pages (1289 words) , Download 0 , Term Paper
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DNA or deoxyribonucleic acid is the molecule in the human body that encodes the genetic information. A stretch of DNA that is necessary to make a part of a whole of a protein is known as a gene. It has been estimated that humans have about 100,000 to 150,000 genes. Whenever a particular gene is defective or absent or there is either absence of a particular protein.
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Enzyme Kinetics and Inhibitors Biology Lab Report
4 pages (1357 words) , Download 0 , Lab Report
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The rate of a reaction catalyzed by an enzyme depends upon the concentration of substrates as well as the physical conditions; temperature, pH, ionic strength, the concentration of co-factors etc. Increasing substrate concentrations lead to an increased rate of reaction until a maximum is reached. The enzyme is said to be saturated with the substrate.
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Characteristics of Pathogenic Bacteria Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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Xanthomonas saccharides are present in extreme terms like low temperatures, moisture, plentiful organic matter, high salinity and scarcity of biological diversity. Gammaproteobacteria of the genus Xanthomonas were found in high-productivity soils. It is most commonly isolated from diseased sugarcane and hence is classified as a plant pathogen.
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The Human Respiratory System Biology Research Paper
4 pages (1042 words) , Download 0 , Research Paper
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It is essential to maintain the normal metabolic process carried out by oxygen in body cells, where energy is released by the breakdown of carbohydrates and carbon-di-oxide is liberated which is eliminated out by the respiratory system in conjunction with the circulatory system, in the process water is also released as a waste product.
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Zebra-fish Behavior Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The eggs develop fast and start feeding and swimming about 72 hours after fertilization takes place. There are quite a few sub-species of zebrafish most of which are for commercial purposes used. The zebrafish has quite a number of unique physical and biological characteristics which make it be well preferred to other animals for scientific studies 
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Training a Canary Dog Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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Take the dog outside, where the newspaper boy usually throws the paper and put the paper there in front of your dog; see him fetch the paper and treat him. Then throw the paper at the location and make him fetch it several times; once the dog has done this successfully for about 20 times, then make him maintain the form of the paper 
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Investigating the Effect of Temperature on the Rate of Transpiration Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The transport and the transfer of water from a plant surface into the atmosphere is called transpiration. This takes place via a process called evapotranspiration during which water which is absorbed by the root of the plant, travel to the leaves through the plant body through the tissues called xylem.
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River Otter or Lontra Canadensis Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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River Otters have their enemies in water and on the ground. One of the most dangerous enemies is the human race who is constantly killing the animal for its soft and gleaming fur to make coats and to prevent self from the cold weather. To meet the growing demand of such coats, river otters are killed
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The Historical Evolutionary Concept and Its Impact on Population Biology Term Paper
4 pages (1000 words) , Download 0 , Term Paper
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Reporting this discovery, The Times newspaper reported that the creature which inhabited the earth 47 million years ago, brought together the primate family tree that was split into two separate branches and ultimately led directly to the humans. The paper says that this fossil could even spot the point from which the evolutionary lineage diverged 
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Mountain Lion also Called Cougar, Puma, or Panther Is Native American Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The entire body of the mountain lion is designed to be completely dead to its prey. The ears are erect, which allows the mountain lion to better hear anything or anyone within its vicinity. The front of a mountain lion, including its neck and jaw, are powerful and serve the purpose of holding on without relenting to even the largest of prey.
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Salmonella Paratyphi B Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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This paper tells that salmonella infection are life-threatening and pose a great risk to individuals health so preventive measures should be taken, community health programs should be advertised about ways of preventing salmonellosis. It is one of the main issues that poultry farm workers and farmers and breeders face and hence take various measures as discussed in the paper.
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Chemical Romance Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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However, what is not obvious and probably more potent than what one sees is the other process of attraction that takes place involving another sense of the body – the olfactory sense or the sense of smell.  The hormone responsible for this is called pheromone. The word pheromone was first used by Karlson and Luscher (1959).
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The Efficiency of Toilet Seat Cleanser on Bacterial Growth Biology Lab Report
4 pages (1152 words) , Download 0 , Lab Report
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How efficient are cleansers in dealing with other pathogens? The sample collection and lab analysis was done under aseptic conditions to ensure no external factors affected the result. The experiment yielded positive findings, as most bacteria (excluding spores) and fungi were killed by the sanitizer.
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Biologically Important Molecules: Carbohydrates, Proteins, Lipids and Nucleic Acids Biology Lab Report
4 pages (1213 words) , Download 0 , Lab Report
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Examples include glucose, maltose, and starch respectively. Chains of monosaccharide yield disaccharides and polysaccharides. A monosaccharide will have a general formula (CnH2nOn) (Helen 8-29). Proteins are made up of long chains of amino acids. 
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The Effect of Fungi In Inhibiting the Growth of Microorganisms Biology Lab Report
4 pages (1491 words) , Download 0 , Lab Report
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The findings indicate that there is a significant difference (P>0.05) in the numbers of organisms isolated using either an air sampler or leaving a plate open for a similar period of time. Fungi are among microorganisms that cause diseases of Vaccinium corymbosum L (highbush blueberry) (Allan, Hadwiger, 1979). 
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The Effects of Pb and Hypoxia on the Oxygen Consumption of Crayfish Biology Lab Report
4 pages (1354 words) , Download 0 , Lab Report
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As a result, these organisms are forced to employ certain physiological mechanisms to compensate for the changes such as the reduction in O2 concentration and an increase in Pb. The concomitant effects of Pb and hypoxia on oxygen uptake were tested on the C. destructor, Yabbie, to elicit whether increased Pb and hypoxia have an effect on respiration.
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Types of Stem Cells Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
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The researcher states that stem cell therapy has helped to prolong the lives of countless individuals who were once thought of being beyond recovery. It has also given hope to countless others as scientists and medical practitioners continue their quest to satisfy the need to find new and better ways to improve the lives of people through stem cell therapy.
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Concentration of Blood Glucose Biology Lab Report
4 pages (1316 words) , Download 0 , Lab Report
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A diabetes diagnosis is determined with an FPG value of ≥ 7.0mmol/l. In the case whereby the level of glucose is below 7 but raised to a commendable degree, there is still the possibility of the patient considered diabetic. In addition, the patient may possess a condition referred to as an “impaired tolerance for glucose.
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Genetically Modified Organism: Definition, Examples, Facts Biology Report
4 pages (1304 words) , Download 0 , Report
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A third issue surrounding GMO and genetically engineered food products is whether the food products that are being sold on the shelves of markets should be labeled or not. Around 90% of the food products that are being supplied within the markets have been produced through some form of genetic modification (Weise 1).
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Food Preparation and Salmonella in Saudi Arabia Biology Research Proposal
4 pages (2203 words) , Download 0 , Research Proposal
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The Saudi Arabian government should put in place food and health quality policies to safeguard the health of its people in Riyadh restaurant. The government should ensure that food safety is maintained through the Saudi Arabian Food and Drug Authority. The body monitors drugs and food safety to ensure that Saudi Arabian people are secure from diseases.
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The Neural Substrates of Synesthesia Biology Literature review
4 pages (1341 words) , Download 0 , Literature review
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Synaesthesia differs from most other neuropsychological conditions in that it is a positive symptom, i.e., it is defined by the presence of a trait not found in other members of the population rather than by the absence of a function, as in neglect, amnesia, aphasia, and so on (Ward & Mattingly, 2006).
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Iron Is One of the Most Important Trace Elements in the Diet Biology Term Paper
4 pages (1000 words) , Download 0 , Term Paper
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As one of the most abundant minerals on the earth and essential for nearly all the organism both plant and animals, it traces its origin from the time nutrient were discovered around four hundred years before the new error. Due to its important function in the body iron is majorly found in food that is often taken.
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Endangered Species: Northern White Rhino Biology Report
4 pages (1183 words) , Download 0 , Report
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The most common classification is based on the color of their skin and therefore we have black and white rhinos. The black rhino is a commonly found mammal in the grassland savannah where the animal grazed. The animal has a shorter front horn and hence not a popular target for ivory poachers. On the other hand, the white rhino has a long horn and hence a target for poachers.
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Understanding Insect Anatomy Biology Lab Report
4 pages (1198 words) , Download 0 , Lab Report
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Therefore, this experiment was used with the specimen being cockroaches and locusts to be dissected and examine various characteristics that can be used to establish the differences between the two. Generally, an insect will have three parts; - the head, the thorax, and the abdomen. 
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Brachionusrotundiformis - Live Feed Biology Lab Report
4 pages (1072 words) , Download 0 , Lab Report
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In the current trend of aquaculture, two types of rotifers are being used. They include the Brachionusrotundiformis that was formerly known as S or SS-type and the (Brachionusplicatilis, referred to as L-type. Rotifers have proven to be very fast as far as reproduction is concerned. In this case, 1,000 rotifers can become 1,000,000 in 5 to 7 days.
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Arctic Fish Biology Report
4 pages (1285 words) , Download 0 , Report
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Within these extreme conditions, we find ourselves developing admiration towards the natural world's ingenuity. To explore these diversities, I have chosen Montana Arctic Grayling fish since I find it as one of the most species that exemplifies adaptation at its most extreme. Below images are pictures of this particular fish species.
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Appreciation of the Common Black Wattle Biology Report
4 pages (1857 words) , Download 0 , Report
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Commonsensical it is, then, that should value be assigned to the cost and benefits of black wattle plantations, the ensuing economics would favor the phasing out of this invading tree and, in its lieu, consider developing the native vegetation of Tanzania (FAO 1992 interestingly points out that should Tanzania drops black wattle it is not going to head to a broke).
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Anatomical Structure and Their Clinical Significance Biology Report
4 pages (1386 words) , Download 0 , Report
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The muscles acting on the lateral compartments are fibularis longus and fibularis brevis whose main action is to avert foot and also the weakly plantarflexes while those acting on superficial posterior compartments include gastrocnemius, soleus and plantaris whose main activities include plantar flexes foot and flexes knee (Taylor & Schwarz, 2005).
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Biology of the Spermatogenesis Process and Men Infertility Biology Essay
4 pages (1286 words) , Download 0 , Essay
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Spermatogenesis is the process when male gametogonia, develops into mature spermatozoa, which is the mature male gametes. It takes approximately sixty-four days for spermatogenesis to form in the male. The process of spermatogenesis begins around puberty and does not stop until death, though a decrease can be seen in the quantity of sperm produced.
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Homeostasis Mechanisms of Living Organism Biology Essay
4 pages (1246 words) , Download 0 , Essay
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Homeostasis is a term meaning the constant, stable condition of open or closed systems, the latter being represented by our bodies. Homeostatic mechanisms are the feedback processes taking place in our organisms in order to bring them to constant conditions. Our bodies consist of myriads of cells placed in a fluid environment.
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Single Nucleotide Polymorphisms Replaces the Short Tandem Repeat Biology Essay
4 pages (1212 words) , Download 0 , Essay
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STR (short tandem repeat) has been used for forensics and genetic testing since the mid-1990s, especially coming to the public attention through the OJ Simpson case in California.  Some say OJ was acquitted because the jury did not understand STR DNA.  STR are repeating sets of nucleotides or genetic markers.
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Peripheral Blood Stem Cells Biology Essay
4 pages (1489 words) , Download 0 , Essay
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Immunological methods are under active research to purge the tumor cells from the collected PBSCs, making the therapy safer to practice. Methods and chemical agents are under development to enhance the mobilization of the PBSCs for a better therapeutic result in certain conditions like Multiple Myeloma where poor mobilization was the disadvantage.
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Hepatitis C Infection Biology Essay
4 pages (1166 words) , Download 0 , Essay
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The EIA measures specific antibodies to small pieces of the hepatitis C virus proteins (antigens). This test, therefore, is referred to as the anti-hepatitis C virus antibody test. A confirmatory test called Recombinant Immunoblot Assay (RIBA) should be performed on individuals who are positive for hepatitis C virus proteins (Shoenfield 6). 
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The Purpose of Cultivating Cytisus Scoparius Biology Essay
4 pages (1096 words) , Download 0 , Essay
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The purpose of cultivating and selling this invasive plant is the medicinal usage that has made it popular in the horticulture trade. In early spring, the collection of flowering branches is carried out, as studies have indicated that most alkaloid is contained in herbaceous tips of these branches, which is then used for medicinal purposes.
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Effects of Light Wavelength on Photosynthesis Biology Lab Report
4 pages (1389 words) , Download 0 , Lab Report
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Dracaena plants were used in an experiment to study the effect of different sources of light with particular wavelengths on the photosynthetic process by evaluating the amount of CO2 consumed. Appropriate filters were used to obtain wavelengths of 630 to 750 nm representing red, 570 to 590 nm representing yellow, and 490 to 560 nm representing green light.
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How Do Nerve Cells and Neurotransmitters Work Biology Essay
4 pages (1213 words) , Download 0 , Essay
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Neurotransmitters have great relevance to psychology and human behaviour. They influence learning, memory, mood and sleep besides several other mental activities. Thus, they profoundly influence human mental health. One of the neurotransmitters which play a significant role in our mental health is acetylcholine.
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Terrorist Use of Chemical or Biological Agents Biology Essay
4 pages (1176 words) , Download 0 , Essay
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One of the advantages of chemical or biological agents is that they just require dispersion of air or supply of water, as well as, surfaces that are used by humans physically. Although experts have argued over the possibility of carrying out a biological or chemical attack; however, for some, opening only a container may result in discussed damages and killings.
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Men Versus Women Biology Essay
4 pages (1123 words) , Download 0 , Essay
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The flaw in this line of reasoning is that gender classification based on the biological composition of the brain is not enough to say that men are different from women and that they excel in specific areas and fields. The fact is that individual differences can be attributed to a web of other factors besides the characteristics that allegedly differentiate the male and female brain.
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Human Genome Project Biology Essay
4 pages (1231 words) , Download 0 , Essay
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The lack of standardized procedure on which to base the result shows weak links--extending the full implementation further. This can threaten the confidence of the recipients for the project--adding psychological stress for those at the receiving end. It seems that time is the limiting factor that deems the project as imperfect.
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The Use of Embryonic Cells for Research Biology Essay
4 pages (1239 words) , Download 0 , Essay
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The proponents of embryonic stem cell research stick by their claim that it holds immense scientific potential and so must be pursued. Its opponents, even if they agree with this possibility, say that this cannot be weighed against what they see as the devaluing of human life. The proponents are of course trying to improve the lives of many who suffer.
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The Cambrian Explosion Biology Essay
4 pages (1143 words) , Download 0 , Essay
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The problem with this theory is that the level of oxygen necessary to support life on land appears to have been available long before the Cambrian. Why didn’t evolution happen sooner? Other major geologic events such as a period of “snowball earth” and methane burps caused by true polar wandering appear to be linked to the Precambrian/Cambrian boundary.
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Senescence in Plant Development Biology Essay
4 pages (1108 words) , Download 0 , Essay
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Senescence is also met among animals that are called either by metabolic disorder in their bodies or by mental disorder that is caused by the wrong hormonal state.  The same can be applied to plants but here the signs of senescence are rather different: pigment spots, slow growth, drying, low ability to bring harvest and others.
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Theory of Evolution Analysis Biology Essay
4 pages (1109 words) , Download 0 , Essay
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According to the theory of evolution, all species existent today have changed in form, shape, or characteristics over the period of time. Various factors including the environment have played a fundamental role to alter the physical and mental abilities of all living beings. In fact, the theory asserts that all species originated from the same ancestors.
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