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Biology Essays

Result for Subject Biology:
3614 essays
Biogeography of Bottlenosed Dolphins or Tursiops Truncatus Biology Research Paper
9 pages (2250 words) , Download 2 , Research Paper
Free
Individual variations in movement within an area with males dispersing far from there natal homes more than the females, probably in search of receptive female partners, are also observed (Connor et al., 91). However it is only the offshore forms that such movements are observed, the coastal forms remaining closer to their homes.
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Climate Change and Its Impact Biology Essay
10 pages (2500 words) , Download 3 , Essay
Free
Climate change is a phenomenon which is the result of degradation of the environmental and ecological balance. Climate comprises a wide range of conditions and patterns in temperature, humidity, precipitation, wind, season, etc. (Department of Ecology, n.d.). Climate change refers to the occurrence of different weather and climatic patterns.
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Growth and Survival of Microorganisms in Different Environments Biology Lab Report
7 pages (2018 words) , Download 1 , Lab Report
Free
Many bacterial species have the capacity to grow under different environmental conditions. Microbiocidal refers to the capacity of the compound to kill the microbes completely while microbiostatic compounds disrupt the growth of microbes. However, if there is no growth from the sub-culture, then the original treatment resulted in killing all bacterial cells and was therefore microbiocidal in effect.
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Klebsiella Pneumoniae Biology Research Proposal
5 pages (1250 words) , Download 3 , Research Proposal
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Klebsiella pneumoniae belong to Kingdom- Bacteria; Phylum- Proteobacteria; Class- Gamma Proteobacteria; Order- Enterobacteriales; Family- Enterobacteriaceae (Todar). It is a Gram-negative rod. The bacteria do not possess flagella and therefore not motile bacteria. It possesses a capsule and therefore it is encapsulated.
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The Human Cell Biology Term Paper
20 pages (5000 words) , Download 2 , Term Paper
Free
This research will begin with the statement that the phenomenon of life is complex and has never ceased to intrigue our senses. Understanding this complex phenomenon requires the interpretation of processes at the very basic level. Cell is the basic unit of living organisms. It is the simplest and the smallest living unit. It has organelles for various functions.
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Desert Food Web Biology Assignment
2 pages (500 words) , Download 2 , Assignment
Free
According to the paper, in the desert biomes, the spiny nature of plants minimizes lose of moisture content by reducing transpiration. Plants such as brittle bushes, creosote bush, bur sage, cat claw, mesquite, rabbit brushes, lyciums, and jujube are abundant in deserts and these are the primary producers in this biome. 
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Animal Rights Biology Research Paper
5 pages (1250 words) , Download 1 , Research Paper
Free
The American Association for the Advancement of Science clearly presented these words, “The use of animals continues to be essential…. In applied research with direct clinical applications in animals and humans.” Animals are used in psychological research because they assist in the better understanding of human psychological characteristics.
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Biometric Technologies Biology Research Paper
15 pages (3750 words) , Download 2 , Research Paper
Free
It is essential for a healthcare team to conduct necessary care and medical action to prevent the loss of life most especially during emergency situations. Much has been done to improve turnaround time in the medical field. Paramedics and emergency teams are well trained in ensuring swift and accurate handling of medical emergency cases.
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Plant Competition Biology Assignment
10 pages (2724 words) , Download 3 , Assignment
Free
The author states that plant competition can be categorized into two types: intraspecific and interspecific. Intraspecific competition occurs when individuals of the same species compete for the same resources in a particular area. Two trees growing closer with each other or two flowers planted on the same pot will vie for the same nutrients.
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Biotechnological Advancements Biology Assignment
8 pages (2395 words) , Download 1 , Assignment
Free
In the agriculture sector, many technologies are used such as genetic manipulation and gene transfer, development of recombinant vaccines, molecular markers, DNA-based disease diagnosis and characterization, embryo transfer and in vitro propagation of plants. In the food industry, the food processing is the main part where biotechnology intermission is required. 
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Harlow's Observations in The Nature of Love Biology Research Paper
7 pages (1750 words) , Download 4 , Research Paper
Free
The result of the experiments was that the “like babies were healthier and heavier than monkey-mother-reared infants’ (Harlow, 1958, p. 675). It was mainly because of human scientists were more capable of feeding the infant monkey with better nutritious food and providing them with better care.
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The Arboreal and Cursorial Hypotheses of the Flight Origin Biology Research Paper
8 pages (2000 words) , Download 2 , Research Paper
Free
The origin of flight has been widely debated since the Ancient Greeks. There are several anatomical developments in modern birds and paleontological discoveries, such as the furcula used for skeletal bracing that can be used to discover how a flight is possible and give clues as to how the skill evolved.
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The Mixture of Protein Macromolecules Biology Term Paper
11 pages (3448 words) , Download 1 , Term Paper
Free
Electrophoretic separations are almost always applied with use of gels since they can function as a sieve for molecules. Smaller protein molecules compared with the pores present in the gel promptly travel through the distance of the gel, while larger protein molecules relative to the size of the gel pores are rendered nearly fixed.
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The Example of a Daily Diet Used for Analysis of Each of the Food Groups Biology Coursework
4 pages (1000 words) , Download 0 , Coursework
Free
Protein is especially important in the human diet because humans cannot synthesize all 21 amino acids and thus must obtain them nutritionally (Zoumbaris, 2009). Nutritional proteins, found in meat products and egg albumin, for example, can be broken down into their constituent amino acids and as a result are important for the conservation of life.
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Biological Science and Extraction of DNA from Kiwi Fruit Biology Assignment
4 pages (1000 words) , Download 0 , Assignment
Free
The mixture was incubated at 600C for 15 minutes using a home-made water bath and the mixture was then filtered with a coffee sieve. Finally, DNA was separated by adding ice-cold methylated spirit and was observed as white substances at the junction of alcohol and Kiwi fruit mixture.
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The Historical Evolutionary Concept and Its Impact on Population Biology Term Paper
4 pages (1000 words) , Download 0 , Term Paper
Free
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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Short Answers for Plant Diversity Botany Class Biology Assignment
9 pages (2448 words) , Download 1 , Assignment
Free
Even in the tallest plant each and every leaf present at the top is supplied by eater. This movement of water is against the gravitational pull. It is therefore imperative to have a theory that can possibly demonstrate the movement of water along the length of the plant, as this is vital for the survival of the plant.
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Traditional Vegetables of Sicily Biology Dissertation
13 pages (3250 words) , Download 2 , Dissertation
Free
The author states that artichoke also refers to the edible bud of the globe artichoke as well as the edible tubers of the Jerusalem artichoke and the Chinese artichoke. When unspecified the term artichoke refers to globe artichoke or Cynara, a genus of the family Asteraceae that is characterized by the presence of an inflorescence or floral head.
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Climate Change: An Outcome of Anthropogenic Factors Biology Essay
7 pages (1750 words) , Download 2 , Essay
Free
Based on the assumption that significant anthropogenic warming has taken place over the past 50 years over each continent except Antartica, it has been concluded that anthropogenic climate change is having a significant impact on physical and biological systems globally. Climate change is occurring on all continents and in most oceans.
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Why Do So Many People Still Die of Malaria Biology Coursework
8 pages (2000 words) , Download 2 , Coursework
Free
Scientists discovered another dangerous species known as Plasmodium knowlesi. Medical practitioners opine that humans may get infected with more than one type of Plasmodium at a time. Although effective medicines have been developed for the treatment of this disease, any failure in timely diagnosis would make the disease dreadful.
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Does Specialization Must Lead to an Evolutionary Dead Biology Term Paper
7 pages (1750 words) , Download 2 , Term Paper
Free
Thus based on the evidence of host shifts available from host-parasite studies, it is safe to claim that specialist retains the ability to develop into generalists. Considering the fact that parasites are the most stringent specialist known, the same theory can be extrapolated to include other living organisms as well
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Brain Mapping - Molecular Basis of Diseases and Behavioural Changes Biology Coursework
5 pages (1512 words) , Download 1 , Coursework
Free
The biological basis of thought has often been a source of interest to scientists for a long time. Currently, such an understanding has been possible through brain mapping. Advances in brain mapping have contributed to the understanding of several psychological, surgical and anatomical problems in the brain, thus providing clues for improved management and prediction of treatment outcomes.
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The Cell Wall of Prokaryotic Cells Biology Essay
4 pages (1337 words) , Download 0 , Essay
Free
Much research has been done on analyzing the genetic process in the prokaryotic cells and this paper will focus upon the prokaryotic cells with regard to the important features of replication in these cells. The prokaryotic cells are small in diameter and their size ranges from 1 to an average of 5 micrometers.
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ELISA Approach Analysis Biology Case Study
4 pages (1234 words) , Download 0 , Case Study
Free
A specific antibody is introduced over a sample of an antigen so that binding may occur. The antibody is linked to an enzyme, and the plate is then washed. This step is extremely important because the immunoglobulin is in excess, and the color enzyme will distribute incorrectly. Some type of detection method is used; usually, a color-changing substance is added.
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The Effect of Increasing Concentration of Enzyme Biology Lab Report
10 pages (2744 words) , Download 2 , Lab Report
Free
The two fundamental prerequisites for any form of life are efficient and specialized catalysis of biochemical reactions and the ability to self-replicate. Enzymes are the proteinaceous biological catalysts that carry out biochemical reactions. There are about 2,000 enzymes in our body that participate in different reactions.
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Cave Lions - Biology, Evolutionary Origins, and Extinction Biology Case Study
5 pages (1418 words) , Download 0 , Case Study
Free
Lions are the most feared wild species of the animal kingdom. Actual attacks by lions against both animals and humans have been recorded over the years, causing severe injuries and even deaths. With its size and muscular body, paws, canine teeth, and hunting skills, the modern-day lion can kill and eat their prey using a few hunting moves.
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Colony Collapse Disorder in Honey Bees Biology Research Paper
6 pages (1500 words) , Download 4 , Research Paper
Free
As the paper, Colony Collapse Disorder in Honey Bees, outlines, the enormity of the situation has compelled Honeybeescientist to unravel the cause behind the occurrence of such as disorder. Several causative factors such as pathogens, pesticides, antibiotics and other factors such as climatic changes have identified as possible reasons for the disorder. 
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Loss of Genetic Variation May Harm a Population Biology Assignment
4 pages (1000 words) , Download 0 , Assignment
Free
Along with this decline in a number of individuals, consisting with progressive loss in habitat for nesting (with a rate of egg success of 93% in 1937 but going on a downward spiral and hitting 50% in 1980) and isolation, the remaining populations of prairie chickens show a concerning reduced genetic variability.  
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The Pony Fish's Glow and Other Cues to Plan and Purpose in Nature Biology Assignment
7 pages (1961 words) , Download 1 , Assignment
Free
One of the things that struck me most is that the process and the outcome of natural selection could be similar to the artificial selection practised in farming and poultry raising. Moreover, evolution or natural selection put an emphasis on the interaction between the physical environment and the species. 
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Sciences Understanding of Life in Extreme Conditions Biology Assignment
3 pages (1137 words) , Download 6 , Assignment
Free
These professionals come from many different fields and often work in collaboration with other experts on exciting and dynamic topics. Their projects have the potential to unearth the that our universe holds and to provide valuable new tools
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Evolution of The Horse Biology Research Paper
5 pages (1250 words) , Download 1 , Research Paper
Free
The genus Hyracotherium lived during the lower to middle Eocene. It was a small dog-sized mammal with four toes on its forefeet and three on the rear. It had low-crowned teeth with horse-like ridged molars. The face was short with centred, forward facing eye sockets and a short distance between the front and cheek teeth. 
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Theory of Evolution Analysis Biology Essay
4 pages (1109 words) , Download 0 , Essay
Free
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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River Otter or Lontra Canadensis Biology Research Paper
4 pages (1000 words) , Download 0 , Research Paper
Free
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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Senescence in Plant Development Biology Essay
4 pages (1108 words) , Download 0 , Essay
Free
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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Gene Isolation and Expression Biology Essay
6 pages (1965 words) , Download 1 , Essay
Free
The Saudi Arabian people have genes that are not susceptible to diabetes mellitus in their bodies. E23K is the most important gene for continuous insulin secretion. Whereas the people of other origin are having the T2D susceptible genes which when mutated or mislead will cause stop insulin production. Instead of the susceptible gene, they have a well-performing inducing gene.
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The Fontal Lobes Anatomy and its Connections with Other Parts of the Nervous System Biology Research Paper
7 pages (1750 words) , Download 2 , Research Paper
Free
Saving long-term memories is also an important function of the frontal lobe of the brain. Social and sexual behaviors are controlled by the frontal lobes too. Broca’s area of speech is present in frontal lobes which help in speech and language. The Broca’s area also help to determine as to which hemisphere of the individual is dominant 
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Heavy Metal Lead (Pb) and Cadmium (Cd) Cytotoxicity Assessment in Newborn Rats Biology Research Paper
19 pages (4750 words) , Download 2 , Research Paper
Free
The data showed that prenatal and perinatal exposure to these toxic metals affected the anti-oxidant activity levels and the level of MDA, suggesting that the cytotoxicity of these metals is associated with the production of free radicals and membrane lipid peroxidation. The effects of lead acetate and cadmium chloride were investigated. 
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Should We Stop Eating Meat Biology Term Paper
7 pages (1750 words) , Download 2 , Term Paper
Free
According to the World Health Organization, 30 percent of all cancers in the Western World and 20 percent of them in developing countries are due to dietary factors. When researchers of cancer started to search for the causes of cancer in the diet, observed was that those who did not consume meat were less likely to develop cancer.
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The Role of Histone Deacetylases in Human Cancer Biology Coursework
11 pages (3635 words) , Download 2 , Coursework
Free
The expression of p21 protein in the tumour cell lines can be tested by western blot assays using anti-p21 antibodies. The cell cultures exposed to SAHA can be harvested after a sufficient period of incubation and the cell digest split into two sets. One can be tested for the expression of mRNA for p21 by RT-PCR whereas the other can be used for western blot analysis.
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The Cambrian Explosion Biology Essay
4 pages (1143 words) , Download 0 , Essay
Free
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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Creating a Life: Frankenstein Biology Research Proposal
7 pages (2042 words) , Download 1 , Research Proposal
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Observation of the cell surface will be performed using a scanning electron microscope analysis to look at changes in cell shape and extracellular polymers. To prepare, cell samples will be rinsed gently with a phosphate buffer solution (pH 7.0) and fixed with 2.5% glutaraldehyde and a 1% osmic acid solution. 
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Investigating the Effect of Temperature on the Rate of Transpiration Biology Research Paper
4 pages (1000 words) , Download 1 , Research Paper
Free
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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Prevention of Spread of the Emerging Pathogens Biology Term Paper
14 pages (3500 words) , Download 2 , Term Paper
Free
Some bacteria are beneficial in other ways like they are used in agriculture for plant growth and some are used for cleansing of water. These bacteria act as pathogens which are destroying the health of many individuals in the society. Many pathogens are emerging in the society as antibiotics are getting resistant to the old pathogens.
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DNA Damage Induced by Satraplatin Biology Lab Report
5 pages (1446 words) , Download 0 , Lab Report
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Treatment with vinflunine did not induce any increase in MN within binucleated cells. But it increased MN within mononucleated cells as shown in Fig. 5. As compared to the MMC-treated lymphocytes, NDI values were found to be decreased only in cells treated with 0.6μM (1.2-fold decrease) and 6μM (1.3-fold decrease) vinflunine.
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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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The Use of Embryonic Cells for Research Biology Essay
4 pages (1239 words) , Download 0 , Essay
Free
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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Molecular Biology & Mechanism of Disease Biology Report
6 pages (1616 words) , Download 0 , Report
Free
In the present study, G +ve Streptococci pyogenes and Staphylococcus aureus and Gram-negative Salmonella spp,  Serratia marcescens, Aeromonas hydrophila,  Klebsiella oxytoca were isolated. Considering the impending role of these micro-organisms in the disease-causing abilities and virulence they possess it is essential to consider the microbiological examination of consumables as a necessity.
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Microscopic Structure and Function of the Main Types of Human Cells Biology Assignment
6 pages (1645 words) , Download 1 , Assignment
Free
Bones work to mobilize the body by providing muscle attachment points and protecting the internal organs of the body. In addition, they serve as factories for the production of red and white blood cells. Bones store various vital minerals and are a reservoir of calcium, phosphorous, sodium, magnesium, and carbonate in the body.  (Bone, 2010).
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Importance of Embryonic and Adult Stem Cell Researches Biology Research Paper
36 pages (9000 words) , Download 2 , Research Paper
Reports indicate that Sweden is most supportive of all stem cell research including therapeutic cloning.  In Israel, support for embryonic and adult stem cell is equal as Jewish law does not consider blastocysts as life until it is in women’s uterus.  However, it faces some problem with respect to funding because Israel’s funds come from the U.S.
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How Do Changes in Chromosome Number Evolve Biology Term Paper
12 pages (3000 words) , Download 2 , Term Paper
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Evolution is the progression of alteration and modification in all aspects of life over creation. The bio-assortment of life progresses through natural selection and genetic drift. It is established that every individual carries a plethora of genetic material or genes inherited from the previous generation and then passes this genetic material.
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