Free Biology Essay Examples and Topics | Page 57

Carbohydrate Nutrition and Glucose Homeostasis,on Type 2 diabetes Biology Essay

8 pages (2000 words) , Download 2 , Essay

This is because one of the risks of acquiring this disease is that it may lead to the development of heart disease as well as disease of the blood vessel. Furthermore, there is also the risk of the development of high blood pressure among those who have diabetes.

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Carbon Emission Per Capita Biology Research Paper

4 pages (1048 words) , Download 2 , Research Paper

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The increased temperature of the world will result in the melting of the snow in high mountains and the drying of the wetlands because of the increased temperature. Countries have thus entered into an agreement to control their greenhouse gas emission that carbon being one of them that is stringently monitored for its actual level in the atmosphere.

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Allelopathy Biology Research Paper

11 pages (2750 words) , Download 2 , Research Paper

(3) The concentration of the extract correlates with the strength of inhibition. In this case, 10 radish seeds were placed in each of the 50 petry with 25 grams of Ailanthus altissima being placed in a blender combined with 250 ml of water and blended for a maximum period of five minutes.

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Determining Factors Affecting the Natural Selection of Woodlice Biology Lab Report

2 pages (737 words) , Download 2 , Lab Report

The alternative hypothesis in this experiment is that trait variation such as; speed can be the main factor in predation to determine the natural selection of woodlice. The null hypothesis is that the trait variation cannot be a factor of predation alone as also the type of predator affects the population of woodlice too.

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Effect of Length on the Survival Rate of Woodlice Biology Essay

7 pages (1750 words) , Download 2 , Essay

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To ascertain how the theory of Darwin works, the author included a number of woodlice in the experiment and certain traits that seemed to be linked to evolution were considered, they include weight, size, sprint time and the number of dorsal plate. Conspicuous variation existed in some of the traits such as weight and sprint time.

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Woodlice Biology Lab Report

4 pages (1000 words) , Download 2 , Lab Report

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Name Tutor Course Date Woodlice Lab Report Analysis Introduction Woodlice have been considered to have several species that roll up in perfect shapes as ways of defense. Unlike other crustaceans, woodlice are found on land but can only survive in moist surroundings.

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Potential Causes of Blackout Syndrome Biology Essay

3 pages (845 words) , Download 2 , Essay

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Patients with blackout syndrome are profusely bleeding in various parts of their body including eyes, ears, noses, hands, neck, hands and feet. After an extensive such is carried out on the premises of the patients, it is concluded that the only factor they have in common (both used milk in their meals) is the possible cause of their state.

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The effect of diffrent Concentrations of Auxin on pinto seed stem ilongation Biology Research Paper

7 pages (1750 words) , Download 3 , Research Paper

The use of growth hormones has been applied in various occasions to achieve desired characteristics in crop husbandry such as stimulating or inhibiting flowering, stimulating growth of roots and stem of the plants, initiating or removing seed dormancy and so on (Thimann & Lane, 537).

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Staphylococcus and streptococcus Biology Lab Report

4 pages (1000 words) , Download 3 , Lab Report

Culturing was both on agar and broth media incubated at 37 o c and 25 o c. The biochemical tests were: Glucose fermentation, sucrose fermentation, Lactose fermentation, Maltose fermentation, Starch hydrolysis, Citrate utilization, Catalase test, Tryptophan digestion (Indole).The most probable bacteria were Bacillus spp which includes C.Tetani, C.

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The Circadian Clocks Central Mechanism Biology Assignment

6 pages (2047 words) , Download 2 , Assignment

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In plants, the central oscillator generates an autonomous rhythm and is driven by two interacting feedback loops that are active at different times of the day. The morning loop has the CCA1 gene (Circadian and Clock Associated 1) and LHY gene (Late Elongated Hypocotyl), which encode closely related MYB transcription factors.

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The discovery of the circadian photoreceptor Biology Assignment

6 pages (1500 words) , Download 2 , Assignment

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It was not until early 1900s that a genetic perspective proved helpful in trying to understand the behavior of these photoreceptor molecules. The gene coding for these photoreceptors were detected by breeding of bean plant under two different conditions, of long periods and short periods.

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Seed Saving and Biodiversity Biology Essay

3 pages (1034 words) , Download 2 , Essay

The microorganisms that are usually responsible for the maintenance of soil fertility and circulation of nutrients in the soil are usually killed or their activities halted. In her analysis, Vandana Shiva explained, the effects of GMOs, and she also emphasized that people should be allowed to make their own decisions on what seeds to plant.

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Bacteria cross contaminants Biology Essay

28 pages (7000 words) , Download 2 , Essay

The following tests were done: For Morphological test; both culturing and Gram staining was done. The samples were cultured both on MacConkey and r2a plate. The biochemical test carried out on the sample include, Catalase test. Different cleaning equipment samples that include ec1 green mop, ec2 green cloth, ec3 pink cloth, ec4 lime-yellow cloth, ec5 blue mop, ec6 red mop were compared to determine the level of contamination.

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How Natural Selection Drives Evolution Biology Essay

3 pages (1021 words) , Download 3 , Essay

The environmental ecosystem includes both living and non-living components. The various activities of living organisms especially humans have caused major changes to the environment over the years. One of the principal ways by which the environment is affected is by the release of greenhouse gases into the atmosphere.

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Genetically Modified Foods Biology Essay

3 pages (793 words) , Download 2 , Essay

The process of modifying crops has also been found to increase the number of mortalities among cattle and other livestock. Removal of genetically modified feed for animals has also been found to reduce the number of deaths and other illnesses that had been previously affecting the animal while it was fed with modified food

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Does Genetic Reprogramming Holds Promise for the Discipline of Regenerative Medicine Biology Research Paper

9 pages (2414 words) , Download 3 , Research Paper

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In 2006, Yamanaka and other scientists discovered that fibroblasts of humans and mice could generate pluripotent cells (iPSC means Induced Pluripotent Stem Cells) when genetically reprogrammed (Giordano 307). The genetic programming makes these somatic cells lose the characters of their specific tissues and become pluripotent.

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Animals with a saccade and fixate eye movements strategy. Why should this be so Biology Essay

7 pages (1750 words) , Download 2 , Essay

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The saccade is the word use to refer to the fast eye movement. The eye being on organ in animals can be referred to as a device the same as in a machine that is very useful with the issue of providing sight to the animal as per that matter.

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What are the key differences between human speech and other animal vocal communication systems Biology Essay

13 pages (3250 words) , Download 2 , Essay

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In 1987,researchers of animal vocal communication collaborated and researched concerning theories that encompass concepts of animal vocal communication.The Game Theory,an analysis of the animal vocal communication studies,includes data and descriptions that analyze the frequency dependence of animal vocal communications in a given or observed setting.

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Hills Reaction to Demonstrate the Electron Transfer during the Light Reaction of Photosynthesis Biology Essay

4 pages (1024 words) , Download 2 , Essay

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At the end of the practical, the learner should produce a report that can be used by other scientists to understand the light dependent reaction in photosynthesis and the electron transfer to high energy molecules like ATP and NADP+ and how they are substituted by DCPIP (Dichlorophenol Indophenol) in the Hill reaction to demonstrate the same.

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Difference between Learning from the Class and Practical Biology Essay

5 pages (1479 words) , Download 2 , Essay

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There is a big difference between learning from the class and practical. While classroom learning is sometimes boring, practical is more fun and makes a student understand real life better. This is one reason that made me choose Marine Biology since the class trips are a must for the students taking the class.

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Membrane Budding in Cells Biology Essay

2 pages (500 words) , Download 2 , Essay

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Membrane budding is also vesicle budding or vesicle formation. The process involves evagination of a membrane to form a vesicle. Vesicles are minute membrane enclosed sacs, which are responsible for transportation of cargo inside a cell. Vesicle budding is responsible for membrane activities such as vesicular transport and virus release.

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Tobacco growth Biology Lab Report

4 pages (1000 words) , Download 2 , Lab Report

This study aimed at exploring effects of type of soil on the germination and growth of Burley tobacco. The study used complete blocked design, an experimental design, and analysis of variance to establish that type of soil does not affect the plant’s germination but affects the plant’s growth.

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Alzheimer's - Current research and treatments Biology Research Paper

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

Current scientific research is under away looking at the causes treatment and possible preventions. The Synapses of the brain are destroyed in the thinking areas of the brain. Research shows that such people have damaged brain cells, called tangles, and amyloid plaques or deposits between cells.

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Microbiology Report Biology Essay

4 pages (1000 words) , Download 2 , Essay

The butchery is a leading retail outlet and a variety of meat products are available: beef, lamb, poultry, sausages, burgers, bacon and gammon. These meat is highly susceptible to microbial contamination hence the need for strict compliance with food safety regulations.

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Clinical immunology Biology Essay

4 pages (1000 words) , Download 3 , Essay

This reaction causes the body to show symptoms of allergy. When he consumed any of the above foods, he suffered from eczema. Eczema is a condition where a patient gets red scaly rashes on the skin it is common in infants (Wong, 2010). Question 2 Christopher has positive allergen specific IgE to house dust mites because in this case smaller units are studied as compared to the skin prick test which studies bigger units yet the dust mites have very minimal impact to Christopher’s immune system which cannot be detected through the skin prick test.

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Sodium Concentration and Hippocampus Atrophy Biology Case Study

3 pages (948 words) , Download 2 , Case Study

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The body contains a lot of water and although it has many elements in it its MR spectra can be measured, many of the clinical MR systems usually use the spectra emitted by hydrogen ions or base their analysis on the hydrogen MR spectra. In this regard, the concentration of ions both within and without tissues and cells of the brain can be used to detect anomalies in those tissues.

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The description, feeding and threats of Arabian oryx Biology Essay

5 pages (1250 words) , Download 2 , Essay

The Arabian Oryx, amongst all Oryxes, lives in the driest and hottest habitat; thus, having a lower level of water requirement is essential to survive in such a habitat. The Arabian Oryx is an elegant white antelope distinguished for its long unbowed horns.

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Caffeine affects blood pressure Biology Term Paper

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

It is present in various foods like chocolate, tea, coffee and certain soft drinks like cola and in some medicated compounds (Hartley et al, 2001). Caffeine has stimulatory effects on the central nervous system. It causes temporary restoration of alertness after warding off drowsiness.

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How come immune system does not fight cancer Biology Research Paper

7 pages (1750 words) , Download 2 , Research Paper

Types of cancer There are basically 5 types of cancers: carcinoma, sarcoma, lymphomas and leukemias, germ cell tumor and blastoma. Carcinomas are cancers that are derived from the epithelial cells. Cancers of the breast, lung, prostate, colon and pancreas fall into this category.

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Methodology for albinism Biology Essay

4 pages (1000 words) , Download 2 , Essay

The disease is hereditary in nature and occurs due to abnormal distribution or synthesis of melanin, a protein which is responsible for pigmentation of the eyes, hair and skin. In the eyes, melanin is present in the iris and retina. (Okulicz, 2002). Melanin synthesis may be completely or partially absent or the distribution can be abnormal.

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Principles of Biology: Mitosis Biology Essay

5 pages (1362 words) , Download 2 , Essay

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In byline, the author of the article, Daniel Needleman, has said that experimentation has been able to understand the difference that exists in this cell division phenomenon among the animals. This difference is found out to reside on the chromosomal and molecular level rather than on a higher-level view.

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Jellyfish: Unique and Aquatic Creature Biology Essay

4 pages (1137 words) , Download 2 , Essay

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Historically, Jellyfish is said to arise in the late Precambrian period when the first tectonic plate began to move and formed eukaryotic cells. During that period, there was so much oxygen in the atmosphere, and this condition birthed the first animal. As a result, few creatures resembling worms and jellyfish became discovered.

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Underground water in UAE and Their Quality, Distribution and Their Effects in Plantation Biology Case Study

6 pages (1833 words) , Download 3 , Case Study

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Over centuries, settlement and civilization patterns in the U.A.E has been under the influence of water availability and distribution pattern. The arid climate of the U.A.E is the primary cause of many challenges that face the inhabitants of the different parts of the Emirates. U.A.E faces a massive challenge in providing a sustainable supply of water for use in various facets of the economy.

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Clinical Immunology: Case Study Biology Essay

7 pages (1500 words) , Download 2 , Essay

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The author states that Christopher has a positive allergen specific IgE to house- dust mites as demonstrated symptomatically with atophy and rhinitis. A portion of the population may show negative responses in SPT’s and are unresponsive to any of the compounds though it is possible for an auto immune response to be presented.

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Recommendation report in comparing two water provision methods for an arid region Biology Essay

6 pages (1500 words) , Download 2 , Essay

The need of transportation requires fuel which in turn requires oil. The need for shelter requires building material which in turn requires material. The need for sustenance requires a well balanced diet; requiring food sources from around the globe. However, the most basic and fundamental building block of human life is of course water.

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Cellular and Molecular Pathology Biology Essay

6 pages (1500 words) , Download 3 , Essay

Since this case involves a human being and thus human materials, which is a scarce situation. Surgical materials or rather tissues are the best source of human tissue due to the ability to remove the normal tissue together with the affected/diseased tissues.

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Demonstrating Osmosis Using Dialysis Membrane Biology Research Paper

6 pages (1633 words) , Download 3 , Research Paper

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According to Dr. Patlack and Walters, understanding osmosis requires an examination of both solvent and solute behavior and, especially, the effect of solute on solvent behavior. Water is the universal solvent of life since a good majority of solvents dissolve in this solvent. The substance that can dissolve in water is known as a solute.

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Organic Food Biology Research Paper

8 pages (2000 words) , Download 2 , Research Paper

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According to this report organic food can be defined as the food produced by using natural elements including nature and environment with the use of minimum or no amount of synthetic products. Organic food is much more tasty and healthy compared to the industrially produced ones. It is favorable not only for us but also for the animals and the environment.

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Pros and Cons of Breast Cancer and Biomakers Biology Research Paper

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

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Pros and Cons of Breast Cancer and Biomarkers Introduction "Tumor markers or biomarkers are substances that are produced by cancer or by other cells of the body in response to cancer or certain benign (noncancerous) conditions" (National Cancer Institute, 2012).

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The importance of bees Biology Research Paper

6 pages (1500 words) , Download 5 , Research Paper

Although the worker bee is a female, it lacks the ability to reproduce. The drone mates with the queen while the queen plays its important role of laying egg. Worker bees collect pollen and nectar to feed the colony, clean the hive, and take care of the young ones (Jorgensen, 2009).

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Plant and animal partnership Biology Research Paper

6 pages (1500 words) , Download 2 , Research Paper

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This is being done in the context of discussing in detail some of the core themes that have been the subject of intense focus in class, including plant ecology in the context of human culture and the interplay of the following- plants, their domestication, the impact of domestication on ecosystems, the impact of plant characteristics on cultural evolution, and the utility of plants in the culture of people.

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Fast Protein Liquid Chromatography Biology Term Paper

6 pages (1730 words) , Download 4 , Term Paper

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Chromatography is a method of separation utilized in laboratories for the separation of chemicals dissolved within the same solvent. This is otherwise known as a mixture. It was developed by a Russian-Italian scientist (Mikhail Tsvet) in the 1900s. It was further developed and improved by Archer John Porter Martin and Richard Laurence Millington Synge in the 1940s and 1950s period.

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Tropical rain forest Biology Research Paper

5 pages (1250 words) , Download 4 , Research Paper

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University of Michigan (The Tropical Rainforest) further argues that Conservation of rainforests contributes to a wealth of resources for survival and well-being of human kind. Tropical rain forests ecosystems are forests in the tropics that receive 4-8 meters of rain each year (Newman, the Tropical Rainforest).

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Favorite Organism: Elephant Biology Research Paper

6 pages (1629 words) , Download 2 , Research Paper

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They have several distinctive features when compared to other mammals. They have a long trunk, also known as proboscis which serves several purposes including grasping objects. Their incisors grow enormously and are known as tusks. These tusks are used as weapons and also as tools for digging and moving. The ears of an elephant are very large.

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The cure Biology Book Report/Review

3 pages (750 words) , Download 2 , Book Report/Review

Pompe disease is known to devastate the body to such an extent that one cannot move the muscles among other things like breathe and talk. Their motivation to investigate through research the disease was not borne out of nothing, of their three children, two; Patrick and Megan 3 and 4 years respectively were suffering from this condition.

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The Components Required for a Homeostatic Feedback Mechanism Biology Essay

4 pages (1141 words) , Download 4 , Essay

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Angiotensin 2 then acts directly on the kidneys to prevent further water excretion. Also, it causes the release of aldosterone which acts on the renal tubules to bring NaCl back from the distal tubules creating enough osmotic difference for the transport of water back to the body thus retaining it inside the body.

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Obesity Is Increasingly Referred to as a Global Epidemic Biology Essay

6 pages (1702 words) , Download 2 , Essay

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Obesity is a health condition that puts the body in a very risky position of getting attacks from other diseases and dangerous conditions like a heart attack. An obese person is therefore one who has too many fats in their body than should be, hence greatly affecting their body weight. Being overweight in an individual can therefore be classified as obesity when their Body Mass Index exceeds 30.

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Plankton Refers to a Family of Small Animals or Plants Biology Research Paper

11 pages (2285 words) , Download 2 , Research Paper

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Plankton refers to a family of small animals or plants, usually microscopic, found drifting floating in clusters on both salt and freshwater bodies. The planktons come in three distinct types. To begin with, is the tiny and often microscopic plants called phytoplankton. They are photosynthetic single-celled organisms that manufacture their food using sunlight energy.

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Biology of health and illness - the digeative system Biology Essay

3 pages (750 words) , Download 2 , Essay

When human beings take in foods such as vegetables and carbohydrates, they must be broken down to smaller particles that can be absorbed in the blood and body cells. The human digestive system is made up of a combination of organs from the mouth to the anus.

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SDS PAGE Biology Term Paper

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

This method was introduced in 1967 and has since become a popular PAGE process. (Shapiro et al, 1967) SDS PAGE sample contains sodium dodecyl sulphate/lauryl sulfate, ?-mercaptoethanol (BME), bromophenyl blue, glycerol, and Tris-glycine at pH 6.8. SDS removes secondary and tertiary protein structures and maintains the proteins as polypeptide chains, it also gives negative charges to protein molecules, ?

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