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Biology Essay

Biodiversity. How Pharmaceutical companies are extracting precious plants and knowledge from poor countries and indigenous tribes strictly for profit
Plants as sources of healing substances are evident in the fact that many of them were planted at home within the close reach of the homeowners for use in the event of ailment. Many medicinal plants were thus planted in farm gardens so that they could be used for treating fast illnesses whenever they occurred even without the intervention of other remedies. Physicians, midwives and herbalists in the 1800s were specifically trained in the use of medicinal plants to solve various medicinal
Pages: 10 (2500 words), Essay
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Formal report based on biology lab
At this point of light wavelength absorption, the chlorophyll a and b are responsible for the absorption. There are other accessory pigments that helps absorb light wavelengths that do not fall within the active wavelength. An example of these accessory pigments the carotenoid (Mauseth, & Mauseth 2009, p.Since the aim of the experiment was to establish the effects of the light wave length on germination of the pea plant, several batches of the plant were taken and simultaneously grown in the
Pages: 4 (1000 words), Essay
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The Microscope
Moreover, its use is now increased in most researches.As mentioned afore, Microscope is an optical instrument that makes use of a single lens or a combination of lenses to generate enlarged images of objects that can’t be seen by naked eye. Microscopes may be categorized as electron microscopes (e. Light microscopes and scanning probe microscopes. In the compound microscope used two lenses or lens systems. One lens magnifies the image of an object which is then again magnified by the second
Pages: 5 (1250 words), Essay
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Respiration and diffusion
Temporarily, the polluted blood from the veins liberates its carbon dioxide into the alveoli. Carbon dioxide takes the same course out of the lungs when one breathes out.The system includes the heart and the blood vessels and circulates blood all through the body. An individual’s body has approximately 5 liters of blood constantly circulating through the circulatory system. Circulatory organs team up, to form a proficient pipe system for ones body.The human body has three parts namely, the
Pages: 4 (1000 words), Essay
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Describe the importance of angiogenesis for the development and treatment of cancer
In this case both processes have a fundamental function in the generation of a new vascular net to supply nutrients, oxygen and immune cells into the system, as well as facilitating the elimination of waste products. The angiogenic and lymphangiogenic determinants are gradually more receiving consideration, particularly in the area dealing with neoplastic vascularisation (Gotink and Verheul 12).As per the above explanations, this exercise intends to describe the importance of angiogenesis for
Pages: 9 (2250 words), Essay
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Acid base balance case study
This showed out a bicarbonate system of buffering which is normally the key since carbon dioxide was shifted by carbonic acid to the ions of hydrogen and biocarbonate. More often than not, Acid-base imbalances, which may overcome the system of buffer, could be compensated for a short time through altering the ventilation rate. This will change the carbon dioxide concentration within the blood hence altering the body’s pH.If the body begins to compensate the disturbance in the acid-base
Pages: 4 (1000 words), Essay
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Writing Assignment
Dietary deficiency of folic acid also plays a pivotal role in birth defects. The time of exposure to any of these agents play a crucial role in causing a birth-defect. Organ systems are the most affected parts due to the exposure to any of harmful agent. The central nervous system is more at risk because it starts developing during the third week of pregnancy – a time when woman is not even aware that she is pregnant. Women in the habit of consuming alcohol or drugs are most likely to harm
Pages: 8 (2000 words), Essay
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Molecular Aspects of Conservation Genetics
Unique haplotypes were identified and joined to estimate the percentage of relation between the haplotypes. Three distinct haplotypes clusters and a minimum of 11 mutational steps were recognised. Phylogenies constructed using maximum-likelihood (for both individual as well as concatenated gene regions) and Bayesian method showed the existence of two negatively monophyletic clades- Central American clade and South American clade. The genetic distance recovered between both the clades in
Pages: 4 (1000 words), Essay
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The Circulatory System and It's Importance
This is because man uses up more energy when immersed in activity. Energy comes from oxygen and oxygen comes from blood. The source of oxygen-rich blood is the heart.The four chambers of the heart can be grouped into two; namely, the upper and lower. The upper chamber or left and right atria receive the blood which has passed through the different organs in the body. On the other hand, the heart releases the blood to be used from the lower chamber or left and right ventricles.Two cardiac valves
Pages: 6 (1500 words), Essay
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Lab report
The plate was left for one day. Data were collected on the second day. In Plate B, the area was divided equally into two parts. The first part was placed with two types of fruits and the second part was placed with two types of sweets. The plate was left for one day. Data were collected on the second day. Both the individual and accumulated results were considered for the reporting of this experiment. However, to achieve comprehensiveness of observation of the multicellular properties of
Pages: 6 (1500 words), Essay
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Microbial Fuel Cells (Design Study)
The MFC consists of a semi-permeable membrane or cation exchange membrane that allows ions to pass through them but not the microbes; two electrodes, usually the cathode is made up of platinum and the anode is carbon graphite or carbon cloth. It is fitted by a wire to complete the external circuit (Microbal Fuel Cell, 2008). Wastewater is made to flow through the anaerobic compartment and the bacterial metabolic action on the wastewater allows electrons to become free and the cell starts
Pages: 6 (1500 words), Essay
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Science report
The result data indicates that in each single instance of the experiment the bag increased in mass after 30 minutes. In addition, the result show that starch within the bag changed to take a blue color. Evaluation using the test strip depicted glucose presence in the water/ Iodine solution.As detailed above diffusion refers to the process by which particles move from an area where they are in high concentration to an area where their concentration is low. On the other hand, osmosis is defined
Pages: 5 (1250 words), Essay
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Molecular biology cloning and Brachyury gene
Linkage analysis approach was utilized to explore whether certain genetic markers with established points in humans are present at birth along with chordoma. The initial analysis set out six genome areas that necessitated an extra examination. A comprehensive hereditary examination revealed that chromosome 6 section was more apt to be related with hereditary bone cancer. Brachyury gene that is contained in chromosome 6 is exceptionally significant in the growth of notochord. Results from
Pages: 4 (1000 words), Essay
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An analysis of libyan protected areas as ecotourism resources
This trend increases the recognition that the park visitors are important, and thus should be given a high priority. The third trend is that, increasing the level of education in the society increases the demand in park services and park management. It is worth note that, higher education increases earnings and the broader view of the societal spending and more desire and opportunity to travel from one country to the other (Chivvis, 2012).The large segment of people that uses national parks is
Pages: 4 (1000 words), Essay
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GM Research
Contrary to the most common perception that growth of genetically modied organisms or plants are anti-democratic in nature, studies and surveys have established that growing these GMO’s are in fact much more beneficial than growing the ordinary forms of the same crop or plants.”In countries where farmers are allowed to grow GM crops, they increasingly choose to do so. In 2010, 15.4 million farmers in 29 countries cultivated GM crops” (James,2010). Growing Garcinia Cambogia will also be
Pages: 6 (1500 words), Essay
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Several Drawbacks Of Coynes Theory Of Evolution
Coyne’s has laid a great deal of importance on mutation in the third chapter. He says about the mutation witnesses of evolution including vestigial organisms. Such poorly designed and useless features provide strong evidence that supports Coyne’s theory. He further provides good evidence of laryngeal nerve which runs from the throat to the aorta and back again.
Pages: 10 (2500 words), Essay
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Hela Cell Genome
Henrietta Lacks had no idea that her cells were used at that time. Decades after her death, scientists even took samples from other members of the family and tested them; however, none of these practices were disclosed to the family and neither the purpose of these practices. The final blow came when the complete HeLa genome was printed in the public and the family’s consent was not even taken. This was a serious violation of privacy rights (Smith; Skloot). It can be argued that when the
Pages: 4 (1000 words), Essay
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Leopards and Humans Conflict in india
The paper will relay information on how human-wildlife conflicts are a major problem in India in addition some of the most appropriate measures that ought to be enacted in order to minimize the conflicts.In a move to determine how adverse the conflict between human beings and wildlife has become, a number of researches were conducted in various protected regions and its environs. One study was in Akole Tahsil, a densely populated region located in Ahmednagar district. In the western regions of
Pages: 10 (2500 words), Essay
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Homeostasis in humans
For instance, glucose is transported to the blood. In case of rise in the blood sugar, for example after a meal, regulation would involve both the pancreas and the liver. In the pancreas, there are Islets of Langerhans which are groups of a special cells that secrete more insulin and less glucagon. For a system to attain a sustainable system, both the negative and positive feedbacks should be present.The lungs homeostatic functions involve regulation of pH and gaseous exchange that is by intake
Pages: 7 (1750 words), Essay
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Co-ordination
When the impulses reach the appropriate level they leave the cord to travel to the target organ.The peripheral system acts as a connection between the nervous system and the rest of the body. The peripheral system is divided into the nerves, the somatic nervous system and the autonomic nervous system. The nerves are made up of neurones that enable the travel of impulses from the centre where the activity in the body takes place to the CNS. The somatic nervous system allows the control of the
Pages: 8 (2000 words), Essay
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