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Essay Samples on Biology

WA 7
Zero population growth rate is virtually impossible because, t achieve it the birth and death rates have to be exactly the same. Hwever the growth rate can be close to zero over a long period of time. Te age structure diagram is affected by the...
Pages: 7 (1750 words) , Essay , Endangered Species , Ecosystem
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Why Are Some Fruits Sweet and Some Sour
Therefore, te desiccation process during the ripening of wind-dispersed seeds reduces the weight of the seed, wich makes it possible for wind to carry and disperse the seed away from the parent plant. I animal dispersed seeds, te ripening process increases the attraction...
Pages: 2 (500 words) , Essay
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Wooly nightshade
Addition, i produces a strong kerosene smell whenever the leaves are crushed and has the ability to flower throughout the year, poducing berries during late spring and summer – they are first green and then turn to yellow when ripe (Ramel, 2012). Bcause of its...
Pages: 4 (1000 words) , Essay
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What are the alternatives for a malaria vaccine after the RTS,S disappointments
Its infection manifest in human beings as a result of infection by Plasmodium falciparum, Pasmodium vivax, Pasmodium ovale or Plasmodium malariae with Plasmodium falciparum that is responsible for mass clinical cases and mortalities. I essence, te female anopheles mosquito transmits the plasmodium parasite. Acording to...
Pages: 8 (2000 words) , Essay , Parasite , Immunization
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Why is hepatitis E of increasing importance for developing as well as developed countries
Hepatitis E can also be as a result of placing a utensil or any other infected object into one’s mouth. I is as a result of the above mentioned reason that Hepatitis E virus is spread with ease in those areas where sanitary conditions are...
Pages: 6 (1500 words) , Essay , Hepatitis C
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Why is hepatitis E of increasing importance for developing as well as developed countries
Hepatitis E can also be as a result of placing a utensil or any other infected object into one’s mouth. I is as a result of the above mentioned reason that Hepatitis E virus is spread with ease in those areas where sanitary conditions are...
Pages: 6 (1500 words) , Essay , Hepatitis C
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Writing Assignment
Dietary deficiency of folic acid also plays a pivotal role in birth defects. Te time of exposure to any of these agents play a crucial role in causing a birth-defect. Ogan systems are the most affected parts due to the exposure to any of harmful...
Pages: 8 (2000 words) , Essay , Writing , Syndrome
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What are the strengths and weaknesses of an artificial kidney based on the use of proximal convoluted tubule cells
The mechanical removal of human waste is associated with a lot of challenges. Mst fundamental is the fact that; te patient is not continuously involved in the removal of body wastes, bt has to do it occasionally as programmed through the use of the dialysis...
Pages: 4 (1000 words) , Essay , TC Boyle , Artificial Insemination
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Why is evolution true
The first chapter of the book dwells on this by drawing an example from a zoo to describe the nested hierarchy of living things (Shubin, 2009). Te author uses the example of the common limb ancestry of all land animals characterized by five fingers, awrist,...
Pages: 10 (2500 words) , Essay , True War Story , Jaws
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Why are allergies so prodominent in Georgia
And phosphorous, wich are scarce have no cycling process, hnce they are reused several times before being released from the system (Erik, 2009). Eosystems are controlled by both external and internal factors. Iternal factors that tend to control ecosystems are succession, dsturbance and the types...
Pages: 4 (1000 words) , Essay , Human Genome , Food Allergies
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Write an essay on industrial-scale production and purification of a heterologous protein
This paper will discuss all the aspects mentioned in depth, hghlighting the factor that affect each of the steps involved in the production of heterologous proteins. Ater the successful production of the target protein, te last process involves rigorous purification of the protein. Te initial...
Pages: 18 (4500 words) , Essay , E Coli
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What is the current status of clinical gene therapy trials for Chronic Granulomatous Disorder
By Assari (2006: 6 on mice found that gene therapy, uing recombinant retroviral vectors, i an effective treatment for the reconstruction of normal neutrophils and in building ‘resistance to pathogens’ such as Aspergillus. Te author also contends that gene therapy, uing retroviral vectors in two...
Pages: 6 (1500 words) , Essay , The Salem Witch Trials , Scottsboro Trials
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Why Evolution should be taught in schools
Drawing a connection with the availability of fossil evidence, oe debater states that evolution is a scientific fact. Tis is because of the numerous quantity of factual evidence that is available to support evolution. Fom genetics to bio – geography, gnetics and palaeontology, te amount...
Pages: 9 (2250 words) , Essay , Infertility , Evolution
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What factors affect the rate of transport of molecules across cell membrane
As seen in Fig 2, te cell membrane is made up of thin layers of phospholipids. Te molecules that can dissolve in them will be able to pass quickly. Agood example is the fast absorption of ethanol by the stomach and intestinal walls (Kent 1998,...
Pages: 4 (1000 words) , Essay
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Write an account of the uses of karyotyping
For many years pregnant women aged 35 and above have regularly been tested for chromosomal deviation which is a threat to their fetus. Te possibilities of Down syndrome are also reduced like this. Yunger women are tested less often because the risk of birth failings...
Pages: 4 (1000 words) , Essay , Down Syndrome
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Within almost all eukaryotic cells the endoplasmic reticulum, Golgi complex and endosomes can be considered as a system, cooperating to deliver secerted material to the cell surface
In addition, tey put away waste items. Avesicle is a little, mmbrane-encased sac that acts as a storage and transportation agent for substances. Te plasma membrane, lkewise alluded to as the cell layer, i a defensive hindrance that controls what goes into and goes out...
Pages: 10 (2500 words) , Essay
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What are the attributes and limitations of commonly used model organisms when applied to the study of human biology
They have a bigger and more mind boggling genome (Anton 2011). Tere is so much that humans can gain from prokaryotes especially E. Tis is because human cells have major differences in terms of the structure and functions of the cell. Snce Escherichia coli is...
Pages: 6 (1500 words) , Essay , E Coli , Anton Chekhow
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Writing Assignment # 1
The animals were left to access water and standard laboratory food three days prior to the experiment. Te composition of the foods that the mice accessed in the laboratory was proteins, nn-nitrogenous foods, cude ash, cude fiber, eergy, ad sufficient minerals and vitamins to ensure...
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Writing Assignment # 2
Finally in foods, te concept of genetic engineering helps in the production of microorganisms that facilitates brewing, ceese making and baking. Fr the creation of genetically modified organism, tree main components should be available. Tese are the gene that should be transferred, te organism to...
Pages: 4 (1000 words) , Essay , Genetic Engineering , Biotechnology
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Why do women live longer than men Does the answer lie in biology, nutrition, psychology or sociology
The health of the heart is crucial for maintaining health since it is the heart that sustains life and its ability to pump blood throughout the body that helps to sustain life. Rsearch has shown that women, epecially in the second half of their menstrual...
Pages: 8 (2000 words) , Essay , Life Span , Biology
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