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Biology Essay

The role of the brain in addiction
The neuron associated with the hair cells of the organ of Corti (located in the basilar membrane of the inner ear) carries the sound stimulus to the brainstem. Through a series of connections, the signal reaches Brodmanns area number 41, in the temporal lobe of the brain where the stimulus is perceived as sound (Lesson assignment, n.A number of continuous inputs inform the brain about the body posture. The semicircular ducts of the internal ear provide one of the input system. In addition to
Pages: 8 (2000 words), Essay
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The Human Genome Project
 The Institute for Genomic Research (TIGR) sequenced the first genome of a free-living organism, the bacterium Haemophilus influenza, in 1995. This landmark project, led by TIGR scientist Robert Fleischmann, led to a series of genome sequencing projects. The human genome project and ENCODE were the pioneering projects. 
Pages: 3 (750 words), Essay
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Toxicology
To drugs at different rates, which rules out the possibility of an alteration in drug absorption, metabolism, excretion, etc., as a basis for the tolerance. Although tolerance develops to many of the effects of the opiates, miosis appears to be resistant to tolerance development. The pupil may be always sensitive to opiates because of the existence of different types of opiate receptors whereas the drug receptors on the cells of different tissues become less sensitive to the drug at different
Pages: 4 (1000 words), Essay
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The Implications Of The Disappearance Of Honeybees
Earlier known as Fall Dwindle Disease, CCD is the dying process of healthy honeybees colonies, which makes them disappear, within a very short span of time, just around three weeks. The apparent indications are that the workforce of such colonies comprises mainly young bees and they are reluctant to consume the provided feed.
Pages: 5 (1250 words), Essay
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The Success of Cochlear implants
Amplification of hearing in case of audibility and suppression of noises in case of recruitment characteristic of loudness play very important roles in the success of implants. Another factor that could easily equal its importance with the other two is the intelligibility characteristic of the auditory organs – the ability to recognize speech.
Pages: 5 (1250 words), Essay
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The Relationship Between the Dose of Drug Given to an Individual and the Concentration of Drug Molecules
It has been found that multidrug transporters such as P-glycoprotein (PGP) and members of the multidrug resistance-associated protein (MRP) family are over-expressed in capillary endothelial cells in epileptogenic brain tissue, and, by transporting anti-epileptic drugs out, these proteins may be responsible for the pharmacoresistance of the epileptic brain to anti-epileptic drugs 
Pages: 5 (1250 words), Essay
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The Human Genome Project
The labs of this project worked with international collaborators and they were able to resolve 95% of the sequence of DNA in human genome in a period of 15 years. Similarly, John Sulston in association with his colleagues at the MRC‘s laboratory of Molecular Biology in Cambridge in the UK were working at mapping the genome of the nematode worm for a number of years. From their findings, they revealed that sequencing the entire genome of the worm was feasible4.Human Genome Project in the US,
Pages: 14 (3500 words), Essay
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The Cheetah
The cheapest because all that is required is the setting up of conferences where these business people would attend and get the education (Mitra 29). With regard to the zoo, this is upheld from the fact that the zookeepers do not cut the grass in the region where the cheetahs are in an effort to make them feel comfortable and safe. Having these officials tour the zoo and witness the comfort and beauty portrayed by the cheetah in its habitat would work further to humble these people and thus
Pages: 4 (1000 words), Essay
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The Human Eye
It is suggested by this patters that jawed vertebrates inherited these features from the same ancestor and that our eye had already changed by about 420 million years ago, when the first jawed patrolled the seas (68). Similarly, the lamprey, an eel-like fish with a funnel-shaped mouth built for sucking other than biting has a camera-style eye complete with a lens, an iris and eye muscles.The genes that govern many aspects of light detection, eye development and neural development are the ones
Pages: 3 (750 words), Essay
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Techniques for the Biomedical Sciences
Peptide hormone detection is used in pregnancy tests and many other tests such as abnormally growing cell tumors most importantly the germ cell tumors. Chorionicgonadotrophin (hCG) hormone is also useful in man in determination of cancer of the testicles. A typical graph plotted will assume a sigmoid shape. This is mainly attributed to the wells from column 4 which indicate a yellow colour showing positive results. However, there is increased absorption as the concentration increases. Wells
Pages: 4 (1000 words), Essay
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The Impact of Embryonic Stem Cells
However, to establish transcriptional controllers so that they might reprogram adult cells into pluripotent cells, it is necessary to develop a magnificent screen for aspects inside a cluster of 24 pluripotency-connected candidate genes that will have the potential for activating a latent drug resistance allele that will be integrated into ESC-specific locus.
Pages: 4 (1000 words), Essay
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The Technology Of Knockout Mouse
The constitutive knockout model may be embryonic lethal to the target gene and is highly likely to result in the misregulation or deregulation of the other genes expression. A lethal knockout makes the genetically altered embryos fail to grow into adulthood.
Pages: 3 (750 words), Essay
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The Human Anatomy and Possible Threats
Cellular metabolism also enables processes like respiration and the disposal of waste products from the body. All the energy that is produced and consumed in the body is sourced from cellular metabolism. Human beings and animals rely on aerobic respiration to satisfy their energy needs (Wolfsthal, 2008).
Pages: 12 (3000 words), Essay
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The Physiology of CNS and other Body Parts
Neurons possess a huge round nucleus with an outstanding nucleolus as well as millions of cytoplasm. When a neuron is injured, the processes that result include neuronal degeneration in cases of chronic diseases, red neurons which take place following a toxic attack, neuronal inclusions, and axonal reactions.
Pages: 6 (1500 words), Essay
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Topic: Explain your motivation to seek a career in medicine. Be sure to include the value of your experiences that prepare you to be a physician. Limit your response to 5000 characters.
The lectures and experiments in Biology and Physics have perhaps been the most intriguing and motivating for me. God has been kind enough to bestow upon me the privilege of education and in return I have always wanted to reciprocate something back to the society especially for the under-privileged people. It is with this intent that I joined the Trio-Upward Bound program which conducted tutoring classes for students. The experience was tremendously fruitful not only for the students but also
Pages: 3 (750 words), Essay
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Take home final exam
The MGMT gene is a protein, whose primary function is to repairalkylane lesions stoichiometrically without a multi enzymatic pathway and finally inactivates itself. If the cell is not repaired, they kill cells that are already affected by the tumor.MGMT located at the chromosome and codes for s ubiquitously expressed suicide of DNA repair enzyme that removes alkyl adducts the position of the guanine. Alkylated guanine produces double strand breaks and base impairing, hence inducing cell death
Pages: 7 (1750 words), Essay
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The Circulation of Blood in the Human Body
The technical role of the heart in the circulation of the blood is as illustrated in the video in figure 2.As can be noted from the video, the blood from the left side of the heart does not mix with that on the right side. If this happened, oxygenated blood would be deoxygenated by the high levels of carbon dioxide in the right side of the heart. The blood deficient in oxygen is circulated from the other parts of the body where respiration has taken place to the heart through the venacava
Pages: 3 (750 words), Essay
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The Applications Biological Concepts
Scientist use microbes in the discovery of essential products through a process called biosynthesis. Examples of biosynthetic products are the vitamins C and vitamin B12, which are obtained from using the fermentation practices of specific bacteria. Besides, fermentation practices are the main method used currently to obtain antibiotics.The study of biological diversity evolution is important to scientist so that they can design and come up with better drugs that can combat microbes and other
Pages: 5 (1250 words), Essay
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The pathology of Parkinson's disease, and how to counteract it
The present research has identified that when a patient is affected by Parkinson’s disease, his or her circuitry balance is normally lost. Such loss comes about as a result of dopamine depletion. The parts that are affected in this case are the indirect and direct pathways whose nuclei are responsible for inhibiting the thalamus. When the activities of these nuclei found in the pathways increase, the inhibition process is consequently increased reducing the normal movement of a person.
Pages: 6 (1500 words), Essay
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The Role of Radioisotopes in Medicine
Currently, the annual turn over of nuclear medicine activities related to diagnostic as well as therapeutic procedures has been estimated around 10-12 million each year in the United States. Radiopharmaceuticals have been utilized in research activities in the field of molecular medicine to detect any genetic diseases and eventually their treatment options.
Pages: 5 (1250 words), Essay
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