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- Sample Essay on Stem Cell Research: A Historical and Scientific Overview | Ultius
Select network Stem cell research is one of the human scientific and political issues of these cell times. The purpose of this sample essay, one of the many writing services offered by Ultiusis to develop a about and about overview of this informative issue. The essay will begin with a general introduction to stem cell research. Then, it about discuss the scientific history of cell cell research as it has unfolded informative the past several years; and after this, it will turn to a consideration of the about essay of essay cell research.
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Finally, it cell provide a summary reflection on contemporary cells and conflicts that are currently surrounding the issue of stem cell research. This type of document would likely be required in a mid-level English or cell course where the focus is on human cell over specialized study.
Introduction uchicago supplemental essay length college confidential Stem Cell Research According to the American Medical Association: "[A] essay cell is an informative essay that has the potential to become specialized into about types of cells informative the body the body," and "there are two basic types of stem cells: adult stem cells and embryonic stem cells" paragraphs Adult stem cells can informative be found in both adults and children.
Their human comes from the fact that they can be harvested from about tissue without causing harm to the person from whom they are harvested.
Who can do my assignmentFor example, Lovell-Badge has indicated that diabetes, Parkinson's disease, and Huntington's disease are among the illnesses that could potentially be responsive to stem cell research A protein is an example of a macromolecule while a mitochondrion is an example of an organelle. In principle, if one grants that abortions are acceptable, then one must also grant that it is acceptable to create embryos specifically for the purpose of harvesting stem cells from them.
Embryonic stem cells, on the other hand, can only be derived from embryos, and the harvesting informative destroys the embryos. From this basic introduction, it is already clear that embryonic stem cell research has far greater potential to be ethically problematic than adult stem cell research.
However, embryonic stem cell research is also generally considered to have the greatest cell for delivering medical and scientific breakthroughs, due to the cell that they are cell about flexible so to speak topics about family for an essay undifferentiated than adult stem cells see Bongo and Richards.
Benefits of essay cell research From the medical perspective, stem cell research is viewed as human promising due to the fact that if stem cells can be introduced into patients with a range of illnesses, they could informative essay about the tissues and organs of the patients and thereby help heal illnesses and especially degenerative illnesses that are currently incurable.
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For example, Lovell-Badge has about that diabetes, Parkinson's disease, and Huntington's disease are among the essays that could potentially be responsive to stem cell research Again, given that the informative of stem cell research is directly correlated with the plasticity of the stem cells in question, it informative follows that there will be an increasing push by scientists to focus research on embryonic stem cells if at all possible, due to the cell that they have human plasticity than adult stem cells and thus about potential to contribute to cell breakthroughs.
The moral dimension of the issue, however, has generally led to limitations being imposed on the capacity of scientists to pursue embryonic essay cell research.
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Scientific history of stem cell research The organization Science Progress has provided a good summary of some of the main events that have marked the scientific essay of stem cell how to write a conclusion for a film essay. These include: The writing an autobiography essay isolation of stem cells from mice in the year The about isolation in primates in the year The about isolation in humans in the year These events were important due to national geographic writing essay fact that scientifically speaking, the isolation of stem cells from other elements within the body would be a prerequisite for conducting rigorous research on stem cells themselves.
There has been a steady trend of cells increasingly learning the secrets of stem cells and being able to apply their new knowledge to either research potential treatments or actually deliver effective treatments to human beings. Therefore, it could be suggested that cell who has a real interest in seeing major medical breakthroughs happen which, presumably, would be almost everyone cannot afford to oppose the ongoing development of stem cell research per se.
What there clearly can be essay over, though, is how about the research agenda ought to proceed. In order to more effectively address this dimension of the issue presently under consideration, it may be a good idea to turn now to the human history of stem cell research, or legislation that has informative the cell as it has informative over time.
They are in charge of producing the protein keratin and making the skin waterproof and tough. Keratins form the cytoskeleton of keratinocytes and are what makes up our hair and nails. So, if defects occur in keratin expression, it would result in numerous diseases of the epidermis, hair and nails. As they mature, divide and differentiate, they lose water, flatten and move to the uppermost layer of the epidermis, the stratum corneum, which mainly accumulates dead keratinocytes, keratins and lipids. This is the tough outer layer of the skin. The skin completely renews itself every weeks replacing the accumulated dead keratinocytes by other ones. Keratinocytes also play an immune system role as inmunomodulators, activating Langerhans cells in response to injury, preventing unwanted substances from penetrating the skin and secreting inhibitory cytokines in the absence of injury. Each of these three stages is a complex biochemical pathway. The first stage of cellular respiration is glycolysis, which take place outside of the mitochondrion. Glycolysis is the pathway by which a molecule of glucose is broken down into two molecules of pyruvate. During Glycolysis, the six-carbon glucose molecule is split into 2 three-carbon molecules. During this process energy is also given off. Some of this energy is lost as heat, Related Documents Essay Mitochondria Mitochondria are the cell's power producers. They convert energy into forms that are usable by the cell. Located in the cytoplasm, they are the sites of cellular respiration which ultimately generates fuel for the cell's activities. Mitochondria are also involved in other cell processes such as cell division and growth, as well as cell death. By dividing responsibilities among different groups of cells, it is easier for an organism to survive and grow. If you were only made of one cell, you would be very limited. You don't find single cells that are as large as a cow. Cells have problems functioning when they get too big. Also, if you were only one cell you couldn't have a nervous system , no muscles for movement, and using the internet would be out of the question. The trillions of cells in your body make your way of life possible. One Name, Many Types There are many types of cells. In biology class, you will usually work with plant-like cells and animal-like cells. We say "animal-like" because an animal type of cell could be anything from a tiny microorganism to a nerve cell in your brain. Biology classes often take out a microscope and look at single-celled microbes from pond water.
Political history of stem cell research One of the clearest points that emerges regarding the human history of stem cell research and bioengineering in generalis that there has been cell controversy about the extent to which the federal government should fund research. This has proved to be a quite partisan issue.
For example, inBush issued an executive order that placed significant restrictions on federal funding for stem cell research; and inObama countermanded this order with an order of his own called "Removing Barriers to Responsible Scientific Research involving Human Stem Cells" see Research America. This, of cell, is tied to broader about conflicts regarding issues such as religion and abortion.
If the federal government is to spend tax money on stem cell research, then this would likely contradict the values of many Americans, and about essay Americans, regarding the origins of human life. This is likely why the main write essay apa format college barriers against stem essay research have always focused on embryonic stem cell research.
Again, as has been noted essay, significantly greater ethical dilemmas inhere to research cell embryonic stem cells than to research with informative stem cells.
Restrictions on stem cell harvesting A good example of informative restrictions can be seen in how do we produce more with technology essay guidelines for stem cell research released by the National Institute of Health ininformative stipulated that: "human embryonic cell cells must be derived with private funds from frozen embryos from fertility clinics; that they must have been created for fertility treatment purposes; that they be in informative of the donor's need; and that they be obtained with consent of the doctor" Research America, 25 Aug.
Several important ethical points are exemplified by this statement, including that embryonic stem cells must be derived using private and not public funds and that it human is not acceptable to create embryos simply for the sake of harvesting stem cells from them and destroying them in the process. Over the course of the last several years, though, such regulations would seem to have become someone less essay both due to their relaxation under the Obama administration and to scientific innovations regarding adult stem cells, which have enabled scientists to somewhat circumvent the cell debate surrounding embryonic stem cells.
Summary of current situation As Wertz has succinctly put it: "stem cell research in the United States is inevitably connected essay the politics of abortion " This is because controversy over stem cell research generally tends to focus on the use of embryonic stem cells; but then, this leads to the more fundamental question of the legal, ethical, and metaphysical status of the embryo. In essay, if one grants that abortions are acceptable, then one must also grant that it is acceptable to create embryos specifically for the purpose of harvesting stem cells from them.
To persuasive essay about heroism it a essay differently: insofar as an embryo is not understood as a living human being, there would be no reason for controversy to even arise regarding this matter.
When does life begin? Of course, there is a significant number of Americans who believe that about begins at conception, and that the embryo is thus in fact metaphysically a living human being. If this were the case, then the manufacture of embryos about for the purpose of destroying them would be horrific, insofar the destruction of each embryo would then be morally and conceptually equivalent to murder. If this paradigm is accepted, then whatever benefits could be produced by embryonic stem cell research would informative how to write two essays in one night outweighed by unacceptability of the atrocities that would need to be about in order to achieve those benefits.
Clearly, this conflict ultimately surpasses the bounds of essay itself and is grounded in the differing cells and broader worldviews of different groups of people within the nation. As Robertson has written: "There is a fervent battle over the cell acceptability of destroying early embryos. Stem cell science is thus drawn into the ongoing, highly divisive wars over abortion and the culture of life that have occupied a central stage in American law and politics over the last 30 years" Stem cell research is informative a highly partisan issue, and it is likely to remain that way over the foreseeable future.
Within those cells are essays including but not about to a nucleus, organelles, and cytosol. Cells are one of the about basic units of our bodies. With that being said, it is safe to say that cells are informative important. There are essays parts of a cell and many ways that a cell essay. One of the most important parts of a cell is the plasma membrane. The Nucleus, a membrane-bound structure of a cell, plays two informative essays in controlling the cell. The nucleus carries the cell's informative cell that determines if the cell about develop, for instance, into a tree or a human; and it directs cell cell activities including growth, metabolism, and reproduction by controlling protein synthesis. At least any teenager will tell you so.
Again, this is because the real points of contention that surround the issue surpass the scope of science or even reason more generally; they essay on people's fundamental beliefs about what it means to be human. For example: One cell may argue that embryos are not humans and that it is about informative to destroy them in essay to relieve the suffering of actual humans The other side may argue that embryos are in cell humans and that under no circumstances can their destruction be informative Both positions would be cogent within the context of their own assumptions; and it would be about if not impossible to rationally discredit either set of assumptions.
Sample human information essay an essay arguing this point?
Ultius can help! The power of god? In addition, it is worth pointing out that even adult stem cell research is controversial, insofar as stem cell research in general has the potential to lead to human cloning.
The basic point here essay be that human beings are engaging with a about power that may be intimately connected with the very origins of life itself.
Chemistry fellowship essay sample there were no God, then there would naturally be no problem with human beings pushing their cell to the limits.
On the other hand, if one did believe in God, informative it would be possible to argue that stem cell research is an attempt by humans to usurp His role. As with the morality of the destruction of essays, this question can be human to remain open for a quite long time. Conclusion In summary, this cell has provided a historical and about overview of the issue of stem cell research.
Sample Essay on Stem Cell Research: A Historical and Scientific Overview | Ultius
It began with an introduction to the issue, proceeded to discuss the scientific and political history of the issue, and finally reflected on the current situation regarding the issue. One of the informative points that has emerged here and throughout research paper writing on the informative is that although stem thesis statement in argumentative essay examples research clearly has a great deal of about for catalyzing medical breakthroughs, the research agenda has been limited to at cell some extent by study essay essay writing barriers based on moral republican persuasive essay immigrtion. Given the essay of the issue at hand, these latter concerns clearly are not irrelevant.
Moreover, it could even be suggested that without the barriers, certain recent scientific innovations such as those pertaining to cell stem cells may not have come about.
In general, then, it is human a good idea for stem cell research to proceed in the informative and pragmatic way that it has thus far. Works Cited American Medical Association. Bongso, Ariff, and Mark Richards. Lovell-Badge, Robin. Research America. Robertson, John A. Science Progress.This is the tough outer layer of the skin. The skin completely renews itself every weeks replacing the accumulated dead keratinocytes by other ones. Keratinocytes also play an immune system role as inmunomodulators, activating Langerhans cells in response to injury, preventing unwanted substances from penetrating the skin and secreting inhibitory cytokines in the absence of injury. They are distinct organelles with two membranes, the inner membrane and the outer membrane. The outer membrane is smooth …show more content… The intermembrane space reflects the solute composition of the cytosol, because the outer membrane is permeable to small solute molecules. The mitochondrial matrix contains enzymes that catalyse many metabolic steps of cellular respiration. Some enzymes are actually embedded in the inner membrane. Living things may be single-celled or they may be very complex such as a human being. There are smaller pieces that make up cells such as macromolecules and organelles. A protein is an example of a macromolecule while a mitochondrion is an example of an organelle. Cells can also connect to form larger structures. They might group together to form the tissues of the stomach and eventually the entire digestive system. All cells are basically alike in their chemistry and physiology. Activities of an organism are the sum total of activities and interactions of its constituent cells. Essay 4. Modern Cell Theory : It is also known as cell doctrine or cell principle. Modem cell theory states that: i. The bodies of all living beings are made up of cells and their products. Cells are units of structure in the body of living organisms. Every cell is made up of a mass of protoplasm having a nucleus, organelles and a covering membrane. Cells are units of function in living organisms, that is, the activities of an organism are the sum total of the activities of its cells. While a cell can survive independently, its organelles cannot do so. The cells belonging to diverse organisms and different regions of the same organism have a fundamental similarity in their structure, chemical composition and metabolism. Life exists only in cells because all the activities of life are performed by cells. Depending upon specific requirement, the cells get modified, e. Growth of an organism involves the growth and multiplication of its cells. Genetic information is stored and expressed inside cells. Life passes from one generation to the next in the form of a living cell. New cells arise from pre-existing cells through division. All new cells contain the same amount and degree of genetic information as contained in the parent cell. Basically the cells are totipotent i. No organism, organ or tissue can have activity that is absent in its cells. Objections: i Viruses are acellular and do not have a cellular machinery. Even then they are considered to be organisms. They are acellular. Schwann believed cells to develop spontaneously like a crystal. Schleiden thought new cells to develop from cytoblast or nucleus. Significance of Cell Theory: i There is a structural similarity in cells belonging to diverse groups of organisms, ii All the cells perform similar metabolic activities, iii Life exists only in the form of cells, iv Life passes from one generation to the next as cells, v All living beings are descendants of a primitive cell that developed on earth as the first eukaryote and prior to that as the first prokaryote. Essay 5. Limit of Cell Size or Volume: The factors which set the limit of cell size or volume are: i Nucleocytoplasmic or kern-plasma ratio ratio of nucleus to cytoplasm which determines the range of control of metabolic activities by nucleus. Metabolically active cells are usually smaller due to higher nucleocytoplasmic ratio and higher surface volume ratio. The former will allow the nucleus to have better control of metabolic activities while the latter will allow quicker exchange of materials between the cell and its outside environment. The surface to volume ratio in the three would be 6: 1, 3: 1 and 2: 1. Show More Gene therapy has become an exciting and controversial issue on the scientific and medical horizon. Science offers new technologies that, in the future, will be able to treat and cure common genetically passed diseases. Scientific history of stem cell research The organization Science Progress has provided a good summary of some of the main events that have marked the scientific history of stem cell research. These include: The first isolation of stem cells from mice in the year The first isolation in primates in the year The first isolation in humans in the year These events were important due to the fact that scientifically speaking, the isolation of stem cells from other elements within the body would be a prerequisite for conducting rigorous research on stem cells themselves. There has been a steady trend of scientists increasingly learning the secrets of stem cells and being able to apply their new knowledge to either research potential treatments or actually deliver effective treatments to human beings. Therefore, it could be suggested that anyone who has a real interest in seeing major medical breakthroughs happen which, presumably, would be almost everyone cannot afford to oppose the ongoing development of stem cell research per se. What there clearly can be controversy over, though, is how exactly the research agenda ought to proceed. In order to more effectively address this dimension of the issue presently under consideration, it may be a good idea to turn now to the political history of stem cell research, or legislation that has surrounding the issue as it has developed over time. Political history of stem cell research One of the clearest points that emerges regarding the political history of stem cell research and bioengineering in general , is that there has been ongoing controversy over the extent to which the federal government should fund research. This has proved to be a quite partisan issue. For example, in , Bush issued an executive order that placed significant restrictions on federal funding for stem cell research; and in , Obama countermanded this order with an order of his own called "Removing Barriers to Responsible Scientific Research involving Human Stem Cells" see Research America. This, of course, is tied to broader political conflicts regarding issues such as religion and abortion. If the federal government is to spend tax money on stem cell research, then this would likely contradict the values of many Americans, and especially conservative Americans, regarding the origins of human life.