Stem cell research is the gateway to opportunities of treatments for diseases and possible cure for cancer, as scientists test the capabilities of stem cells. Stem cells are unspecialized that develop into other cell types and they replicate to repair any damaged cells when needed (Kochar). These cells serve as an “internal repair system, dividing essentially without limit to replenish other cells” (“Stem Cell Basics” 1). The cell receives a signal from the brain in order to differentiate and become a specific cell, such as: a bone cell, skin cell, red-blood cell, or nerve cell. It produces new proteins to create the characteristics that are needed by the specific cell type (“Learn Genetics”). There are two different types of stem cells, embryonic stem cells and adult stem cells. After seven days of fertilization, the embryo develops a circular structure known as the blastocyst, and in the inner cell mass there are blastocyst embryonic stem cells, which hav...
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"What is a Stem Cell?." Learn. Genetics (2010): n. pag. Web. 12 Jun 2010.
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