Because you are constantly shedding dead skin cells so they need to be replaced
http://wiki.answers.com/Q/Why_are_skin_cells_undergoing...
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Mitosis occurs by the cell undergoing a cell cycle, ... Mitosis constantly occurs in our bodies------ as our bodies grow, new cells need to be produced. Millions of identical cells are produced by the process of mitosis. However, in meiosis, the chromosome number in the daughter cells is half of that of the mother cell.
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answers.yahoo.com/question/index?qid=20090606025224AAyN...
answers.yahoo.com/question/index?qid=20090606025224AAyN34V
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Within our bodies, different cells do mitosis at different rates. Skin cells continuously do mitosis and divide, thus our skin is constantly renewed and repaired.
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biology.clc.uc.edu/courses/bio104/mitosis.htm
biology.clc.uc.edu/courses/bio104/mitosis.htm
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I. Section 9.1: How Prokaryotic Cells Divide ... mitosis and cytokinesis ... undergoing mitosis, will undergo mitosis too...
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faculty.tcc.fl.edu/scma/daviesk/bsc10059.htm
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Cells, however, within a specialised area of the skin are able to constantly undergoing mitosis and produce new cells that will replace the lost cells. In plants the cells that undergo mitosis are located in specialised areas called meristems.
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www.bbc.co.uk/scotland/education/bitesize/higher/other/...
www.bbc.co.uk/scotland/education/bitesize/higher/other/ask/biology/cell/cell_31.shtml
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Consider all the cells that are constantly replaced in your body, especially those shed each day from the lining of your gut and of your skin. ... Normally two asters are formed during mitosis. If asters are not formed, a cell undergoing mitosis will not divide into two cells, but will form one larger cell having two...
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www.karlloren.com/biopsy/p66.htm
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The frequency of cells undergoing mitosis was increased to ~20% by first keeping them for one day at 100% confluency, a condition that arrests them at the end of G1 [8]. Cells were then trypsinized and seeded onto #1.5 glass coverslips (25 mm in diameter) to approximately 50–70% confluency as a way to increase...
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www.plosone.org/article/info:doi/10.1371/journal.pone.0...
www.plosone.org/article/info:doi/10.1371/journal.pone.0001477
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The predominant type of cell in the stratum basale is a keratinocyte . These cells are constantly undergoing mitosis to replace the layers of the epidermis that are being shed -- you produce an entirely new epidermis about once a month. ... The thin translucent zone seen only in thick skin is the stratum lucidum .
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www.pc.maricopa.edu/Biology/pfinkenstadt/BIO201/201Less...
www.pc.maricopa.edu/Biology/pfinkenstadt/BIO201/201LessonBuilder/UnitTwo/Skin/skin2.html
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Because, the outer layer of skinn is dead and is falling off constantly,( aka dandruff) they must undergo mitosis to keep porducing new skin cells. Remember skin is a tissue also a organ, so they must akways be there. When a cut occurs mito...
http://www.blurtit.com/q335443.html
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