Stem Cells

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  • Created by: alexda
  • Created on: 10-04-15 18:12
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  • Stem Cells
    • A stem cell is an undifferentiated cell that is able to divide to produce more stem cells or differentiate into any type of specialised cell.
      • The process by which stem cells become specialised is called differentiation.
    • In animal cells the ability to differentiate is lost as the animal matures.
      • Plants, however, never lose this ability.
      • Adult s only have stem cells in bone marrow but these can only differentiate into a few specific type of cells.
    • Adult stem cells are used to cure diseases since they can specialise into the cells needed to replace those damaged by disease. 
      • Scientists have experimented with extracting stem cells from early human embryos,  reproducing them under particular conditions so that they differentiate into particular types of specialised cells.

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