Stem cells are also found under the outer layer of the skin. Explain why stem cells are found in the skin. 0610 igcse biology
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Ability of regeneration
Explanation:
Stem cells are the embryonic animal cells which undergo totipotency.It is the capacity or the potential of living nucleated cell to divide and form other types of cells.Since the upper layer of skin needs to be protected and the cells need to be replaced every 24 hours,presence of stem cells is essential.
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Scientists want to have a variety of stem cell lines so that they can pick the best ones for their experiments. Some lines are better suited for becoming pancreatic cells, others for neurons (no one is sure why). Moreover, older cell lines are harder to grow, and many contain mutations and chromosomal abnormalities.
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