Lay Nhin Bio 101 Jill Parsell Nov 9th 2012 Super Stem cell Since birth, almost all of our cells are differentiated, which means that they are specialized in their properties and functions. With that being said, our skin cells can only make new copies of skin cells, and our brain cells can only replace brain tissues. Stem cell, however, is the generator and supplier for constructing and replenishing more than one types of cells. The first type is called the human embryonic stem-cell (hESCs), it…
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