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Cellular phone-tech : Purchasing a new cellular phone at an inexpensive selling price, and advertising an aged one particular at the next cost as a way to make money. A mobile phone or cellphone[a] is a conveyab
stem cell, an undifferentiated cell which can divide to provide some offspring cells that go on as stem cells and many cells that are destined to differentiate (grow to be specialised). Stem cells are an ongoing supply of the differentiated cells which make up the tissues and organs of animals and p