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A.Define stem cells and differentiation, and describe the different types and the extent to which they are present during the life of an individual (include the fertilized egg as well as the adult that eventually results).
B.Which of the four tissue types contain populations of stem cells of known function, and what is that function? Which types of tissue have stem cells of unknown function? Do any types of tissue lack stem cells?
C.How do fully differentiated cells differ from stem cells? How can stem cells be used in medical treatment? Give examples.
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