Mesenchymal stem cells (MSCs) express:
A. CD45
B. cd73
CD90
D. CD105
查看答案
Mesenchymalstemcells(MSCs)donotexpress:
A. CD11b
B. CD34
C. HLA-DR
D. CD79a
Which of the following statements about stem cells are correct?
A. Stem cells are undifferentiated cells that can differentiate into specialized cells & can divide through mitosis to produce more stem cells.
B. Stem cells are distinguished from other cell types by two important characteristics.
C. Under certain physiologic or experimental conditions, they can be induced to become tissue- or organ-specific cells with special functions (potency).
D. They are unspecialized cells capable of renewing themselves through cell division.
Which of the following statements about adult/somatic stem cells are correct?
Adult/Somatic stem cells are stem cells which maintain & repair the tissue in which they are found.
B. In the 1950s, researchers discovered that the bone marrow contains at least two kinds of stem cells.
C. One population, called hematopoietic stem cells, forms all the types of blood cells in the body.
D. A second population, called bone marrow stromal stem cells (also called mesenchymal stem cells), were discovered a few years later.
____________ stem cells can differentiate into embryonic & extraembryonic cell types. Such cells can construct a complete, viable organism. These cells are produced from the fusion of an egg & sperm cell. Cells produced by the first few divisions of the fertilized egg are also totipotent.
微信支付 
支付宝支付