4. How do embryonic and adult stem cells differ?
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- 9. Complete the following table, which compares embryonic stem cells to adult stem cells. Embryonic stem cells Adult stem cells DescriptionWhat do you mean by embryonic stem cell?Thinking about the topic of cancer, write a basic science question and an applied science question that a researcher interested in this topic might ask.
- Which of the following is a constant source of adult stem cells in a mammal? a. bone marrow b. pancreas c. basal lamina d. heart muscle e. kidneyWhat multipotent stem cells from children sometimes banked by parents? fetal stem cells embryonic stem cells cells from the umbilical cord and from baby teeth hematopoietic stem cells from red and white blood cells5. A new mutation that arose in one copy of gene X in a somatic cell resulted in the formation of a tumor. Which of the following pieces of evidence best describes how the new mutation directly caused the tumor? (A) Protein X normally stimulates cell division, and the mutation created an overactive version of protein X. (B) Protein X normally activates a growth hormone receptor, and the mutation decreased the stability of protein X. (C) Protein X normally prevents passage through the cell cycle, and the mutation created an overactive version of protein X. (D) Protein X normally regulates gene expression, and the mutation created an underactive version of protein X that blocked the cell cycle.
- 5) if cells can constantly replace themselves, why is a heart attack (which cardiac muscle cells) so devastating? 8) how might stem cells be used to repair brain or heart damage, even though these cells do not undergo mitosis? 12) why does your hair fall out from chemotherapy?9. What is cellular regeneration? How is mitosis related to this process?19. The types of human cells shown below are different from one another, even though they all originated from the same fertilized egg and contain the same genetic information. Explain why these genetically identical cells can differ in structure and function. * Cardiac cells Stem cell Blastocyst Enterocytes Fat cells Neuron Red blood cells Epithelial cells Chondrocyte
- What is a stem cell? 2. How are embryonic stem cells di#erent from other types of stem cells? 3. Given their function, how do you think embryonic stem cells are used as a treatment for damaged cells? Please answer them in complete sentences, it’s not gradedWhat is the difference between the different kinds of STEM cells?3.Mention what are the important functions of apoptosis? discuss briefly at your own words?.
