1.Stem cells are known to have varying levels of “stemness” based on their origi

Question

1.Stem cells are known to have varying levels of “stemness” based on their origins. What are the different types of stem cells and what specific qualities are designated to each?

2.Differentiation is described as the process of a cell becoming more specialized. What is the difference between dedifferentiation and transdifferentiation?

3.Name three ways that scientists have artificially generated human stem cells and briefly describe the experimental process.

4.What other sources of stem cells are there in humans other than the oocyte?

5.The organism C. elegans is a model organism to study in multiple areas of biology. Name at least three reasons why C. elegans is such a great model organism.

6.Define the different steps of the cell cycle.

7.Explain why the removal of essential amino acids during the cell cycle would cause the halt of cell division?

8.How could the identification of cell surface markers, such as those found in the cell membrane or ECM, be helpful in the future cancer treatments?

9.A technique called a liquid biopsy is gaining attention due to its potential importance in cancer diagnosis. What is a liquid biopsy and what are its advantages?

Explanation / Answer

1. Three categories of stem cells are there-

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