Name ______Date ______Period ______

STEM CELLS AND BIOETHICS

*Refer to Video #1 for the following questions:

1. What are stem cells?

Research online and list the several types of stem cells and define their capacities:

2. Describe the difference between adult stem cells and embryonic stem cells:

3. Where do embryonic stem cells come from? What is the benefit of this?

4. What are some examples of cell types that embryonic stem cells can be used for that adult stem cells do not have the capacity to make?

5. List some ways stem cells are used now:

6. What is induced pluripotent induction (iPS)? What in research are we facing with this process?

*Refer to Video #2 for the following questions:

1. Where do you find adult stem cells?

2. Where do you find embryonic stem cells?

3. Stem cells from embryos are termed pluripotent, what is the risk with this type of cell?

4. What are some reasons as to why individuals oppose stem cell research?

5. What is the solution to this dilemma?

6. How has this been used in research today? Explain the procedure below:

*Refer to Video #3 for the following questions:

1. Standard techniques to replace damaged skin cells takes how long? In this time individuals usually die from what?

2. What isGerlach’ssolution to this problem?

3. How does this gun work?

4. This gun solved what 2 major problems?

5. How long does this procedure take?

*Refer to Video #4 for the following questions:

1. What is regenerative medicine?

2. For the first example of how this is used in research, an individual cut part of his finger off. They put a powder on this injury and in 4 weeks his finger grew back normal and healthy. What was in this powder that helped heal the injury?

3. What does the extracellular matrix work in regenerative medicine?

4. What are some things that have been grow in the lab using this technique?

5. What does the military research and hope this will solve for them?

6. What are some other ways this research has been used and future hopes for this research?

*Refer to Video #5 & 6 for the following questions:

1. What is bioprinting? Explain how it works in your answer.

2. What are some things that have been bioprinted?

3. How is rejection of the organs made in this technology low?

4. What are some future uses with this technology?

5. What is the future of regenerative medicine?