Download What are stem cells

Name _____________________________________ Period ____
What are stem cells?
http://ed.ted.com/lessons/what-are-stem-cells-craig-a-kohn
1. A stem cell is…
a. A cell taken from an embryo that can become any kind of cell type in the body
b. A cell taken from your intestines that can become any kind of tissue in the body
c. A kind of cell that can only become other kinds of similar cells
d. Any kind of cell that is undifferentiated and can divide to make new cells
2. An undifferentiated cell is…
a. A kind of stem cell
b. A cell without characteristics specific to a kind of tissue
c. Another term for a tissue-specific stem cell
d. Another term for a pluripotent stem cell
427892
3. Using stem cells to replace damaged bodily tissue is called…
a. Regenerative medicine
b. Cloning
c. Genetic engineering
d. Gene splicing
4. Adult stem cells are…
a. Created from genetically-altered mature bodily cells
b. Created from embryos
c. Found in your body right now
d. All of the above
427894
5. Pluripotent stem cells are different from tissue-specific adult stem cells in
what way?
a. They are not available for use with humans
b. They cannot be used in treatments for adults
c. They can only become a few kinds of cells in the body
d. They can become any kind of cell type in the body
6. How are stem cells used to treat leukemia? What other diseases might be treatable in this
way?
7. What is the source of embryos used for embryonic stem cell research? What would have
been the outcome for these cells had they not been used for research? Why do some people
consider this to be unethical while others do not?
8. How might induced pluripotent stem cells change how stem cell research is conducted?