Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Name: ________________________ Date: _________________ Per: ___ Genetics Science Learning Center – Stem Cells Go to: http://learn.genetics.utah.edu/. Click on the link that says “Stem Cells”. For all the links, either use ear buds or click on the CC or the Show Text options to read the information. Click the link for “The Nature of Stem Cells”. 1. What are specialized cells called? ____________________________________________________________ 2. What is a stem cell? _______________________________________________________________________ 3. What can a stem cell do? ___________________________________________________________________ 4. When does development begin? _____________________________________________________________ 5. One week after fertilization, the embryo is called ________________________________________________ 6. Name the three layers and what they form. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 7. What are adult stem cells called? ____________________________________________________________ 8. How do embryonic stem cells differ from somatic stem cells? _____________________________________ __________________________________________________________________________________________ 9. Name six of the nine tissues where stem cells can be found? _______________________________________ __________________________________________________________________________________________ In the top left corner, click on “Stem Cells” to return the list. Click on “Go, Go, Stem Cells”. Start by watching the video “What is a Stem Cell Niche”. 10. What is a stem cell niche? _________________________________________________________________ 11. What do niches do? ______________________________________________________________________ Next, click on “Brain Cell Niche”. 12. What are the two areas where stem cells continue to make new neurons? What do they do? __________________________________________________________________________________________ __________________________________________________________________________________________ 13. Before you drag and drop the keys, hover over the other parts of the brain. Name and describe three of them. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Now – drag the keys and drop them in the hippocampus. 14. What happens when you pull the handle? _____________________________________________________ 15. What does the signal from the stem cell do? ___________________________________________________ 16. What are glial cells? ______________________________________________________________________ Congratulations! You just made a new neuron to help remember where you put your keys! Go back to the body and click “Blood Cell Niche”. 17. Where are blood cells produced? ____________________________________________________________ 18. What is hemoglobin? _____________________________________________________________________ 19. How many hemoglobin molecules does each red blood cell contain? _______________________________ 20. What must be done to complete transformation of a stem cell to a red blood cell? _____________________ __________________________________________________________________________________________ 21. Name and describe the three types of blood cells. __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Go back to the body and click “Hair Follicle Cell Niche”. 22. On a typical day, your scalp loses _______ to _______ hairs. 23. What is the name of the protein that makes hair tough? __________________________________________ 24. Where do cells start out? What happens next? _________________________________________________ __________________________________________________________________________________________ 25. What happens when the skin gets scratched or cut? _____________________________________________ __________________________________________________________________________________________ Go back to the body and click “Intestinal Cell Niche”. 26. What are villi? What do they do? __________________________________________________________________________________________ __________________________________________________________________________________________ 27. Where does the stem cell niche sit? __________________________________________________________ 28. What is the new function of the cell? _________________________________________________________ 29. Name the four different cell types that can be produced. _________________________________________ Go back to the body and click “Bone Cell Niche”. 30. What do the stem cells in this niche do? ______________________________________________________ 31. What do osteoblasts do? ___________________________________________________________________ 32. What is the most abundant protein in the body? ________________________________________________ 33. What happens as the matrix grows? __________________________________________________________ Go back to Stem Cells at the top left corner. Click on “Stem Cells in Use”. 34. What is leukemia and how have stem cells helped people with leukemia? ____________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 35. What are two other types of stem cells that are being used in medical treatments? _____________________ __________________________________________________________________________________________ __________________________________________________________________________________________