1. Happy Tuesday Ninjas… Have a seat and begin your quiz immediately.
Have your notecards out to be checked. Picture and color are due today for full credit.
Have a seat and begin your quiz immediately.
Keep your answers covered.
When you finish wait patiently

2. Set up Journals Due Today: Notecards (picture w/color) Due tomorrow:
Page:________
Title: Stem Cells
ESSENTIAL QUESTION: What is Cell Differentiation and why is it important?
Due Today:
Notecards (picture w/color)
Due tomorrow:
Notecards picture w/color one day late for full credit
Test has been moved from tomorrow to Friday
*take advantage and study! There will be NO TEST ANALYSIS for this test!!!

3. Today’s Standards:
B6.D: Recognize that gene expression is a regulated process
B.5A: describe the stages of the cell cycle, including deoxyribonucleic acid (DNA) replication and mitosis, and the importance of the cell cycle to the growth of organisms.[

4. DIFFERENTIATION: becoming specialized to serve a specific purpose

5. When stem cells become specialized cells, they express different genes
When stem cells become specialized cells, they express different genes. Bone cells, muscle cells, skin cells, brain cells, etc. are different because they express (show) different parts of the DNA instruction code.

6. What factors can affect gene expression?
In other words, what can make cells express different genes?

7. Internal
Male vs Female
(baldness vs milk production)
Heredity
Hormones
Mutations
(Errors in Replication, Transcription or Translation)
External
Drugs
Medications
Exposure to Chemicals
Temperature
Light
Diet (affects micro biotics in the gut)

8. What are stem cells? Video 1: Ted Talk
As you watch the video. Answer the first three questions on your worksheet.
What are stem cells?
What can stem cells become?
How can stem cells help your body?

9. Essential Question for Video 2: How do stem cells work?
While you watch the following clip, write down 3 important facts that may help you answer this question
How do stem cells work?

10. Questions for clip 2 How do stem cells work?
A stem cell has the potential to become _______________.
___________ signals cause stem cells to express certain genes and ___________ to become certain types of cells like skin, muscle, or bone.
Describe the stem cell heart experiment.

11. Essential Question for Video 3: How are stem cells useful in medicine?
While you watch the following clip, write down 3 important facts that may help you answer this question
A stem cell story

12. Questions for clip 3
Life begins with ______ cell and ________ to produce the billions of cells that make up the body.
What are some places in the body that use stem cells to replace worn out tissue?
How are stem cells useful in medicine?
Explain the controversy about using embryonic stem cells.

13. Essential Question for Video 4: How can stem cells be used to make a human heart?
While you watch the following clip, write down 3 important facts that may help you answer this question
The heart makers

14. How can stem cells be used to make a human heart?
Questions for clip 4
How can stem cells be used to make a human heart?

15. Fun Bio-puns