1. 11/18 & 11/ th Grade Agenda
Collect HW: Reading & Note Taking p.79 – 80
Cell Differentiation, Stem Cells
Brainpop: Stem Cells & Specializations & Cancer
Chap 4 Study Guide
Microviewer Lab (Cell Structures)
Class Reading p
HW: Reading & Note Taking p.81 – 84
Reminder: Chap 4 Test on 11/30 & 12/1

2. Reflection
Prompt: Draw the Cell Cycle and label each phase.

3. Lunch with a Scientist Friday Nov 19th: Mud flowing down burn areas
Room 235
3 points Extra Credits for attending and writing a summary with 10 facts that you learned in the meeting.
You can write the facts as bullet points.

4. Cell Cycle ? ? ? ? ? ? Interphase Prophase Cytokinesis Metaphase
Telophase
Anaphase ? ?

5. DNA – Deoxyribonucleic Acid
Nitrogen Based Molecules (4 Letters of DNA Alphabet)
A pairs up with ____
G pairs up with ____ T C

6. Cell Cycle Stage 1: Interphase: Period before cell division occurs.
Cell doubles in size
Copy the DNA in its nucleus

7. Cell Cycle Stage 2: Mitosis
One copy of the DNA is distributed into each of the two daughter cells

8. Cell Cycle
Stage 3: Cytokinesis
Cytoplasm divides

9. Cell Cycle Facts 100 rain Some cells divides every 2 hours or less
Human Liver cells divides every 22 hours
There are about _____ million cells dividing in your body right now!!
Most cells divide but human b_____ cells never divide.
100
rain

10. Cell Cycle Facts Some cells divides every 2 hours or less
Human Liver cells divides every 22 hours
There are about 100 million cells dividing in your body right now!!
Most cells divide but human brain cells never divide.

11. Chromosomes

12. DNA Replication DNA looks like a spiral staircase “double helix”
Two sides of DNA ladder are made up of sugar called deoxyribose and Phosphate
Adenine always pairs with Thymine
Cytosine always pairs with Guanine

13. Cancer
What is Cancer
Mutation: Damage to the DNA

14. Cancer
tation
Cancer begins when mu________ disrupt the normal cell cycle causing cells to di_________ in an uncontrolled way
Eventually a tu______ (a mass of abnormal cells) forms.
vide
mor

15. How Cancer Spreads

16. Treating Cancer Surgery: Only effective during early stages
Radiation: Radiation also destroy healthy cells
Chemotherapy: Uses of drugs to kill cancer cells. Side effect: Also kills healthy cells.

17. Cancer Prevention
2/3 of all cancer deaths are caused by tobacco use or unhealthful diets
Smoking is the main cause of lung cancer

18. Cancer Prevention
Diet high in fat (fatty meats, fried foods) is harmful
Diet that includes a lot of fruits, vegetables and grain products can lower some type of cancer.

19. Differentiation errent
As cells differentiate, they become diff_____ from one another.
errent

20. Stem Cells
Stem Cells respond to specific needs in the body by becoming a spec____zed ce___
iali ll

21. Reflection
Prompt: Write 3 facts that you learned watching the Brain pop video.