1. Cancer
MITOSIS GONE WILD!

2. Cells division is …
The multiplying of cells through mitosis resulting in generation after generation of identical daughter cells. The daughter cells receive exact copies of the parent cell’s DNA.

3. Why do we need cell division?
Allows us to grow
Allows us to heal and repair ourselves
Even allows us to reproduce

4. The Reasons for Cancer Cancer occurs when:
the rate of cell division goes out of control.
Mutations occur in the genes that control cell division.
Mutations are cells with changes to their DNA.
A Carcinogen is any chemical or energy that causes a mutation in DNA.

5. The Reasons for Cancer
Cancer cells reproduce in defiance of the normal restraints:
They don’t stop at the checkpoints in the cell cycle
They lack cell-to-cell communication ability
They resist to cell “suicide” signals

6. Images of Cancer
The following slides include images of advanced stages of different cancers.
The images may be somewhat disturbing, so if you are squeamish, you may want to cover your eyes.

7. Skin Cancer

9. Lung Cancer

10. Brain Cancer

11. Oral Cancer

12. Tumor on Spleen

13. Causes for Cancerous Mutations
Viruses
some viruses interfere with cell division by inserting their own DNA
Radiation
high energy radiation like ultraviolet light, X-rays and Gamma rays have been linked to forms of cancer
Chemicals
- cigarette smoke and smog have been linked to lung cancer

14. Tumour Terms
A tumour is a mass of disfunctional cells that have a grown from mutant parents.
Benign tumours: mainly harmless
Cells remain clustered together.
Malignant tumours: can be deadly.
Parts of these tumors can break off and spread throughout your body (metastasis).

15. Cancer Treatments Or a combination of all 3.
1. Surgery: tumour is cut out.
2. Radiation Therapy: radiation is used to kill the tumour cells
3. Chemo Therapy: Toxic chemicals attempt to poison the cancer cells (stop mitosis).
Or a combination of all 3.

16. Reflect On Your Learning
Produce a K-Q-L chart for this lesson in your notes.
KNEW
QUESTIONS
LEARNED
Identify 2-3 things from the lesson that you already knew
Identify 2-3 questions that you now have about the lesson
Identify 2-3 things that you learned about during the lesson

17. Video Animations
Oncogenes
Angiogenesis and Metastasis