1. Chapter 3: Cells Part IV: The Cell Cycle Control of Cell Division Stem and Progenitor Cells

2. The Cell Cycle Cell Cycle –1. –2.

4. Interphase- 1. 2. Stages a. b. c. The Cell Cycle

5. Cell Cycle Mitosis 1. 2. 3.

6. Cell Cycle Prophase 1. 2

7. Cell Cycle Metaphase 1. 2.

8. Cell Cycle Anaphase 1. 2. 3.

9. Cell Cycle Telophase 1. 2.

10. Cell Cycle Cytoplasmic Division (cytokinesis) 1. 2. 3.

12. Control of Cell Division Cells divide at different rates 1. 2. Cells in humans

13. Control of Cell Division Telomeres # of divisions of a cell 1. 2.

14. Control of Cell Division Other factors also control cell division: 1.Size of cell 2. Hormones and Growth factors 3. Space availability

15. Control of Cell Division Tumors: 1. 2. 3. Two types a. b.

17. Control of Cell Division Cancer: 1. 2. 3. Metastasis

18. Control of Cell Division Characteristics of cancer cells –Pg. 105 Table 3.6 Treatment 1. 2. 3.

20. Control of Cell Division Genes and Cancer: 1.Oncogenes 2. Tumor suppressor genes Environmental factors 1. 2.

21. Stem Cells and Progenitor Cells Cells come from other preexisting cells. Stem cells 1. 2. Progenitor cells

23. Stem cells and progenitor cells Totipotent 1. 2. pluripotent- 1. 2.

24. Stem and Progenitor Cells All cells have –Exception: Each cell type follows See Figure 3.42 on pg. 108