1. MITOSIS

2. 10X Magnification of Stained Human Cheek Cells

3. Parts of the Human Cheek Cell at 40X Magnification

4. Can you name these parts of the Human Cheek Cell?

5. CELL CYCLE

6. Interphase
This cell is shown, as this is how all cells look before mitosis.
Please be aware that Interphase is a phase of the cell cycle, but NOT a stage of mitosis.

7. During Interphase DNA replicates which must occur before Mitosis can begin .

8. Centrioles
: Nuclear division

9. Mitosis - Prophase
1. Nuclear membrane breaks down
2. Chromosomes shorten and thicken
3. Structures important for mitosis are also forming (centrioles).

10. View of onion root tip under low power

11. MITOSIS – ONION ROOT TIP
Interphase
Prophase
Later Prophase
Metaphase
Early Anaphase
Anaphase
Telophase
Later Telophase

12. Mitosis - Metaphase
1. The spindle has now formed
2. Nuclear membrane has broken down.
3. Chromosomes are lined up along the cell's center and are attached to the spindle fibers.

13. Centriole
Spindle Fibers
Chromosomes

14. Mitosis - Anaphase
The newly formed chromosomes are pulled along the spindle toward opposite poles(ends) of the cell.

16. Mitosis - Telophase
Chromosomes have finished their migration to the poles.
The spindle has broken down and disappeared.
The cell membrane pinches in (forms a cleavage furrow) along the center creating two separate cells
Nuclear membrane reforms.

17. 4. Cytokinesis-The division of the cytoplasm.
5. At the end of Telophase, the cell reenters Interphase.

18. The X is pointing to what structure?

19. STAGES OF MITOSIS IN WHITEFISH BLASTULA

21. Create a Sentence P M A T

22. Cell Cycle Plate Divide your plates into 6 sections
Prophase
Interphase
Divide your plates into 6 sections
Label each section. MOVE CLOCKWISE!
Define each stage in your own words
Illustrate what the cell is doing in each stage.
Metaphase
Cytokinesis
Telophase
Anaphase

23. Cell Cycle Plate CUT ALONG THE SHOWN LINES.
Retrieve a brass brad from your teacher.
Punch a hole in the center of both plates.
Use the brad to fasten the two plates together
Prophase
Interphase G1 S
Metaphase
Cytokinesis M G2
Telophase
Anaphase