1. Mitosis lab Onion Root Tip Mitosis

2. 1. What type of cells are these? 2. How do you know? 3.What phase of the cell cycle are most cells likely to be in? Why?

3. Draw this phase of the cell cycle. Label all structures. What stage of the cell cycle is this? What are the characteristics of this phase? Figure 1

4. Draw this phase of the cell cycle. Label all structures. What are the characteristics of this phase? Figure 2

5. Draw this phase of the cell cycle. Label all structures What are the characteristics of this phase? Figure 3

6. Draw this phase of the cell cycle. Label all structures. What are the characteristics of this phase? Figure 4

7. Draw this phase of the cell cycle. Label all structures. What are the characteristics of this phase? Figure 5

8. Draw this phase of the cell cycle. Label all structures. What are the characteristics of this phase? Figure 6

9. 4. Describe how animal cells going through the cell cycle would differ from onion root tip cells. 5. Calculate time spent in each phase of the cell cycle at this website. What phases have the highest percentages? Explain. http://www.biology.arizona.edu/cell_bio/activities/cell_cycle/ cell_cycle.html click on next until you get to the activity Insert a table like the one in the activity Enter your results

10. 6. Identify the phases of the cell cycles for the cells labeled 1-5