1. Cell Cycle Review

2. Cell Cycle Cell Cycle is controlled by proteins at different
checkpoints

3. Cells that undergo Mitosis and Cytokinesis are referred to as somatic cells, which are simply body cells. The cells produced (daughter cells) are genetically identical to the original cell (parent cell). 2
1. How many daughter cells are created from mitosis and cytokinesis? 2. If a chimpanzee liver cell has chromosomes, how many chromosomes will be in each daughter cell? 54

4. Cell Division of a Somatic (Body) Cell Interphase Prophase Cytokinesis
Telophase
Metaphase
Anaphase
Metaphase
Anaphase

5. Mitosis & Cytokinesis Mitosis – cell division of the nucleus
metaphase
parent cell
prophase
anaphase
identical daughter cells
telophase
Mitosis – cell division of the nucleus
Cytokinesis – division of the cytoplasm
Mitosis is a form of __________________ because identical cells are made from one cell.
asexual reproduction

6. Cell Plate
Belt of Proteins

7. Centrioles
- make spindle fibers
Centromere
Spindle fibers
- move
chromosomes
Sister Chromatids
original DNA & copy joined together by the centromere

8. Predict what would happen if cytokinesis were skipped?
You would end up with a bigger cell that would have two nuclei.

9. Predict what would happen if a cell produced faulty spindle fibers?
The chromatids would not separate.

10. Predict what would happen if the Synthesis (S) phase were removed?
DNA would not be copied and the new cell would not have a copy of the DNA.

11. What phase is this?
Prophase

12. What phase is this?
Anaphase

13. What phase is this?
Cytokenisis

14. What phase is this?
Telophase

15. What phase is this?
Interphase

16. What phase is this?
Metaphase

17. Put the phases in the correct order!B C A F D E B F C E A D

18. Where does DNA replication occur?G1 S G2 M

19. What part of the cell cycle results in daughter cells?
mitosis
prophase
cytokinesis
G2 checkpoint

20. What is the purpose of mitosis?
Guarantees that each daughter cell has half the amount of DNA than the parent
It ensures that new nuclei have correct amount of DNA
It ensures the reproduction of mitochondria and chloroplast
It prevents the occurrence of cancer cells

21. Radiating fibers Nuclear envelope chromatids Spindle apparatus
What structure(s) allows chromosomes to separate and move during mitosis?
Radiating fibers
Nuclear envelope
chromatids
Spindle apparatus

22. Cells spend 90% of their time in which phase?
Cytokinesis
Telophase
Prophase
Interphase

23. mRNA transcription DNA replication DNA translation DNA transformation
What process results in two complete strands of DNA from one original strand?
mRNA transcription
DNA replication
DNA translation
DNA transformation

24. Cancer Cells Problem: Regulation of cell growth and division is lost
Cells do not respond normally to control mechanisms
Cells continue to divide without passing through G1