Down
1. Division of the cytoplasm
2. Structure made of fibers that help to move chromosomes during mitosis
3. A chromosome consists of two identical ____
5. Disease caused by uncontrolled cell growth
7. Cells are limited in size by their surface areas and ____
8. Paired structure that helps to organize the spindle
12. Cells exchange materials across the cell ____
14. The phase where chromatids separate
16. The phase where chromosomes first become visible