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CELL GROWTH AND DIVISION
NAME: _____________
CHAPTER 10 FILL-IN-THE BLANK WORKSHEET
WRITE THE NAME OF THE CORRECT PHASE IN THE BLANK.
_________________ 1. Centromeres divide
_________________ 2. Centrioles move to opposite ends of the cell
_________________ 3. Nuclear membrane forms
_________________ 4. Chromosome strands separate toward opposite ends of the cell
_________________ 5. Chromosomes are copied
_________________ 6. Spindle fibers attach to chromosomes
_________________ 7. The nuclear membrane disappears
_________________ 8. Chromosomes appear scrunched up
_________________ 9. Double-stranded chromosomes line up in the center of the cell
_________________ 10. Chromosomes condense and become visible
_________________ 11. Centrioles disappear
_________________ 12. Two cells are formed when the cytoplasm splits
_________________ 13. Major time for cell growth
COMPLETE THE FOLLOWING SENTENCES CORRECTLY.
14. In animal cells, once the nucleus has divided, the _________________ pinches in two
to form two new cells.
15. The two main reasons why cells divides are because there is _________ overload and
material _______________ can’t keep up.
16. _______________ regulators respond to events inside the cell cycle.
17. Plant and animal cells have ________________ fibers during mitosis.
18. Bacteria reproduce asexually by means of a processcalled______________________ .
19. In plant cells, a structure called a _________________________ forms between two
new nuclei.
20. The process by which a new organism is produced when sex cells from two parents
combine is called ____________ ________________ .
21. Proteins that respond to events outside the cell are called _____________ regulators.
22. Substances that can damage DNA and cause cancer are called ___________________.
23. _______________ increases faster than _____________ area in growing cells.
24. ____________ are a family of proteins that help control the cell cycle.
25. All types of cancer have one thing in common; they have all lost control of their
__________ ______________.
26. The two copies of each chromosome that are the same size, same shape, and carry genes
for the same traits are called _______________________________ chromosomes.
27. The two chromatid arms on a chromosome are ____________________.