Cell Division Study Guide
Section 9.1 – Cellular Growth
Vocabulary –
Cell Cycle
Mitosis
Chromosome
Interphase
Cytokinesis
Chromatin
1. Relate cell size to cell functions, and explain why cell size is limited. (Why can’t cells just keep growing?)
2. As a cell grows, its __ __ __ __ __ __ increases more than its __ __ __ __ __ __ __ __ __ __ __.
3. Draw the cell cycle in the space below:
4. __ __ __ __ __ __ __ __ __ __ is the longest phase of the cell cycle.
5. What occurs during each of the following phases of the cell cycle:
a. G1 –
b. S –
c. G2 –
6. Why must DNA replication (copy itself) before cell division?
7. Which of the following explain why a cell’s size is limited?
a. Volume increases faster than surface
c. Homeostasis is disrupted by a cell that
area.
is too large.
b. Surface area increases faster than
d. Both a and c
volume.
8. If the side of a cell double in length, its surface area becomes _______ times as large.
a. Two
c. Six
b. Four
d. Eight
9. Of the surface area – to – volume ratio, the surface area represents the
__ __ __ __ __ __ __ __ __ __ __ __ __ __ of the cell.
10. The __ __ __ __
__ __ __ __ __ describes the activities of a cell that include cellular growth and cell
division.
Section 9.2 – Mitosis and Cytokinesis
Vocabulary –
Prophase
Centromere
Metaphase
Telophase
1. Describe the events of each stage of mitosis.
a. Prophase –
Sister Chromatid
Spindle Apparatus
Anaphase
b. Metaphase –
c. Anaphase –
d. Telophase –
e. Cytokinesis –
2. The longest phase of mitosis is __ __ __ __ __ __ __ __.
3. The shortest phase of mitosis is __ __ __ __ __ __ __ __ __.
4. Among the following, the term that includes the others is _____.
a. Interphase
c. Mitosis
b. Nuclear division
d. Cell cycle
5. Starting with one cell that underwent six divisions, how many cells would result?
a. 13
c. 48
b. 32
d. 64
6. The phase of mitosis in which the sister chromatids separate from each other is __ __ __ __ __ __ __.
7. In the picture below: Identify a cell in each of the following stages of cell division: anaphase, interphase,
metaphase, telophase, prophase, cytokinesis.
Section 9.3 – Cell Cycle Regulation
Vocabulary –
Cancer
Cyclin – Dependent
Kinases
Carcinogen
Apoptosis
1. Describe how cyclins control the cell cycle.
2. Explain how the cancer cell cycle is different from the normal cell cycle.
3. Contrast apoptosis and cancer.
4. __ __ __ __ __ __
__ __ __ __ __ undergo uncontrolled, unrestrained growth and division because their
genes have been changed.
5. __ __ __ __ __ __ __ __ __ is a cell response to DNA damage that results in cell death.
6. __ __ __ __ __ __ __ __ __ __ __ are substances that cause cancer.
7. Which is not a characteristic of cancer cells?
a. Uncontrolled cell division
b. Lack of cell cyclins
c. Cancer cells crowd out normal tissue
d. Contain only one genetic change
8. Explain the relationship between cancer cells and the cell cycle.
9. The causes of cancer may include which of the following?
a. Environmental influences
b. UV radiation
c. Viruses
d. All of the above
Section 10.1 – Meiosis
Vocabulary –
Gene
Gamete
Fertilization
Meiosis
Crossing over
Haploid
Diploid
Homologous chromosome
1. How does meiosis produce haploid gametes?
2. How is metaphase I of meiosis different from metaphase of mitosis?
3. How does meiosis contribute to genetic variation, while mitosis does not?
4. Compare and contrast mitosis and meiosis in the space below:
5. __ __ __ __ __ __ __ __ __ __ __ __ results in an exchange of genes between homologous
chromosomes.
6. Cells containing two chromosomes for each trait are described as __ __ __ __ __ __ __.
7. The gamete that contains genes contributed only by the mother is a(n) __ __ __.
8. The numbers in the figure below represent the chromosome number found in each of the dog cells shown. The
processes that are occurring at A and B are __ __ __ __ __ __ __ and
__ __ __ __ __ __ __ __ __ __ __ __ __.
9. How does meiosis maintain a constant number of chromosomes in the body cells of organisms that reproduce
sexually?
10. Explain how crossing over in meiosis results in genetic variation.