Download 2.3 Cell Div. Section Review Q WS

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Name:________________________________________________
Science 8-Mrs. Hagan
Date:_______
Period______
Pg:
Ch. 2.3 Cell Division Section Review Questions Worksheet
1.
A. What are the three main stages of the cell cycle? Briefly describe the events that occur in
each stage.
1.
2.
3.
b. Why must the DNA in a cell replicate before the cell divides?
c.
During what stage of mitosis does the chromatin condense and form rodlike structures?
________________
d. What happens to the chromosomes during metaphase?
2. A. See Fig. 10 on pg. 63: What is the name of the structure that holds the chromatids together?
__________________
b. What is the role of the spindle fibers during cell division?
3. How does cytokinesis differ in plant and animal cells?
4. A. List the nitrogen bases in DNA.
b. Describe how the nitrogen bases pair in a DNA molecule.
c. One section of a strand of DNA has the base sequence of AGATTC. What is the base
sequence on the other strand?
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