Biology
Cell Cycle Worksheet___/30
Name
Date
_______Period
Follow the directions for each section carefully.
Section A (20 pts)
1. Label the diagram on the back of the sheet. (5)
Include the following labels: interphase, G 1 , G 2 , S, Mitosis, Cytokinesis
2. On the diagram, write abbreviated steps of each phase of the cell cycle.(10)
a. G 1 Phase – include: main events
b. S phase – include: main event
c. G 2 Phase – include main events
d. Mitosis – include phases of mitosis
e. Cytokinesis – describe
3. Color each phase a different color (5)
Section B ( 10 pts)
1. Answer the following questions
a. What are the 2 cell types in humans that do not divide?
b. What kinds of cells divide quickly?
c. What is cancer? How do healthy cells prevent it?
d. What is the final product of DNA replication?
e. In which part of Interphase is DNA replicated?
f. In which part of Interphase are organelles replicated?
g. When does cytokinesis begin? When does it end?
h. Why is DNA replication important?
i. What is the building block of DNA?
j. What is the importance of genetic mutations?