1. There are many points during the cell cycle when the process of division may stop because of a problem. Sometimes the process doesn’t stop. Summarize the function of apoptosis in the cell cycle.
A. to facilitate cell reproduction before the cell cycle restarts
B. to allow the cell to rest before the cell cycle restarts
C. to repair damaged or old cells
D. to destroy damaged or old cells
2. When mutated cells ignore checkpoints, they reproduce uncontrollably, forming tumors. During which stage of the cell cycle does the cell divide into two cells?
A. G2
B. G1
C. S
D. M
3. Some cells ignore cell cycle checkpoints and continue to grow and divide uncontrollably despite What disease may directly result from such behavior?
A. Cancer
B. Emphysema
C. Diabetes
D. anemia
4. Summarize the function of checkpoints in the cell cycle.
A. Checkpoints allow complete cells to bypass stages of the cycle.
B. Checkpoints ready the cells for genetic material replication.
C. Checkpoints stop the cell cycle when errors are detected.
D. Checkpoints prepare the cells for organelle replication.
5. A cell contains DNA damage that causes it to undergo apoptosis before reaching mitosis. This cell had twice the amount of DNA for a cell of this type. During which checkpoint did this cell trigger apoptosis?
A. G1 Checkpoint
B. G2 Checkpoint
C. M Checkpoint
D. No checkpoint meets these criteria.