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.
to repair damaged or old cells
to destroy damaged or old cells
to allow the cell to rest before the cell cycle restarts
to facilitate cell reproduction before the cell cycle restarts
When mutated cells ignore checkpoints, they reproduce uncontrollably, forming tumors. During which stage of the cell cycle does the cell divide into two cells?
M
G1
S
G2
Some cells ignore cell cycle checkpoints and continue to grow and divide uncontrollably despite cellular or genetic damage. What disease may directly result from such behavior?(1 point)
emphysema
emphysema
anemia
anemia
diabetes
diabetes
cancer
Summarize the function of checkpoints in the cell cycle.(1 point)
Checkpoints ready the cells for genetic material replication.
Checkpoints ready the cells for genetic material replication.
Checkpoints allow complete cells to bypass stages of the cycle.
Checkpoints allow complete cells to bypass stages of the cycle.
Checkpoints stop the cell cycle when errors are detected.
Checkpoints stop the cell cycle when errors are detected.
Checkpoints prepare the cells for organelle replication.
Checkpoints prepare the cells for organelle replication.
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?(1 point)
G1 Checkpoint
G2 Checkpoint
M Checkpoint
No checkpoint meets these criteria.
Answers: To destroy damaged or old cells. M. Cancer Checkpoints stop the cell cycle when errors are detected. G2 Checkpoint
Remember you can trust my answers if YOU want to.
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1. To destroy damaged or old cells
2. M
3. Cancer
4. Checkpoints stop the cell cycle when errors are detected
5. G2 Checkpoint
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