Summarize the function of checkpoints in the cell cycle.(1 point) Responses
Checkpoints prepare the cells for organelle replication. Checkpoints prepare the cells for organelle replication.
Checkpoints ready the cells for genetic material replication. Checkpoints ready the cells for genetic material replication.
Checkpoints stop the cell cycle when errors are detected. Checkpoints stop the cell cycle when errors are detected.
Checkpoints allow complete cells to bypass stages of the cycle.
Checkpoints in the cell cycle serve to stop the cycle when errors are detected, allowing for repairs to be made. They ensure that the cells are prepared for organelle replication and genetic material replication, and allow complete cells to bypass certain stages of the cycle if necessary.
Checkpoints in the cell cycle serve several functions:
1. Checkpoints prepare the cells for organelle replication: These checkpoints ensure that the cell has enough energy and resources to undergo replication of its organelles, such as mitochondria and chloroplasts.
2. Checkpoints ready the cells for genetic material replication: These checkpoints verify that the cell's DNA is undamaged and that there are sufficient nucleotides available for DNA replication.
3. Checkpoints stop the cell cycle when errors are detected: These checkpoints monitor the integrity of the DNA to identify any errors, mutations, or damage. If any abnormalities are detected, the checkpoints halt the cell cycle to allow for repair or to initiate programmed cell death (apoptosis) if the damage is beyond repair.
4. Checkpoints allow complete cells to bypass stages of the cycle: In certain circumstances, such as during differentiation or in response to external signals, checkpoints can allow fully developed cells to skip specific stages of the cell cycle, allowing them to enter a state of cell cycle arrest or exit the cell cycle altogether.