Question

if the checkpoint finds an error, what are some actions the cell can take to ensure the error does not get replicated?

Answer 1

Answer:

If the checkpoint mechanisms detect problems with the DNA, the cell cycle is halted, and the cell attempts to either complete DNA replication or repair the damaged DNA. If the damage is irreparable, the cell may undergo apoptosis, or programmed cell death 2.

Explanation:

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Answer 2

The cell cycle is the intricate process of replication of genetic material and producing the daughter cells. The cell cycle is regulated by several mechanisms, one of which is checkpoints.

Checkpoints are the sites where the cells are checked for errors and inaccuracy in the cell.

The cell takes action to ensure errors are not replicated as:

• The G1 checkpoint in the cell cycle is the primary checkpoint, which decided whether the cell should divide or not divide. It checks for size, DNA damage, and nutrients. The cell cycle will halt if there will be any errors.

• The G2 checkpoint is involved in the overall smoothening of the cell cycle. If any damage is observed after the other checkpoints, the cell cycle will pause in the G2 phase, halting the replication of errored genetic material.

• The M checkpoint corresponds to accurate attachment of the sister chromatids and the cycle will be in pause if the proper attachment is not done.

Thus, there are several checkpoints to check the errors in the DNA, and if any error persists, the cell cycle will be halted.

To know more about cell checkpoints, refer to the following link:

https://brainly.com/question/2720245