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Which of the following statement is incorrect?

Option: 1

During DNA replication and other phases of the cell cycle, mutations can occur.


Option: 2

The cell cycle must be controlled in order for a compromised or defective cell to not divide.


Option: 3

The cell cycle has three checkpoints: the G1 checkpoint, the G2 checkpoint, and the M checkpoint.


Option: 4

The Cdk that were active in the preceding stage of the cell cycle are destroyed after the cell advances to the following stage.


Answers (1)

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D. The correct statement is that the active cyclins in the preceding stage of the cell cycle are destroyed after the cell advances to the following stage. The Cdk is active in the preceding stage of the cell cycle are destroyed after the cell advances to the next stage. Cyclins are regulatory proteins that regulate the cell cycle's activity of cyclin-dependent kinases (Cdks). Various cyclins are produced at particular points in the cell cycle and are then degraded when no longer required. A cyclin is targeted for destruction once it has served its purpose and the cell moves on to the following phase of the cycle to stop it from continuing to activate the Cdk that it is linked to. Hence option 4 is the correct answer.

 

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