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Get Answers to all your Questions
- #Class 11
- #Biology
- #National Eligibility Cum Entrance Test
- #Cell Structure and Function
- #Medical
- #National Eligilibility Cum Entrance Test
Cyclins are involved in
Option: 1
Regulation of cell cycle at checkpoint
Option: 2
Regulation of DNA replication
Option: 3
Regulation of spindle formation
Option: 4
None of these
Answers (1)
Control and Regulation of the Cell Cycle
- The regulation of the cell cycle is important so that faulty or compromised cell could not divide.
- There can be a mutation during DNA replication and other events of the cell cycle.
- Therefore, there are checkpoints in the cell cycle that would check for the errors and would stop the cell cycle if there is any fault and would allow the cell cycle to continue if there is no fault.
- There are three checkpoints in the cell cycle as G1 checkpoint, G2 checkpoint and M checkpoint.
Proteins involved in the regulation of cell cycle:
- Two groups of proteins called cyclins and cyclin-dependent kinases (Cdks) are responsible for the progress of the cell through the various checkpoints.
- There are four cyclins and four Cdks.
- After the cell moves to the next stage of the cell cycle, the cyclins that were active in the previous stage are degraded.
-
Two groups of proteins called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell through the various checkpoints.
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