Which of the following CdKs and cyclins comes | vedclass

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(B) The correct answer is $CdK_{2} / Cyclin\; B$.The cell cycle is regulated by enzymes known as cyclin-dependent kinases $(CdKs)$.$CdKs$ phosphorylat

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$CdK_{2} / Cyclin\; B$

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(B) The correct answer is $CdK_{2} / Cyclin\; B$.The cell cycle is regulated by enzymes known as cyclin-dependent kinases $(CdKs)$.$CdKs$ phosphorylate specific amino acids,such as serine and threonine,which either initiate or inhibit cell cycle activities.Key checkpoints in the cell cycle include:$1$. The $G_{1}$ checkpoint (entry into $S$ phase) is controlled by $CdK_{4} / Cyclin\; D$ and $CdK_{6} / Cyclin\; D$.$2$. The $G_{2}$ checkpoint (entry into $M$ phase,involving the Maturation Promoting Factor or $MPF$) is controlled by $CdK_{2} / Cyclin\; B$.$3$. The Metaphase checkpoint (Spindle assembly checkpoint) is controlled by the degradation of $Cyclin\; B$.

Which of the following $CdKs$ and cyclins comes under the $G_{2}$ checkpoint?

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