Question
Explain the role of cyclins and cyclin-dependent kinases in regulation of cell cycle.
Answer :
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Cyclins and cyclin-dependent kinases (CDKs) play a crucial role in regulating the cell cycle, ensuring that cells divide accurately and at the appropriate time. The cell cycle is a series of phases—G1, S, G2, and M—through which a cell passes to grow and divide. Cyclins are a group of proteins whose levels fluctuate throughout the cell cycle, acting as regulators by activating CDKs. CDKs are enzymes that phosphorylate target proteins, driving the progression of the cell cycle. Cyclins bind to specific CDKs to form active cyclin-CDK
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