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Assessment
What is the primary role of cyclins in the cell cycle?
They activate cyclin-dependent kinases (CDKs).
They repair DNA damage.
They regulate metabolic processes.
They assist in protein synthesis.
Which checkpoint in the cell cycle is primarily responsible for assessing DNA damage before cell division?
G1 checkpoint
G2 checkpoint
M checkpoint
S checkpoint
What is the purpose of the Rb protein in cell cycle regulation?
It promotes cell division.
It inhibits progression from the G1 to S phase.
It facilitates RNA synthesis.
It enhances chromosome segregation.
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