6 Questions
Which protein is responsible for stopping cell division?
Rb
During which phase does Cdc6 activate DNA helicases to start replication?
S phase
What is the role of p21 in the cell cycle?
Binds to G1/S-Cdk and S-Cdk to stop the cell cycle
Which complex tags M and S cyclins with ubiquitin for degradation?
APC
What occurs if DNA damage cannot be repaired?
Apoptosis
Which protein is responsible for removing inhibitory proteins to activate cell division?
Cdc25
Test your knowledge on cell cycle control mechanisms, mitosis phases, and apoptosis triggers with this quiz. Learn about key concepts such as cyclin-CDK complex, phosphorylation, and cell cycle checkpoints.
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