Podcast
Questions and Answers
Which protein is responsible for stopping cell division?
Which protein is responsible for stopping cell division?
- Rb (correct)
- p53
- Cdc25
- Cyclin
During which phase does Cdc6 activate DNA helicases to start replication?
During which phase does Cdc6 activate DNA helicases to start replication?
- M phase
- G2
- G1
- S phase (correct)
What is the role of p21 in the cell cycle?
What is the role of p21 in the cell cycle?
- Activates G1-Cdk and S-Cdk
- Inhibits Rb phosphorylation
- Binds to G1/S-Cdk and S-Cdk to stop the cell cycle (correct)
- Induces apoptosis
Which complex tags M and S cyclins with ubiquitin for degradation?
Which complex tags M and S cyclins with ubiquitin for degradation?
What occurs if DNA damage cannot be repaired?
What occurs if DNA damage cannot be repaired?
Which protein is responsible for removing inhibitory proteins to activate cell division?
Which protein is responsible for removing inhibitory proteins to activate cell division?
Flashcards
Role of Rb protein
Role of Rb protein
Rb protein halts cell division.
Cdc6 function in S phase
Cdc6 function in S phase
Cdc6 activates DNA helicases to initiate replication.
P21 role in cell cycle
P21 role in cell cycle
P21 binds to G1/S-Cdk and S-Cdk, halting the cell cycle.
Function of APC complex
Function of APC complex
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Result of irreparable DNA damage
Result of irreparable DNA damage
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Function of Cdc25 protein
Function of Cdc25 protein
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