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Questions and Answers
What happens to a cell that has stopped dividing due to cellular ageing?
What happens to a cell that has stopped dividing due to cellular ageing?
- Senescence (correct)
- Apoptosis
- Unregulated cell division
- Tumor formation
What is the result of failure to repair extensive DNA damage?
What is the result of failure to repair extensive DNA damage?
- Cell differentiation
- DNA replication
- Cell division
- One of three states: Senescence, Apoptosis or Unregulated cell division (correct)
What is the role of photolyases in DNA repair?
What is the role of photolyases in DNA repair?
- To convert bases back to their original state in the dark
- To repair damage caused by exposure to visible light
- To repair damage caused by ultraviolet light but only in the absence of oxygen
- To reversibly bind and convert lesions back to original bases in the presence of visible light (correct)
What is the outcome of unregulated cell division?
What is the outcome of unregulated cell division?
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What is necessary for photoreactivation to occur?
What is necessary for photoreactivation to occur?
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What is the process by which a cell identifies and repairs DNA damage?
What is the process by which a cell identifies and repairs DNA damage?
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What determines the rate of DNA repair?
What determines the rate of DNA repair?
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What is the result of apoptosis?
What is the result of apoptosis?
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What is the only biomolecule that can be repaired?
What is the only biomolecule that can be repaired?
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What is the term for the process by which DNA damage is directly reversed?
What is the term for the process by which DNA damage is directly reversed?
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What is the outcome of cellular senescence?
What is the outcome of cellular senescence?
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