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Questions and Answers
What is a primary function of apoptosis in cellular biology?
What is a primary function of apoptosis in cellular biology?
- To clean up damaged cells (correct)
- To increase metabolic rate
- To promote rapid cell division
- To enhance immune response
Which factor is least likely to trigger apoptosis in cells?
Which factor is least likely to trigger apoptosis in cells?
- Excessive nutrient availability (correct)
- DNA damage
- Lack of oxygen
- Growth factor deprivation
How do destructive free radicals influence cellular health?
How do destructive free radicals influence cellular health?
- They promote cell replication
- They facilitate energy production
- They can cause DNA damage leading to apoptosis (correct)
- They enhance nutrient absorption
Which of the following conditions is most associated with the initiation of apoptosis?
Which of the following conditions is most associated with the initiation of apoptosis?
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What role does lack of oxygen play in cell survival?
What role does lack of oxygen play in cell survival?
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Study Notes
Apoptosis
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Apoptosis is a process of programmed cell death.
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Apoptosis is essential for maintaining tissue homeostasis and removing damaged or unnecessary cells.
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Factors that can trigger apoptosis include:
- Free radicals: Highly reactive molecules that can damage cellular components.
- DNA damage: Alterations to the genetic material of a cell.
- Growth factor deprivation: The absence of signals that promote cell growth and survival.
- Lack of oxygen and nutrients: Conditions that can compromise cellular function and viability.
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