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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?
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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