Aging and Cell Death
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Questions and Answers

Which of the following is NOT a mechanism by which cells die?

  • Formation of blebs on the plasma membrane surface (correct)
  • Activation of self-destructive enzymes
  • Killed by harmful agents
  • Induced to commit apoptosis

What is the purpose of apoptosis?

  • To promote proper development
  • To destroy DNA polymerase
  • To digest the cytoskeleton
  • To remove harmful cells (correct)

What initiates apoptosis?

  • Release of proteins within the mitochondria
  • Binding of ligand to DNA polymerase
  • Ligand-receptor signaling (correct)
  • Digestion of the cytoskeleton

What happens to the cell during apoptosis?

<p>The cytoskeleton is digested (B)</p> Signup and view all the answers

What is the final step in apoptosis?

<p>Marking the cell for phagocytosis (A)</p> Signup and view all the answers

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