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Peroxisomes are distinguished by their content of enzymes that

  • A.package materials into secretory vesicles
  • B.replicate the cell's genetic material
  • C.produce and then break down hydrogen peroxide
  • D.synthesise proteins for export from the cell

Answer: C

Oxidases generate the peroxide and catalase destroys it, so a dangerous intermediate is contained within one compartment. Very long fatty acids are broken down there as well. Their name records the peroxide rather than any other feature of the organelle.

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