[Campbell Biology P.149] Which organelle is described as a 'network of membranous sacs and t... | Practice Question

Which organelle is described as a 'network of membranous sacs and tubes' that is 'active in membrane synthesis and other synthetic and metabolic processes' and has 'rough ribosome-studded and smooth regions'?

  • A: Golgi apparatus
  • B: Mitochondrion
  • C: Endoplasmic Reticulum (ER)
  • D: Lysosome

Explanation

The description provided exactly matches the definition of the Endoplasmic Reticulum ER as given in the diagram. It explicitly mentions 'rough ribosome-studded and smooth regions' and its role in 'membrane synthesis and other synthetic and metabolic processes'.