Endoplasmic Reticulum (ER) Quiz

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Questions and Answers

What are the two subunits of the endoplasmic reticulum?

  • Golgi apparatus and lysosomes
  • Nucleus and cytoplasm
  • Rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER) (correct)
  • Ribosomes and mitochondria

Where is the rough endoplasmic reticulum (RER) mainly found within the cell?

  • Inside the mitochondria
  • In the cytoplasm
  • Toward the cell membrane
  • Toward the nucleus of the cell (correct)

What is the main function of the endoplasmic reticulum?

  • Transportation system and protein folding (correct)
  • Energy production and storage
  • Cell division and replication
  • Waste elimination and detoxification

With which organelle are the membranes of the endoplasmic reticulum continuous?

<p>Outer nuclear membrane (D)</p> Signup and view all the answers

In which types of cells is the endoplasmic reticulum not found?

<p>Red blood cells and spermatozoa (A)</p> Signup and view all the answers

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