Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

A culture of human cells had the cell surface membranes stripped away, so the cell contents were released. Bacteria then contaminated this material. The material was afterwards centrifuged, which separated the different cell structures by size and mass. Which cell structure would be separated out together with the bacteria?

  • Aendoplasmic reticulum
  • Bmitochondria
  • Cnuclei
  • Dribosomes

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