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 their cell surface membranes removed, which caused the cell contents to be released. This material was contaminated with bacteria. The material was then centrifuged, separating 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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