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

Cells as the basic units of living organisms — practice question

Which row presents a comparison that is incorrect between a typical prokaryotic cell and a typical eukaryotic plant cell?

  • Aprokaryotic cell: DNA not associated with histones; eukaryotic plant cell: DNA associated with histones
  • Bprokaryotic cell: no endoplasmic reticulum present; eukaryotic plant cell: endoplasmic reticulum present
  • Cprokaryotic cell: peptidoglycan cell walls; eukaryotic plant cell: cellulose cell walls
  • Dprokaryotic cell: all ribosomes approximately $18\ \text{nm}$ in diameter; eukaryotic plant cell: all ribosomes approximately $22\ \text{nm}$ in diameter

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