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

Cells as the basic units of living organisms — practice question

Which statement is the correct one?

  • AA virus is composed of a protein coat which may surround RNA or DNA.
  • BEukaryotic plant cell walls contain peptidoglycans in addition to cellulose.
  • CPlasmodesmata and centrioles are found in all plant cells.
  • DProkaryotic cells contain 80S ribosomes which they use to manufacture proteins.

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