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

Cells as the basic units of living organisms — practice question

Which of the statements is correct?

  • AA virus is composed of a protein coat which surrounds RNA or DNA.
  • BSuberin and cellulose are found in all plant cell walls.
  • CPlasmodesmata and centrioles are found in all plant cells.
  • DProkaryotic cells contain an endoplasmic reticulum to synthesise proteins.

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