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 shows the correct labels for the diagram illustrated?

  • A1 carbaminohaemoglobin; 2 carbonic anhydrase; 3 hydrogencarbonate
  • B1 carbonic anhydrase; 2 carbaminohaemoglobin; 3 carbon dioxide
  • C1 carbonic anhydrase; 2 carbaminohaemoglobin; 3 hydrogencarbonate
  • D1 hydrogencarbonate; 2 carbon dioxide; 3 carbonic anhydrase

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