Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The diagram illustrates the role of red blood cells in transporting carbon dioxide. Which row is correct?

  • A1 carbaminohaemoglobin; 2 haemoglobinic acid; 3 hydrogen ions; 4 hydrogen carbonate ions
  • B1 carbonic anhydrase; 2 carbonic acid; 3 hydrogen ions; 4 hydrogen carbonate ions
  • C1 carboxyhaemoglobin; 2 carbonic anhydrase; 3 carbonic acid; 4 carbon dioxide
  • D1 haemoglobinic acid; 2 carbonic acid; 3 hydrogen carbonate ions; 4 hydrogen ions

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