Carbaminohaemoglobin forms when CO₂ binds to

  1. water
  2. chloride ions
  3. amine groups of haemoglobin
  4. the iron ion
Answer

C) amine groups of haemoglobin

CO₂ binds to amino groups of the globin. AS & A Level Biology · Topic 8 Transport in Mammals · 8.2 Transport of oxygen and carbon dioxide

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