Carboxyhemoglobin (10-20%) is formed when CO2 combines with:
Correct answer: A. Amino group of haemoglobin
- A. Amino group of haemoglobin
- B. Haem portion of haemoglobin
- C. Iron part of haemoglobin
- D. Plasma proteins
Explanation
Factual Recall. About 70% CO2is transported in the form of bicarbonate ions and about 20% is transported carboxyhaemoglobin. Carboxyhaemoglobin is formed when carbon dioxide combines with amino group of haemoglobin.
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