Multiple choice Fe is in +3 oxidation state in Haemoglobin +2 Myoglobin+2 Transferrin +3 Ferritin +3 Only 1 Only 1 and 2 Only 2 and 3 Only 2 and 4 Only 3 and 4 Reveal answer Fill a bubble to check yourself E Correct answer Explanation Fe is in +3 oxidation state in transferrin as well as ferritin.