Physiology Chemical structure of hemoglobin is A Has 2 polypeptide chains with 4 heme B Has 4 polypeptide chains with 2 heme C Has 4 polypeptide chains with 4 heme D None of the above 💡 Explanation Chemical structure of hemoglobin is ✓ Correct Answer: C. Has 4 polypeptide chains with 4 heme