No: The Tred blood cells. What makes these un nucleated cells unique is that they contain the hemoglobin molecule which can transport oxygen and release it in the organs needing O2 to survive. When the deoxygenated blood reaches the lungs, O2 is picked up again by the hemoglobin molecule. The 3 molecules necessary for creating life were carbon, O2 and Fe which comprises hemoglobin.
Answered 7/14/2017
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