Guest guest Posted December 8, 2004 Report Share Posted December 8, 2004 Chemically the only difference between chlorophyll and haemoglobin is the central atom -- one is Mg the other Fe. Of course the properties and colors differ -- but both are vital for respiration for their respective organisms. http://www.chm.bris.ac.uk/motm/chlorophyll/chlorophyll_h.htm Quote Link to comment Share on other sites More sharing options...
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