This diversity, as discussed above, results from {HEAD ~ the changing} of the shape, size, {TAIL ~ hydrophilicity}, hydrophobicity, charge and reactivity to name a few, when introducing new functionality 
This diversity , as discussed above , results from { HEAD ~ the changing } of the shape , size , { TAIL ~ hydrophilicity } , hydrophobicity , charge and reactivity to name a few , when introducing new functionality
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH