The hole in {TAIL ~ the membrane} prevents pore collapse so that {HEAD ~ the surface area} of the membrane is retained during the peptide formation process 
The hole in { TAIL ~ the membrane } prevents pore collapse so that { HEAD ~ the surface area } of the membrane is retained during the peptide formation process
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH