{HEAD ~ Those fats} with a high proportion of saturated fatty acids are typically solids at room temperature while {TAIL ~ triacylglycerols} in which unsaturated fatty acyl chains predominate tend to be liquid 
{ HEAD ~ Those fats } with a high proportion of saturated fatty acids are typically solids at room temperature while { TAIL ~ triacylglycerols } in which unsaturated fatty acyl chains predominate tend to be liquid
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH