In {TAIL ~ one embodiment}, RNase is added to digest {HEAD ~ RNA} released by the cells after lysis 
In { TAIL ~ one embodiment } , RNase is added to digest { HEAD ~ RNA } released by the cells after lysis
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH