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