Methanotrophic microorganisms 21 are generally defined as those microorganisms which can derive {HEAD ~ energy} from the utilization of {TAIL ~ methane} 19, specifically by oxidation 
Methanotrophic microorganisms 21 are generally defined as those microorganisms which can derive { HEAD ~ energy } from the utilization of { TAIL ~ methane } 19 , specifically by oxidation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH