{TAIL ~ The methanotrophic microorganisms} 21 can cometabilize {HEAD ~ short chain chlorinated hydrocarbons}, such as chlorinated alkenes 
{ TAIL ~ The methanotrophic microorganisms } 21 can cometabilize { HEAD ~ short chain chlorinated hydrocarbons } , such as chlorinated alkenes
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH