Such an organism is capable of converting gasses comprising {HEAD ~ CO}, CO2, and H2 into acetyl CoA, cell mass, and {TAIL ~ products} 
Such an organism is capable of converting gasses comprising { HEAD ~ CO } , CO2 , and H2 into acetyl CoA , cell mass , and { TAIL ~ products }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL