Where {HEAD ~ the vector} is {TAIL ~ Agrobacterium}, it is preferred that the foreign nucleic acid be inserted into a binary plasmid which is the inserted into the Agrobacterium 
is
Where { HEAD ~ the vector } is { TAIL ~ Agrobacterium } , it is preferred that the foreign nucleic acid be inserted into a binary plasmid which is the inserted into the Agrobacterium
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH