A 12.8 Kb circular plasmid is digested with the following restriction enzymes, resulting in the pattern of bands indicated.
BamHI 12.8kb
HindIII 9.3kb + 3.5kb
BamHI + HindIII 6.7Kb + 3.5Kb + 2.6Kb
SalI 12.8Kb
XbaI 12.8
SalI + HindIII 6.7kb + 3.5Kb + 2.6Kb
Xba + HindIII 9.3Kb + 1.75 Kb
SalI + BamHI 8.7Kb + 4.1 Kb
a) Draw a restriction map of the plasmid.