Choose the correct answer from the list below. Not all of the answers will be used.
-A plasmid is an example of a common _______________.

A)ligase
B)restriction enzymes
C)DNA microarray
D)expression
E)Sanger
F)footprint
G)vector
H)E. coli
I)cDNA
J)reverse trancriptase
K)fluorescent
L)polymerase chain reaction