Out of the following options given below which one of the following is a vector?
BamHI
SalI
pBR322
EcoRI
As discussed in pBR322 Plasmid Vector & Mode of Selection of Transformants -
pBR322 was the first artificial cloning vector constructed in 1977 by Bolivar and Rodriguez.
In pBR322:
Hence, the correct option is (c).