The figure below is the diagrammatic representation of the E.Coli vector pBR 322. Which one of the given options correctly identifies its certain component (s)?
ori - orignal restriction enzyme
rop-reduced osmotic pressure
Hind III, EcoRI - selectable markers
ampR, tetR - antibiotic resistance genes
Ori represents the site of origin of replication, rop represents the proteins that take part in the replication of plasmid. Hind III, Eco RI are the recognition sites of restriction endonucleases. ampR and tetR