The given figure is the diagrammatic representation of the E.coli vector pBR322. Which one of the given options correctly identifies its certain component(s)?
Correct answer: D. AmpR, tetR -antibiotic resistance genes
- A. Original restriction enzyme
- B. Rop-reduced osmotic pressure
- C. HindIII, EcoRI selectable markers
- D. AmpR, tetR -antibiotic resistance genes
Explanation
In pBR322, ori-represents site or origin of replication rop codes for proteins take part in the replication of plasmid. Hind III, Eco RI -recognition sites of restriction endonucleases. amp R and tet R - antibiotic resistance genes.
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