STANDARD Zoology Vectors MCQ Question
The figure below is the diagrammatic representation of the E. coli vector pBR322. Which one of the given options correctly identifies its certain component(s)
Ori-original restriction enzyme
Rop-reduced osmotic pressure
Hind III, EcoRI-selectable markers
ampᴿ, tetᴿ- antibiotic resistance genes
Correct Answer
Detailed Explanation
ampᴿ and tetᴿ are antibiotic resistance genes used as selectable markers in the pBR322 vector. These markers help in identifying and selecting transformed cells.
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