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Q.
See the pBR322 diagram below to describe 'a' to 'b' Plasmid vector.
NTA AbhyasNTA Abhyas 2020
Solution:
In pBR322, two antibiotic resistance genes are present: ampicillin and tetracycline. The PvuI and PstI are located in the ampicillin gene and PvuII is located in the rop gene.