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Mention four features of pBR322....

Mention four features of pBR322.

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Four features of `pBR_(322)` :
(i) It contains two antibiotic resistance genes-gene bla and gene teta.
(ii) It contains rop gene which codes for the proteins involved in the replication of plasmid.
(iii) It has two sites for restriction enzymes Hind III and Cla I.
(iv) It has unique restriction sites for more than forty restriction enzymes.
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