$pBR322$ contains the recognition sites for which of the following endonucleases at the $amp^R$ site?
- A$Pvu$ $II$ and $Pvu$ $I$
- B$Pst$ $I$ and $Pvu$ $I$
- C$Sal$ $I$ and $Bam$ $HI$
- D$Pst$ $I$ and $Sal$ $I$
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Similar Questions
Select the correct option. The $E. coli$ cloning vector $pBR322$ contains antibiotic resistance genes.
Refer to the following statements for agarose-gel electrophoresis :
$(a)$ Agarose is a natural polymer obtained from sea-weed.
$(b)$ The separation of $DNA$ molecules in agarose-gel electrophoresis depends on the size of $DNA$.
$(c)$ The $DNA$ migrates from negatively-charged electrode to the positively-charged electrode.
$(d)$ The $DNA$ migrates from positively-charged electrode to the negatively-charged electrode.
Choose the most appropriate answer from the options given below :
$(a)$ Agarose is a natural polymer obtained from sea-weed.
$(b)$ The separation of $DNA$ molecules in agarose-gel electrophoresis depends on the size of $DNA$.
$(c)$ The $DNA$ migrates from negatively-charged electrode to the positively-charged electrode.
$(d)$ The $DNA$ migrates from positively-charged electrode to the negatively-charged electrode.
Choose the most appropriate answer from the options given below :
MediumNEET 2022
View SolutionWhich antibiotic resistance genes are present in $pBR322$?
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View SolutionRestriction endonuclease is used in
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View SolutionThe insertion of $DNA$ in genetic engineering is attributed to the discovery of which of the following?
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