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प्रश्न
Draw a schematic sketch of pBR 322 plasmid and label the following in it:
(a) Any two restriction sites.
(b) Ori and rop genes.
(c) An antibiotic resistant gene.
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उत्तर
pBR322
The Restriction sites mentioned in the figure are Hind III, EcoR I, BamH I, Sal I, Pvu II, Pst I, Cla I (any two can be considered) Antibiotic resistant genes: ampR and tetR
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संबंधित प्रश्न
Name the selectable markers in the cloning vector pBR322. Mention the role they play.
Can you think and answer how a reporter enzyme can be used to monitor the transformation of host cells by foreign DNA in addition to a selectable marker?
Why is the coding sequence of an enzyme β-galactosidase a preferred selectable marker in comparison to the ones named above?
Explain the importance of ‘Selectable marker’, with the help of a suitable example.
How does the β-galactosidase coding sequence act as a selectable marker? Why is it a preferred selectable marker to antibiotic resistance genes? Explain.
The genetic material of virus includes:
A clone is a ______.
Plasmids are suitable vectors for gene cloning because these ______.
A plasmid without a selectable marker was chosen as vector for cloning a gene. How does this affect the experiment?
Which of the following is not a cloning vector?
