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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?
Explain the importance of ‘Selectable marker’, with the help of a suitable example.
The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of ______.
Plasmids are suitable vectors for gene cloning because these ______.
What modification is done on the Ti plasmid of Agrobacterium tumefaciens to convert it into a cloning vector?
The following diagram showing restriction sites in E. coli cloning vector pBR322. Find the role of ‘X’ and ‘Y’ genes:
What is the basic biological nature of plasmids when used as cloning vectors?
Which of the following describes the function of a selectable marker in a cloning vector?
Which of the following serves as an example of selectable markers commonly found in plasmid vectors like pBR322?
