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STD 12 - 9. biotechnology principlas and process — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
The most important feature in a plasmid to be used as a vector is
  • ✓
    Origin of replication
  • B
    Presence of a selectable marker
  • C
    Presence of sites for restriction endonuclease
  • D
    Its size
✓

Answer

Correct option: A.
Origin of replication
a
The most important feature in a plasmid to be used as a vector is origin of replication $(Ori)$. Origin of replication is a specific sequence of $DNA$ bases which is responsible for initiating replication. A prokaryotic $DNA$ has a single origin of replication while eukaryotic $DNA$ may have more than one origin of replication

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