Which of the following statements is true regarding plasmids?

  • A
    They are found in viruses.
  • B
    They contain genes for vital life processes.
  • C
    They are a part of the chromosomal $DNA$.
  • D
    They are widely used in genetic engineering.

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Similar Questions

$ECORI$ cuts the $DNA$ between bases $G$ and $A$ only when the sequence ............. is present in the $DNA$.

Polyethylene glycol method is used for

What is the total number of nucleotides in the recognition sequence for $EcoR\,I$?

Difficult
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$EcoRI$ derives from ..........

Match the enzymes in Column-$I$ with their respective functions in Column-$II$.
Column-$I$ Column-$II$
$P$. Restriction endonuclease $I$. Synthesizes $DNA$ copies
$Q$. $DNA$ polymerase $II$. Cleaves $DNA$ molecules
$R$. $DNA$ ligase $III$. Joins $DNA$ molecules

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