With respect to $DNA$ fragmentation:
Statement $A$: Gel electrophoresis and elution are two important processes.
Statement $B$: After staining with ethidium bromide,it has to be exposed to $UV$ light.

  • A
    Only $A$ is correct.
  • B
    Both $A$ and $B$ are correct statements.
  • C
    Only $B$ is correct.
  • D
    Only $A$ is correct and $B$ is not correct.

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Similar Questions

The technique used to make numerous copies of a specific segment of $DNA$ quickly and accurately is

Explain the method for the separation and isolation of $DNA$ fragments.

Choose the correct statement:
$P -$ Endonucleases cut the $DNA$ at a specific site inside the $DNA$.
$Q -$ $A$ stirred-tank reactor is usually square in shape.
$R -$ In order to force bacteria to take up the plasmid,the bacterial cells must first be made 'competent' to take up $DNA$ by treating them with a divalent cation like $Ca^{2+}$.

In a mixture,$DNA$ fragments are separated by

Select the correct option to make a bacterial cell competent to take up $DNA$.

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