How can DNA segment, separated by gel electrophoresis be visualised and isolated ?

How can DNA segments, separated by gel electrophoresis, be visualized and isolated?

How are the DNA fragments separated by gel electrophoresis visualized and separated for use in constructing recombinant DNA?

How are the DNA fragments separated through gel electrophoresis ex-tracted ?

How is DNA made visible in gel electrophoresis?

The DNA fragments can be separated using gel electrophoresis. Name the gel used in this technique.

In gel electrophoresis, the smallest DNA pieces travel

The DNA fragments can be separated using gel electrophoresis. Write the name of technique used to remove the DNA from the gel.

The DNA fragments separated on an agarose gel can be visualised after staining with ----

How is elusion of DNA done in gel-electrophoresis ?