Which of the following is used to stain an agarose gel to visualise DNA fragments?

Which of the following compound is used in visualisation of DNA fragments in gel electrophoresis?

Which of the following compound is used in visualisation of DNA fragments in gel electrophoresis?

How does one visulaise DNA on an agarose gel?

During agarose gel electrophoresis , DNA moves

How does one visualize DNA on an agarose gel?

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

When of the following steps should be performed by a preson in order to visualise the bands of DNA fragments obtained from gel electrophoresis ?