Question

Which of the given statements is correct in the context of observing DNA separated by agarose gel electrophoresis ?
A. DNA can be seen in visible light
B. DNA can be seen without staining in visible light
C. Ethidium bromide stained DNA can be seen in visible light
D. Ethidium bromide stained DNA can be seen under exposure to UV light

Answer 1

Correct Answer - d
these DNA fragments according to their size and can be seen only after staining with a compound called ethidium bromide followed by ultraviolet radiation exposure.