Identify the incorrect statement related to gel electrophoresis.
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DNA fragments can be visualised only after staining the DNA with a compound known as ethidium bromide followed by exposure to UV radiation. We cannot see pure DNA fragments in visible light and without staining.
The DNA fragments separate (resolve) according to their size through sieving effect provided by agarose gel.
DNA is a negatively charged molecule, hence it moves towards the positive electrode (anode).
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