Q7 of 44 Page 75

In agarose gel electrophoresis, DNA molecules are separated on the basis of their:

Principle involved in gel electrophoresis:


When electric field is applied the DNA (negatively charged) start to move towards the anode. This helps the lighter or smaller fragments to travel at faster rate, hence they resolve according to the size.


Smallest fragment would be nearer to the anode plate side.

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