tfin2sha tfin2sha

02-06-2021
Medicine

contestada

Why is DNA attracted to the positive end of the electrophoresis rig?

Respuesta :

delilah0027 delilah0027

03-06-2021

DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.

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