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What does reverse polarity in a DNA molecule mean?

scilearner
in Biology

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Ok I can see the 5 end is negative, is the 3 end positive due to OH. So in other strand this goes other way round. Is this what they mean when they say there is reverse polarity in a DNA molecule. Thanks!!

Edited by scilearner

Yes, the two strands have reverse polarity of the 5' Methyl and 3' Hydroxyl groups in that they proceed in the opposite direction on each strand.

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