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DNA is a polar molecule because it has a negatively (-) charged phosphate group attached to the 5' end of the molecule and a negatively charge hydroxl group (OH) attached to t â¦ he 3' prime end of the molecule. Thus, it is a POLAR molecule which allows it to interact in an aqueous environment.NA is a polar molecule because it has a negatively (-) charged phosphate group attached to the 5' end of the molecule and a negatively charge hydroxl group (OH) attached to t â¦ he 3' prime end of the molecule.
These 10 facts about space will blow your mind. A polar molecule is a molecule that has a mostly positive charge on one side and a mostly negative charge on the other. This charge difference allows the positive end of the molecule to attract to the negative end of another.A hydrogen bond, a special attraction between some polar molecules, is another important characteristic. It is this bond that helps to make deoxyribonucleic acid (DNA)âs double helix possible.his charge difference allows the positive end of the molecule to attract to the negative end of another. A hydrogen bond, a special attraction between some polar molecules, is another important characteristic. It is this bond that helps to make deoxyribonucleic acid (DNA)âs double helix possible.