physics explain the phenomenon of dna's movement in an

Electric Field

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DNA carries and overall negative charge, and moves in an electric field towards the positive eletrode.

               

IMAGE CREDITs: The Balance (left) & science in a can: tumblr (right)

Read on for applications of the magnetic field in the study of biophysics....

The study of physics, itself, need not be stressful. “Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.” R. Feyman