Electrophoresis is a commonly used laboratory technique for the identification, quantification and purification of nucleic acid fragments. The sample is loaded into a hole in the agarose or acrylamide gel and an electric field is applied to move the negatively charged nucleic acid towards the positive pole. Shorter DNA fragments migrate faster, while the longest fragments are closest to the starting point, allowing separation based on the size of the DNA fragments. MonTrack? nucleic acid electrophoresis products includ: nucleic acid electrophoresis related RTU instant granules, high purity agarose, bio-safe nucleic acid dyes, and DNA ladders with different molecular weights.