Separates molecules based on size. Great for checking DNA after a Restriction Digest. This protocol is for a 1.2% agarose gel, sufficient for resolving DNA 400bp to 7kb (conservatively). The gel electrophoresis system is a 7.5cm x 10cm gel bed area with approximately 15cm electrode distance. The minimum volume required for a 7.5cm x 10cm x 0.5cm gel is 37.5mL. The maximum gel height for 50mL is 0.67cm.