Perfect Plus™ Molecular Weight Quatitative DNA ladder is ready to use DNA ladder for sizing small-to-large DNA fragments. Ideal for sizing linear double-stranded DNA during agarose gel electrophoresis. Consists of 8 DNA fragments of the following sizes: 100, 250, 500, 750, 1000, 1500, 2000, and 5000 bp. All bands are approximately of equal intensity. Supplied in ready-to-load buffers containing tracking dyes. No preparation before loading required.