◮ 2000bp DNA Ladder is a ready-to-use product and already contains 1x Loading Buffer. You can directly take an appropriate amount of Marker for electrophoresis according to experimental needs. BM5000 DNA Marker consists of 8 DNA bands, the DNA bands are: 100bp(50ng/5μl), 250bp(50ng/5μl), 500bp(50ng/5μl), 750bp(75ng/5μl), 1000bp(50ng/5μl) ), 2000bp(100ng/5μl), 3000bp(30ng/5μl), 5000bp(50ng/5μl).