SERVA DNA Standard 100 Bp ladder extended, lyophilized The SERVA DNA Standard 100 bp ladder extended contains 17 fragments ranging from 100 bp to 5000 bp:100, 150, 200, 300, 400, 500 (2x), 600, 700, 800, 900, 1000, 1500, 2000, 2500, 3000, 4000 and 5000 bp.Ideal for the analysis of DNA fragments gener