Description: 1% Tryptone, 0.5% Yeast Extract, 1.0% Sodium Chloride, 1.5% agar 25μg/ml ampicillin, 15μg/ml tetracycline. Application: For use with recombinant strains of E. coli containing plasmids with resistance genes to ampicillin and tetracycline such as pLS21, pUCD4, or the RK2 series of plasmids. Shipping Conditions: Ambient. Storage Conditions: Refrigerate.