Bovine Ribonuclease A Deoxyribonuclease and Protease FreeMolecular Biology Grade. A solution containing approximately 5 mg/ml in 50% glycerol. Prepared specifically for use in purifying DNA plasmids. Each lot is assayed for DNase and protease. Store at 2-8C or -20C.This material is sold for in-vitro use only in manufacturing and research and is not suitable for use in humans or animals. This material should be handled with general laboratory precaution.