Cell type Peptide level ±SEM N compared P
Novikoff hepatoma 95 18 3    
Rat liver 179 24 3    
Mouse liver 185 10 3    
All normal liver cells 177.5 9.8 6 1 and 4 0.0078
All normal cells 187.4 7.9 12    
All malignant cells 116.8 7.0 12 5 and 6 0.0001
Table 2: Level of active peptides released at pH 9.5 from DNA.