DEOXYPENTOSE NUCLEIC ACIDS 



29 



TABLE 10 



SALMON SPERM DNA; PROPORTIONS 



(in moles of nitrogenous constituent per mole of P in hydrolysate) 



Constituent 



Mean 

 proportion 



Standard 

 error 



TABLE 11 



SALMON SPERM DNAl MOLAR RELATIONSHIPS 



Adenine to guanine 

 Thymine to cytosine 

 Adenine to thymine 

 Guanine to cytosine 

 Purines to pyrimidines 



P accounted for as percentage of P in hydrolysate 



Average number of gram-atoms N per mole constituent 



Atomic N : P ratio in DNA preparations 



TABLE 12 



WHEAT GERM DNA; INTACT PREPARATION AND ENZYMICALLY PRODUCED CORES 



(in moles of nitrogenous constituent per mole of P in hydrolysate) 



Constituent 



Intact 

 DNA 



19% 

 core 



8% 

 core 



