there was also a high positive correlation between the cellular polyamine ( spermidine and spermine ) and nucleic acid content ( spermidine : dna equals 0.916 , spermine : dna equals 0.947 , spermidine : rna equals 0.907 , and spermine : rna equals 0.881 ) .
C0028606
nucleic acid
C0012854
dna