fractions 1b and 4 were the richest in nucleic acids ( ribonucleic acid , 11.4 and 9.4 % , respectively ; deoxyribonucleic acid , 5.1 and 4.8 % , respectively ) , whereas fraction 1b had the highest protein contents ( 74.6 % ) .
C0028606
nucleic acids
C0012854
deoxyribonucleic acid