samples were exposed to radioactive thymidine at intervals , deoxyribonucleic acid was extracted , and the rate of marker replication was determined by deoxyribonucleic acid-deoxyribonucleic acid hybridization to filters containing mu-1 , lambda , and e. coli deoxyribonucleic acid .
C0012854
deoxyribonucleic
C0598312
replication