Isolation of double-helical regions rich in guanine-cytosine base pairing from bacteriophage fl DNA.
D002499:Centrifugation, Density Gradient; D003090:Coliphages; D003597:Cytosine Nucleotides / Q000032:analysis; D003851:Deoxyribonucleases
D003597:Cytosine Nucleotides; D003851:Deoxyribonucleases