TY - GEN AU - Freifelder,D AU - Meselson,M TI - Topological relationship of prophage lambda to the bacterial chromosome in lysogenic cells SN - 0027-8424 PY - 1970///0327 KW - Centrifugation, Density Gradient KW - Chromosomes, Bacterial KW - Coliphages KW - DNA, Viral KW - radiation effects KW - Escherichia coli KW - Lysogeny KW - Models, Biological KW - Radiation Genetics KW - Sex Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1073/pnas.65.1.200 ER -