No abstract available
MeSH terms
-
Centrifugation, Density Gradient
-
DNA / metabolism*
-
DNA, Bacterial / metabolism
-
Escherichia coli
-
Macromolecular Substances
-
Models, Chemical
-
Models, Structural
-
Nucleic Acid Denaturation
-
Plant Development
-
Plants / metabolism*
-
Seeds / metabolism
-
Thymidine / metabolism
-
Tritium
-
Ultrasonics
Substances
-
DNA, Bacterial
-
Macromolecular Substances
-
Tritium
-
DNA
-
Thymidine