title: Circularization of repetitive DNA from "Pisum sativum".
mesh_terms: D001483:Base Sequence; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D002875:Chromosomes / Q000378:metabolism; D003500:Cyclization; D004247:DNA / Q000378:metabolism*; D004270:DNA, Circular / Q000378:metabolism; D008854:Microscopy, Electron; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D010944:Plants / Q000378:metabolism*
chemical_list: D004270:DNA, Circular; D004247:DNA