title: PEA (Pisum sativum) cells arrested in G2 have nascent DNA with breaks between replicons and replication clusters.
mesh_terms: D002478:Cells, Cultured; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D008677:Metaphase; D018521:Plant Physiological Phenomena; D012093:Replicon; D013936:Thymidine / Q000378:metabolism
chemical_list: D004247:DNA; D013936:Thymidine