title: Electron microscopy of DNA from coliphage N4.
mesh_terms: D003090:Coliphages / Q000032:analysis*; D004267:DNA Viruses / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D006358:Hot Temperature; D008854:Microscopy, Electron; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009995:Osmosis
chemical_list: D004279:DNA, Viral