Hanocq, F Characterization of yolk DNA from Xenopus laevis oocytes ovulated in vitro. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America May 1972 - 1322-6 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.69.5.1322 doi Subjects--Topical Terms: Ambystoma--embryologyAnimalsCell Nucleus--analysisCentrifugation, Density GradientDNA--analysisDactinomycin--metabolismFemaleHistocytochemistryKidney--cytologyMicroscopy, ElectronMitochondria--analysisMolecular WeightNucleic Acid ConformationNucleic Acid DenaturationNucleic Acid RenaturationOvum--analysisProtein BindingTritiumUltracentrifugationXenopus--embryology