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  • 1965-1969  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Chromosoma 26 (1969), S. 201-207 
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Es wird über Messungen des linearen Dichroismus in den Chromomerenscheiben der Riesenchromosomen von Chironomus thummi mit einem Mikrospektralphotometer für Messungen mit polarisiertem Licht berichtet. Die Meßfläche betrug etwa 2 μm im Durchmesser. Die Ergebnisse zeigen, daß eine einheitliche Orientierung der DNS in den Chromomerenscheiben nicht vorhanden ist. Die Ergebnisse werden im Zusammenhang mit den in der Literatur erhobenen Befunden über die Orientierung der DNS-Moleküle in den Chromomerenscheiben diskutiert.
    Notes: Abstract Measurements of linear dichroism in the chromomeric bands of giant chromosomes of Chironomus thummi are reported. The measurements were performed by means of a microspectrophotometer specially designed for measuring with polarized light. The diameter of the measuring area was about 2 μm. As was revealed by the results there exists no uniform orientation of the nucleic acid molecules within the chromomeric disks. The results are discussed in connection with the findings stated in literature on the orientation of the nucleic acid molecules in the chromomeric bands.
    Type of Medium: Electronic Resource
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