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  • 1975-1979  (2)
  • 1970-1974
  • Pisum  (1)
  • Polymer and Materials Science  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Development of the quiescent center in maturing embryonic radicles of pea (Pisum sativum L. cv. Alaska) (1977)
    Springer
    Planta 135 (1977), S. 233-240 
    Details
    ISSN: 1432-2048
    Keywords: Cell cycle ; DNA synthesis ; Embryo ; Pisum ; Quiescent center ; Root (radicle)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Maturing embryos of pea (Pisum sativum L. cv. Alaska) were treated with an aqueous solution of tritiated thymidine for 1 h, sectioned, and processed for autoradiography. An analysis of the distribution of labelled nuclei and mitotic figures demonstrated the presence of a quiescent center (QC) in the radicles of developing embryos. The QC developed in the radicle during the growth of the embryo. Immature radicles that did not contain a well-formed zone of root-cap initials did not show a QC. In the latter stages of seed ripening, the pattern of arrest of DNA synthesis and mitosis was tissue-specific. Cells within the QC remained inactive. The region lacking labelled nuclei and mitotic figures progressively expanded to include the root cap initials and then the provascular cylinder. Mitosis was arrested before DNA synthesis in the embryonic cortex. Cells within the QC synthesized DNA during the first stages of seed germination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384895
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    The heat of dehydration of alumina trihydrate (1978)
    New York, NY [u.a.] : Wiley-Blackwell
    Fire and Materials 2 (1978), S. 37-38 
    Details
    ISSN: 0308-0501
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fam.810020110
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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