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  • Articles: DFG German National Licenses  (7)
  • 2000-2004
  • 1970-1974  (5)
  • 1965-1969  (2)
  • 1950-1954
  • 1920-1924
  • 1974  (5)
  • 1969  (2)
Source
  • Articles: DFG German National Licenses  (7)
Material
Years
  • 2000-2004
  • 1970-1974  (5)
  • 1965-1969  (2)
  • 1950-1954
  • 1920-1924
Year
  • 1
    Electronic Resource
    Electronic Resource
    Modifications to Cape ventilators (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 29 (1974), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1974.tb00692.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    A reply (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 29 (1974), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1974.tb00694.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The relationship between DNA value and chromosome volume in the coleopteran genus Dermestes (1969)
    Springer
    Chromosoma 27 (1969), S. 130-144 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract DNA values and chromosome volumes were determined for six species of the coleopteran genus Dermestes which have very similar karyotypes. Large differences in DNA value occur which give no indication of a geometric series. DNA value is approximately proportional to chromosome volume, indicating that the DNA differences lie in the chromosomes. Evidence from the variation in volume of the sex chromosomes, along with the DNA values, cannot be interpreted in terms of a chromosome model with a variable number of strands. DNA values are often at variance with the taxonomic grouping of species within the genus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326140
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    DNA values in somatic tissues of Dermestes (Dermestidae: Coleoptera) (1969)
    Springer
    Chromosoma 28 (1969), S. 445-456 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The distribution of DNA values in some somatic tissues of seven Dermestes species has been investigated. In all cases the DNA values are distributed as members of a doubling series. Distributions are found to be similar between species and sexes for the same tissue but different between tissues in the same species. Species DNA values derived from somatic tissues agree with DNA values previously determined for spermatids. These data are discussed in relation to the range of species DNA values (2.7 x) and the process of differentiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00284260
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    DNA replication and RNA transcription of euchromatic and heterochromatic chromosome regions during grasshopper meiosis (1974)
    Springer
    Chromosoma 45 (1974), S. 43-62 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The sequence of chromosome replication and the extent of RNA transcription were determined for pre-meiotic S-phase and first meiotic prophase in males of Myrmeleotettix maculatus and Chorthippus parallelus. Some heterochromatic chromosome segments are replicated early in S-phase while others are replicated late. In general, heavily condensed heterochromatic regions of the chromosomes show little or no RNA transcription as defined by 3H-uridine incorporation. Extra (i.e. in excess of 2) M4 autosomes in Ch. parallelus are slightly more condensed (heterochromatic) than their two homologues and this change in coiling behaviour is paralleled by a reduction in the rate of transcription and a change in the time of its replication, more of the DNA being synthesised at the end of S-phase. These findings are discussed in relation to the definition of heterochromatin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00283829
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Variation in chiasma frequency during tulip anther development (1974)
    Springer
    Chromosoma 46 (1974), S. 173-179 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract In tulip anthers meiosis begins first in the pollen mother cells next to the point of entry of the vascular bundle at the base. It then proceeds in a wave to the free end of the anther. The first cells to pass through meiosis have the lowest chiasma frequency and cells with a lower cell chiasma frequency have a lower total bivalent length. It is suggested that some factor which passes through the vascular bundle may cause the developmental variations in chiasma frequency possibly by first altering chromosome length (Summary see p. 179.)
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00332515
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Kohlendioxid als Wasserstoffacceptor bei der Dehydrierung von Alkanen (1974)
    Springer
    Colloid & polymer science 252 (1974), S. 339-339 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01551165
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    Paper (German National Licenses)
    Fulltext
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