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  • Beijing Man site  (1)
  • Electron transport  (1)
  • Evolution  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Electrons generated by photosystem II are utilized by an oxidase in the absence of photosystem I in the cyanobacterium Synechocystis sp. PCC 6803
    Amsterdam : Elsevier
    FEBS Letters 337 (1994), S. 103-108 
    Details
    ISSN: 0014-5793
    Schlagwort(e): Electron transport ; KCN-sensitive oxidase ; Photosynthesis ; Plastoquinone ; Respiration ; Thylakoid membrane
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(94)80638-1
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Nicotiana chloroplast genome III. Chloroplast DNA evolution (1982)
    Springer
    Theoretical and applied genetics 61 (1982), S. 73-79 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Nicotiana ; Chloroplast DNA ; Restriction fragments ; Deletion ; Evolution
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Nicotiana chloroplast genomes exhibit a high degree of diversity and a general similarity as revealed by restriction enzyme analysis. This property can be measured accurately by restriction enzymes which generate over 20 fragments. However, the restriction enzymes which generate a small number (about 10) of fragments are extremely useful not only in constructing the restriction maps but also in establishing the sequence of ct-DNA evolution. By using a single enzyme, Sma I, a elimination and sequential gain of its recognition sites during the course of ct-DNA evolution is clearly demonstrated. Thus, a sequence of ct-DNA evolution for many Nicotiana species is formulated. The observed changes are all clustered in one region to form a “hot spot” in the circular molecule of ct-DNA. The mechanisms involved for such alterations are mostly point mutations but inversion and deficiency are also indicated. Since there is a close correlation between the ct-DNA evolution and speciation in Nicotiana a high degree of cooperation and coordination betwen organellar and nuclear genomes is evident.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00261515
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  • 3
    Digitale Medien
    Digitale Medien
    Restudy of the upper age limit of Beijing Man site (1993)
    Springer
    International journal of anthropology 8 (1993), S. 95-98 
    Details
    ISSN: 1824-3096
    Schlagwort(e): Beijing Man site ; stalagmitic flowstone calcite ; uranium-series dating
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The chronological position of Beijing Man site was restudied by U-series dating of two calcite samples taken from a stalagmitic flowstone layer intercalated in 1–2 layers. Based on the weighted mean of three measurements performed on the purer one, the upper age limit of this site be 421 −54 +110 ka B.P., much greater than former evaluation of 230 ka based on U-series dating of fossil bones. The reliability of the obtained results was discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02447617
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