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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Protoplasma 102 (1980), S. 315-321 
    ISSN: 1615-6102
    Keywords: Avena sativa ; Etioplasts ; Membrane geometry ; Phototransformation ; Prolamellar bodies ; Thylakoids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary When etioplasts are exposed to light, the branched tubular lattice of the prolamellar body becomes the large flat discs of the primary lamellae. We show that in spite of the very different apparent morphology of these two membranous structures, their membranes have similar average curvature and inside-outside surface areas. This implies that the packing or molecular organization of the lipids and proteins can be similar in the two structures, and that consequently the transformation does not require much high energy“flip-flop” of membrane components from one side to the other. We also discuss the relative physiological stability of the two structures.
    Type of Medium: Electronic Resource
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