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1 toradh

  1. SCIENCE|natural and applied sciences|life sciences|biology

    #677048

    IATE #1067843
    ruaimniú Gram Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    gram stain | gram staining
    en
    Sainmhíniú "method of staining used to distinguish and classify bacterial species into two large groups by coloring these cells red (gram-negative) or violet (gram-positive)" Tagairt "COM-Terminology Coordination, based on: Monica Z. Bruckner, 'Gram Staining' (11.2.2020), Carleton College"
    Nóta Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with. Alternatively, Gram negative bacteria stain red, which is attributed to a thinner peptidoglycan wall, which does not retain the crystal violet during the decoloring process.