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    Biology A-Level

    Fluid mosaic model

    What Fluid mosaic model means in Biology A-Level, as defined for AQA, OCR, Pearson Edexcel.

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    Reference: OCR

    Describes membranes as a phospholipid bilayer in which proteins are scattered like tiles in a mosaic and can move laterally, giving fluidity.
    OCR · Biological membranes (study guide)
    A phospholipid bilayer containing proteins, glycoproteins and glycolipids, held together by hydrophobic interactions.
    OCR · Biological membranes (study guide)
    The arrangement and any movement of phospholipids, proteins, glycoproteins and glycolipids in the membrane.
    AQA · Transport across cell membranes (study guide)
    The model describing the cell membrane as a fluid phospholipid bilayer with embedded proteins that can move laterally.
    Pearson Edexcel · Topic 2: Genes and Health (study guide)

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