Page 2 - Microsoft Word - 4 Cell Membranes and transport.docx
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extracellular

        •  may be found in inner layer, outer layer or spanning the   •  extracellular
           whole membrane (these are transmembrane proteins)         peripheral
        •  helps in movement in and out of cell                      proteins –
                                                                      communicatio
                                                                      n, receptors,
                                                                      and
                                                                      recognition
                                                                      proteins

                                                                   •  intracellular
                                                                      peripheral
                                                                      proteins-
                                                                      structural
                                                                      support,
                                                                      attached to the
                                                                      cytoskeleton
                                                                      of the cell

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