Page 137 - Engineering in Nature
P. 137

Peptidoglycan
                                                       Cell membrane   layer

                                                                         External
                                                  Cytoplasm              membrane
                                                                       Filament


                                                 Inner body




                                                                            Hook






                                               For movement, many bacteria possess a
                                               very complex system with microscopic
                                               hairs, as shown here in schematic form.



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