IMAGE: THE FILAMENT COILS AROUND A MEMBRANE TUBE AND, UNDER GTP HYDROLYSIS, FORMS ACTIVE CROSS-BRIDGES THAT COLLECTIVELY CONSTRICT THE MEMBRANE. CREDIT: KANAZAWA UNIVERSITY Cells in the human body constantly receive substances from the outside via a process called endocytosis. One important endocytosis pathway involves the formation of a protrusion within the cell membrane, pointing to...
