This allows us to characterize these two granule populations with regard to their content of membrane proteins , which become incorporated into the plasma membrane during exocytosis .
this allows us to characterize these two granule populations with regard to their content of membrane proteins , which become incorporated into the plasma membrane during exocytosis .
O O O O O O O B-cell_component I-cell_component O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O B-cell_component I-cell_component O B-other_name O