What do membranes do? Act as a barrier and Membranes are active Receive information D ynamic Import/export molecules Move/ expand 1 receivin information 3 capacity for movement and expansion 2 import and export of molecules9 What do membranes do? ➢ Act as a barrier AND… ➢ Receive information ➢ Import/export molecules ➢ Move/expand Membranes are Active Dynamic !