Answer:
"Phospholipids in the lipid bilayer can either move rotationally, laterally in one bilayer, or undergo transverse movement between bilayers. Lateral movement is what provides the membrane with a fluid structure."
Source: Google
Explanation:
Phospholipids in the lipid bilayer can either move rotationally, laterally in one bilayer, or undergo transverse movement between bilayers. Lateral movement is what provides the membrane with a fluid structure.