Question

Phospholipid molecules in bilayers exhibit a variety of movements. Which of the following occurs least frequently?

a) Rotation
b) Flexion
c) Transverse diffusion
d) Lateral diffusion

Answer 1

Lateral diffusion occurs least frequently in phospholipid bilayers due to stable interactions between the hydrophobic tails of phospholipids.

Step-by-step explanation:

Lateral diffusion occurs least frequently in phospholipid bilayers. Lateral diffusion refers to the movement of phospholipid molecules within the same layer of the bilayer, parallel to the plane of the membrane. This type of movement is restricted because the hydrophobic tails of the phospholipids interact with each other and form stable interactions.