The component of the plasma membrane that acts as the selective barrier for diffusion is the integral proteins.

Question

Quizplus · Accepted Answer

The component of the plasma membrane that acts as the selective barrier for diffusion is the phospholipid bilayer, specifically the hydrophobic tails which prevent the passage of hydrophilic molecules. Integral proteins serve a variety of functions such as transport, communication, and enzymatic activity, but they do not act as the main selective barrier for diffusion.

The Component of the Plasma Membrane That Acts as the Selective