Discover the secrets of cellular membrane transport with our comprehensive guide! Learn about Type 1 Ions, Type 2 Large Polar Molecules, Type 3 Small Polar Molecules, and Type 4 Small Nonpolar Molecules. Understand how each molecule type interacts with the cell membrane, from hydrophilic tails to hydrophobic barriers. Dive into facilitated diffusion and active transport mechanisms, including the role of embedded proteins in moving molecules across membranes. Explore membrane functions, s…