Describe how the phospholipids are arranged in the cell membrane. How do membrane phospholipids interact with water? Discuss why the plasma membrane must be a bilayer. Why can nonpolar molecules freely cross the cell membrane? Why can't small hydrophilic molecules cross the cell membrane? D...
This type of junction composes most of the skin and can also be found in the epithelial tissue which lines internal organs and cavities. Gap Junctions are channels between adjacent cells that permeate the transport of ions, water, nutrients,...