Differentiate between a primary and a secondary immune response. Which is more rapid and why?
Ch. 5: The Working Cell I. Membrane Structure and Function A. Membranes are Fluid Mosaics of Lipids and Proteins with many Functions 1. A membrane’s structure is made of diverse protein molecules suspended in a fluid phospholipid bilayer 2. Selective Permeability allows some substances to cross more easily than others B. The Spontaneous Formation of Membranes was a Critical Step in the Origin of Life 1. Phospholipids could spontaneously selfassemble into simple membranes 2. A membrane can enclose a solution that is different in composition from its surroundings 3. A membrane th