Protein transport specific, things like charged or large molecules. I. Passive vs. Active transport 1. K. Equilibrium 1. Equal concentrations of a substance across a membrane. No NET movement of substance.
Water also moves across the membrane to reach equilibrium.
L. Osmolarity 1. Related to molarity, but measures the number of particles. Important when looking at substances that ionize. If something ionizes it breaks into parts. NaCl is 1 part when dry 1 NaCl think of table salt.