Concentration gradient - A difference in the concentration of solutes across a space, cholesterol - A lipid that provides structure to the membrane by squishing the phospholipids together, glycoprotein - A molecule composed of a carbohydrate chain attached to a peripheral protein on the exterior of the membrane, membrane carbohydrate - A molecule on the exterior of the membrane that provides identification and communication for the cell, peripheral protein - A polar protein that remains with the phospholipid heads and does not extend into the tails, integral protein - A protein that extends all the way through the membrane, often producing channels, passive transport - A type of transport that does NOT require additional energy. Diffusion and osmosis are examples, facilitated diffusion - Passive diffusion across a membrane with the help of proteins, selective permeability - The characteristic of allowing some materials to pass through, but not others, dynamic equilibrium - The continuous movement of molecules across a space resulting in no net change in concentration, fluid mosaic model - The description of a membrane as flexible and composed of a variety of other molecules, kinetic energy - possessed by objects in motion, phospholipid - The main structural component of a plasma membrane, diffusion - The passive process of moving a substance from an area of high concentration to an area of low concentration, homeostasis - Perfect conditions where cells have exactly what they need for optimal function,

Plasma Membrane Vocabulary Practice

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