Seeley's Anatomy and Physiology Chapter 3 | Questions and Answers with complete solution

plasma membrane - forms the outer boundary of the cell, through which the cell interacts with its external environment nucleus - directs cell activities, most of which take place in the cytoplasm; usually located near the center of the cell organelle - specialized structure that performs a specific function,aka little organs. The number and type of these is related to the specific structure and function of a cell intracellular - substances inside the cell extracellular - substances outside the cell membrane potential - charge difference across the plasma membrane resulting from the regulation of ion movement glycocalyx - collection of glycolipids, glycoproteins and carbohydrates on the outer surface of the plasma membrane phospholipids and cholesterol - predominant lipids of the plasma membrane lipid bilayer - double layer of phospholipid molecules hydrophilic - "water-loving" hydrophobic - "water-fearing"