Testbank Chapter 3. The Cellular Level of Organization

. What are the three main parts of a eukaryotic cell? a. Plasma membrane, organelles, cytoplasm b. Plasma membrane, organelles, nucleus c. Plasma membrane, cytoplasm, organelles d. Plasma membrane, cytoplasm, nucleus e. Plasma membrane, cytosol, organelles Ans: D Difficulty: medium Feedback: 3.1 Essay 2. Briefly describe the fluid mosaic model. Ans: The fluid mosaic model represents the molecular arrangement of the plasma membrane as an ever moving sea of fluid lipids that contain a mosaic of many different proteins. Difficulty: medium Feedback: 3.2 Multiple Choice 3. Plasma membranes consist of what three components? a. Phospholipids, glycoproteins, water b. Proteins, cholesterol, fatty acids c. Cholesterol, fatty acids, glycolipids d. Proteins, phospholipids, cholesterol e. Water, proteins, fatty acids