Part 1: The Organization of Life Tutorials Chapter 1. How do you apply the scientific method? Chapter 2. How do molecules and atoms interact? Chapter 3. How do functional groups work? Chapter 4. How are cell structures chemically and functionally coordinated? Chapter 5. How are various membrane transport processes distinguished from one another?   Simulation How do scientists use random samples to test hypotheses? Copyright ©2002 Thomson Learning, Inc.