Chapter 7.3 & 7.4 Study Guide Answers
Chapter 7.3 & 7.4 Study Guide Answers
Chapter 7.3 & 7.4 Study Guide Answers
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Name Class DateActive TransportFacilitated diffusion takes place when a substance diffuses across the cell membrane througha protein channel. Active transport takes place when the cell uses energy to carry a substanceacross the cell membrane against a concentration difference.Follow the directions.1. Label each diagram as either facilitated diffusion or active transport.facilitated diffusionGlucose moleculesactive transportMolecule tobe carriedEnergyMoleculebeing carriedAnswer the questions. Circle the correct answer.2. Which process can move molecules from a lower concentration solution on one side ofthe membrane to a higher concentration solution on the other side?active transportfacilitated diffusion3. Which process does not require energy?active transportfacilitated diffusion4. What does the word facilitated mean in facilitated diffusion ?hinderedhelpedLesson <strong>7.3</strong> • Workbook B • Copyright © by Pearson Education, Inc., or its affiliates. All rights reserved.103