Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 37 - Transport in Plants - Review Questions - Understand - Page 773: 1

Answer

A.

Work Step by Step

B.-D. are all wrong since they rely on existing gradients to drive transports, using passive mechanisms to move materials.
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