Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 37 - Transport in Plants - Review Questions - Apply: 5

Answer

B.

Work Step by Step

A. is wrong since water could still reach the xylem by either symplastic or apoplastic routes--the Casparian strip is a block on the apoplastic / transmembrane route. C. is wrong since this direction of movement just does not occur, and D. is incorrect since it states what is already impossible due to the hydrophobic nature of the Casparian strip.
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