Answer
B.
Work Step by Step
A. is wrong since phloem transport is symplastic, and C. can be excluded since it describes xylem transport, not phloem transport. D. is wrong because source-to-sink movement involves bulk flow, not diffusion.
Campbell Biology (11th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0-13409-341-0
ISBN 13:
978-0-13409-341-3
Chapter 36 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 802: 3
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