Answer
C
Work Step by Step
Lignin is an organic polymer that offers structural support in vascular plants. Lignin is found in the cell walls of wood and bark, as well as in xylem tracheids.
Biological Science (6th Edition)
by Freeman, Scott; Quillin, Kim; Allison, Lizabeth; Black, Michael; Taylor, Emily; Podgorski, Greg; Carmichael Jeff
Published by
Benjamin Cummings
ISBN 10:
0321976495
ISBN 13:
978-0-32197-649-9
Chapter 28 - Green Algae and Land Plants - Review - Page 588: 1
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