Answer
C
Work Step by Step
The light-sensing cells at the tip of a plant release auxins to signal the rest of the plant. The shoot bends toward the light in response to the auxins. This happens when the cells on the shady side elongate more.
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 37 - Plant Sensory Systems, Signals, and Responses - Review - Page 791: 1
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