Multiple Choice
The growth-promoting substance that promotes stem elongation and bending toward light is produced primarily in ____.
A) root tips, traveling to the stem in the xylem
B) the center of the stem region where elongation or bending occurs
C) flowers and flower buds
D) the shoot tip
E) root tips, traveling to the stem in the phloem
Correct Answer:

Verified
Correct Answer:
Verified
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