Biology (11th Edition)

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

Chapter 38 - Plant Nutrition and Soils - Review Questions - Apply: 3

Answer

A.

Work Step by Step

Flavonoids (A.) are critical for starting root nodules, which provide legumes, such as peas, with nitrogen. B.-D. are, instead, part of making nitrogen available via nodulation.
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