Biology (11th Edition)

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

Chapter 37 - Transport in Plants - Figure 37.7 - Inquiry Questions: 2

Answer

This would not always be the best way to move minerals into the plant since it provides little control over what minerals enter the root is the transmembrane/apoplastic route, since specific proteins in the membrane can control the identity of what enters the cell.

Work Step by Step

Here the issue is what enters the root dissolved in water. Many things in the soil are not needed or are toxic, so the root needs to choose what can enter it.
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