Biology (11th Edition)

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

Chapter 9 - Cell Communication - Review Questions - Synthesize: 2b


The greatest amount of signalling should occur in the crypts.

Work Step by Step

The signal, Netrin-1, accumulates in the crypts, so it should have the greatest effect there. It's normal effect is to promote growth, so the greatest growth should occur in the crypts.
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