Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 18 - 18.4 - Concept Check - Page 386: 2

Answer

A signal from an embryonic cell can reach a nearby cell and bind to a receptor. This then turns on cell signalling which, among other things, leads to changes in gene expression.

Work Step by Step

Review Ch. 11 on cell signalling, paying special attention to receptors which bind ligands/signals outside the cell and transmit its information inside the cell.
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