Essential Cell Biology, 4th Edition

Published by Garland Science
ISBN 10: 0815344546
ISBN 13: 978-0-81534-454-4

Chapter 20 - Cell Communities: Tissues, Stem Cells, and Cancer - Questions - Page 726: Question 20-10

Answer

Cycilic amp, glutamic acid, and Ca2+ would spread from one cell to the next.

Work Step by Step

Cycilic amp, glutamic acid, and Ca2+ are small micromolecules whereas G proteins and mRNA are macromolecules. The phospholipids dissolve in the plasmadesmata because the plasma membranes of the nearby cells are continuous. As such, the traffic is not possible through the separate membranes.
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