Biology (11th Edition)

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

Chapter 45 - The Endocrine System - Review Questions - Synthesize: 2


Even the same second messengers can turn on different proteins in different cells.

Work Step by Step

To understand this, use an analogy: a theater and a subway. In a theater, flickering lights signal people to return to their seats as a performance continues. In a subway, it is a sign of trouble with the lights, and people react with fear and run for the exits rather than remain alone underground in the dark.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.