Campbell Biology (11th Edition)

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

Chapter 11 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 233: 3


B. Intracellular receptors are present only in target cells.

Work Step by Step

A is wrong since all cells contain these DNA sequences, and C is wrong since the signal is not broken down as part of the response. D can be eliminated this choice misses the critical part: receptors.
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