Campbell Biology (11th Edition)

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

Chapter 18 - Test Your Understanding - Level 3 - Synthesis/Evaluation - Page 395: 11


a) red, blue, purple b) #4 c) Nerve: orange, blue, green, black Muscle: red, black, purple, blue

Work Step by Step

To get this answer, the most important idea is that all proteins for interacting with enhancers must be present for expression. Look for all x's or all dots to see which ones are needed or will be expressed in a) and b). For c), look for all of the elements present in the genes listed for each tissue.
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