Campbell Biology (11th Edition)

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

Chapter 16 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 333: 4



Work Step by Step

B. gives the opposite of the correct direction, and C. is simply untrue. A. is wrong since progress is away from one fork and towards another.
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