Fundamentals of Biochemistry: Life at the Molecular Level 5th Edition

Published by Wiley
ISBN 10: 1118918401
ISBN 13: 978-1-11891-840-1

Chapter 4 - Amino Acids - Exercises - Page 95: 6



Work Step by Step

$N$ = $5!$ = $120$ The first residue can be one of the five, the second residue can be one of the four, the third residue can be one of the three, the fourth residue can be one of the two, and the fifth residue is the last one remaining. Thus, we know the value is equal to five factorial.
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