Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 24 - The Chemistry of Life: Organic and Biological Chemistry - Exercises - Page 1087: 24.59a

Answer

An amino group (NH2) attached to an alpha carbon containing the R group, which is then attached to a carboxylic acid group.

Work Step by Step

An alpha amino acid has its amino group only one carbon atom (the alpha carbon) away from the carboxylic acid group. In contrast, a beta amino acid has its amino group two carbon atoms away from the carboxylic acid group.

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