Chemistry: The Central Science (13th Edition)

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 1084: 24.6b

Answer

(iv)

Work Step by Step

An amino acid is a molecule containing an amine group,—NH$_2$,and a carboxylic acid group, —COOH. So in (iv) option we can easily say that it is an amino acid with carboxylic acid on the right end of the molecule.
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