Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 2 - Chemistry Comes Alive - Review Questions - Page 59: 20

Answer

(b) an amino acid

Work Step by Step

All amino acids include an amine group and an organic acid group, allowing them to act as either an acid or a base. Proteins are composed of many amino acids that are joined together by peptide bonds. Because there are no peptide bonds in the described molecule, it cannot be a protein. Monosaccharides and fats are composed of very different molecular groups and have very different structures from the one described in the question.
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