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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 16, Problem 71E
Textbook Problem
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Classify each of the following as a saccharide, a disaccharide, or an amino acid:

Chapter 16, Problem 71E, Classify each of the following as a saccharide, a disaccharide, or an amino acid: , example  1

Chapter 16, Problem 71E, Classify each of the following as a saccharide, a disaccharide, or an amino acid: , example  2

Interpretation Introduction

Interpretation:

Each of the given molecules are to be classified as a saccharide, disaccharide or an amino acid.

Concept Introduction:

Carbohydrates are polyhydroxy aldehydes or ketones, or their derivatives. A carbohydrate can be identified by the presence of the functional groups, C=O and OH along with its chain and a CH2OH group.

Carbohydrates can be classified as monosaccharides, disaccharides and polysaccharides.

Monosaccharides are composed of a single sugar unit.

Disaccharides are double-ringed structures in which two monosaccharide units are linked together.

Amino acids are the repeating structural units in a protein molecule. Amino acids consist of the amino group and the carboxylic acid group bonded to a central carbon atom. The structure of an amino acid can be represented as follows:

              H                   |NH2  C  COOH               |              R

Explanation of Solution

a)

The given organic molecule contains an amino group and a carboxylic acid group, which is attached to a central carbon atom. So, it fulfils the criterion of an amino acid.

Hence, it is an amino acid.

b)

The given molecule contains the OH functional group and CH2OH group. The molecule consists of a single sugar unit. So, it fulfills the criterion of a saccharide molecule

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Chapter 16 Solutions

Chemistry In Focus
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