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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 58E
Textbook Problem
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Classify each molecule as a lipid, carbohydrate, or amino acid:

Chapter 16, Problem 58E, Classify each molecule as a lipid, carbohydrate, or amino acid: , example  1

Chapter 16, Problem 58E, Classify each molecule as a lipid, carbohydrate, or amino acid: , example  2

Chapter 16, Problem 58E, Classify each molecule as a lipid, carbohydrate, or amino acid: , example  3

Interpretation Introduction

Interpretation:

The given molecules are to be classified as lipids, carbohydrates or amino acids.

Concept Introduction:

Lipids are cellular components that are insoluble in water. They are comprised of fats, oils, fatty acids, steroids, and some vitamins.

Fats and oils are the triglycerides, which have three long hydrocarbon chains.

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

Amino acids are the repeating structural units in a protein molecule. Amino acids consist of the amino group and the carboxylic acid groupbonded 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 molecule contains three long unsaturated hydrocarbon chains linked to a glycerol molecule. It fulfills the criterion of unsaturated triglyceride.

Hence, it represents lipids, which play an important role in the biology of humans and other organisms.

b)

The given organic molecule represents a long chain of monosaccharide units. Each unit contains an oxygen atom in the ring and it also comprises OH a functional group and CH2OH group

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Chapter 16 Solutions

Chemistry In Focus
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