The given compounds are to be labelled as a lipid, a carbohydrate or an amino acid. Concept Introduction: Carbohydrates are polyhydroxy aldehydes , or ketones or their derivatives, which can be categorized 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. Polysaccharides are long chains of monosaccharide units. They are also called complex carbohydrates. Amino acids are the repeating structural units in a protein molecule. They consist of an amino group and a carboxylic acid group, which is bonded to a central carbon atom. Carbon, hydrogen, oxygen, and nitrogen are the key elements of an amino acid. Lipids are cellular components that are insoluble in water. They comprise fats, oils, fatty acids, steroids and certain vitamins. Fats and oils are considered triglycerides that have three long hydrocarbon chains.

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Chapter 22, Problem 15PE

Interpretation Introduction

Interpretation:

The given compounds are to be labelled as a lipid, a carbohydrate or an amino acid.

Concept Introduction:

Carbohydrates are polyhydroxy aldehydes, or ketones or their derivatives, which can be categorized 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.

Polysaccharides are long chains of monosaccharide units. They are also called complex carbohydrates.

Amino acids are the repeating structural units in a protein molecule. They consist of an amino group and a carboxylic acid group, which is bonded to a central carbon atom. Carbon, hydrogen, oxygen, and nitrogen are the key elements of an amino acid.

Lipids are cellular components that are insoluble in water. They comprise fats, oils, fatty acids, steroids and certain vitamins.

Fats and oils are considered triglycerides that have three long hydrocarbon chains.

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