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Using the block diagram in Problem 19-89 for a sphingoglycolipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers, a. which building blocks are sphingosine residues? b. which building blocks are mono- or oligosaccharide residues? c. which linkages are glycosidic linkages? d. which linkages involve both sphingosine and fatty acid residues?

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General, Organic, and Biological C...

7th Edition
H. Stephen Stoker
Publisher: Cengage Learning
ISBN: 9781285853918

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Chapter
Section
BuyFindarrow_forward

General, Organic, and Biological C...

7th Edition
H. Stephen Stoker
Publisher: Cengage Learning
ISBN: 9781285853918
Chapter 19, Problem 19.90EP
Textbook Problem
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Using the block diagram in Problem 19-89 for a sphingoglycolipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers,

  1. a. which building blocks are sphingosine residues?
  2. b. which building blocks are mono- or oligosaccharide residues?
  3. c. which linkages are glycosidic linkages?
  4. d. which linkages involve both sphingosine and fatty acid residues?

(a)

Interpretation Introduction

Interpretation: The building blocks which represents the sphingosine residues in the given block diagram of sphingoglycolipid have to be predicted.

Concept introduction: The lipid that is composed of one fatty acid and one carbohydrate unit which is joined to a sphingosine molecule is known as sphingoglycolipid. The fatty acid of sphingoglycolipid is also joined to the sphingosine molecule with the help of amide linkage. The carbohydrate unit joined to a sphingosine molecule with the help of glycosidic linkage.

Explanation of Solution

The given block diagram of sphingoglycolipid is shown as,

Figure 1

In the above...

(b)

Interpretation Introduction

Interpretation: The building blocks which represents the mono- or oligosaccharide residues in the given block diagram of sphingoglycolipid have to be predicted.

Concept introduction: The lipid that is composed of one fatty acid and one carbohydrate unit which is joined to a sphingosine molecule is known as sphingoglycolipid. The fatty acid of sphingoglycolipid is also joined to the sphingosine molecule with the help of amide linkage. The carbohydrate unit joined to a sphingosine molecule with the help of glycosidic linkage.

(c)

Interpretation Introduction

Interpretation: The linkage which represents the glycosidic linkage in the given block diagram of sphingoglycolipid has to be predicted.

Concept introduction: The lipid that is composed of one fatty acid and one carbohydrate unit which is joined to a sphingosine molecule is known as sphingoglycolipid. The fatty acid of sphingoglycolipid is also joined to the sphingosine molecule with the help of amide linkage. The carbohydrate unit joined to a sphingosine molecule with the help of glycosidic linkage.

(d)

Interpretation Introduction

Interpretation: The linkages which involve both sphingosine and fatty acid residues in the given block diagram of sphingoglycolipid have to be predicted.

Concept introduction: The lipid that is composed of one fatty acid and one carbohydrate unit which is joined to a sphingosine molecule is known as sphingoglycolipid. The fatty acid of sphingoglycolipid is also joined to the sphingosine molecule with the help of amide linkage. The carbohydrate unit joined to a sphingosine molecule with the help of glycosidic linkage.

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Chapter 19 Solutions

General, Organic, and Biological Chemistry
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