The structure for α -D-glucosamine has to be drawn. Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

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Answer 1

Question

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

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Answer 2

Question

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

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Answer 3

Question

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

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Answer 4

Question

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

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Answer 5

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

Answer 6

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

Answer 7

Chapter 18, Problem 18.113EP

(a)

Interpretation Introduction

Interpretation: The structure for α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group.

Answer 8

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

Answer 9

(b)

Interpretation Introduction

Interpretation: The structure for N-acetyl-α-D-glucosamine has to be drawn.

Concept introduction: In a monosaccharide, the replacement of one of the hydroxyl groups with an amino group results in the formation of an amino sugar. In naturally occurring amino sugars, the hydroxyl group of carbon 2 is replaced by an amino group. N-acetyl-α-D-glucosamine is the acetyl derivative of D-glucosamine.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 18.1 - In terms of mass percent, which of the following...Ch. 18.1 - Which of the following is the most abundant type...Ch. 18.2 - Which of the following statements concerning the...Ch. 18.2 - Prob. 2QQ Ch. 18.3 - Prob. 1QQ Ch. 18.3 - Prob. 2QQ Ch. 18.3 - Which of the following is not a possible value for...Ch. 18.3 - The complete hydrolysis of a polysaccharide...Ch. 18.4 - Prob. 1QQ Ch. 18.4 - Prob. 2QQ

Solution Summary: The author explains the structure of alpha -D-glucosamine, which is a naturally occurring amino sugar.

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Chapter 18 Solutions