Exam 8: Carbohydrates

The structure below shows $\beta$ -D-gulopyranose. $The structure below shows \beta -D-gulopyranose. Which of the structures below represents a Fischer projection of D-gulose?$ Which of the structures below represents a Fischer projection of D-gulose?

(Multiple Choice)

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Question 41

This figure is used in questions . -Which structures shown in the figure above represent possible structures of glucose?

(Multiple Choice)

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Question 42

How many stereoisomers are possible for an aldopentose such as ribose?

(Multiple Choice)

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Question 43

Matching -The ______ sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen atom.

(Multiple Choice)

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Question 44

Starch is a mixture of

(Multiple Choice)

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Question 45

Matching -______ is a heteropolymer composed of D-glucoronate and N-acetyl-D-glucosamine that acts as shock absorber and lubricant.

(Multiple Choice)

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Question 46

This figure is used in questions . -Which structure shown in the figure above represents deoxyribose?

(Multiple Choice)

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Question 47

Which of the following polysaccharides cannot be digested by mammalian salivary, gastric, or pancreatic enzymes?

(Multiple Choice)

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Question 48

D-Allose is an aldohexose.Methylation of which hydroxyl group on $\beta$ -D-allopyranose prevents the molecule from mutarotating to $\alpha$ -D-allopyranose?

(Multiple Choice)

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Question 49

Matching -Bulky ring substituents preferentially occupy ______ positions in the chair conformation.

(Multiple Choice)

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Question 50

The transformation of a monosaccharide into its ______ occurs easily and does not require the assistance of a catalyst.

(Multiple Choice)

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Question 51

This figure is used in questions . -Which structure(s)shown in the figure above represent reducing sugar(s)?

(Multiple Choice)

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Question 52

This figure is used in questions . -Which of the carbon atoms shown in the figure above represent the anomeric carbon?

(Multiple Choice)

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Question 53

Which statement about N-linked glycosylation is correct?

(Multiple Choice)

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Question 54

The picture below shows a Fischer projection of D-glucose. $The picture below shows a Fischer projection of D-glucose. a.Is glucose and aldose or a ketose? b.What is the name of the molecule that is formed upon oxidation of the aldehyde to a carboxyl group? c.Draw a Fischer projection of D-galactose, which is an epimer of glucose with respect to the C4 position. d.Draw a Haworth projection of \beta -D-glucopyranose. e.What is the name of the linear polymer in which glucopyranose residues are linked to each other through \beta (1→4)glycosidic bonds.$ a.Is glucose and aldose or a ketose? b.What is the name of the molecule that is formed upon oxidation of the aldehyde to a carboxyl group? c.Draw a Fischer projection of D-galactose, which is an epimer of glucose with respect to the C4 position. d.Draw a Haworth projection of $\beta$ -D-glucopyranose. e.What is the name of the linear polymer in which glucopyranose residues are linked to each other through $\beta$ (1→4)glycosidic bonds.

(Essay)

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Question 55

How many stereoisomers are possible for a ketopentose such as ribulose?

(Multiple Choice)

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Question 56

This figure is used in questions -Which sugar shown in the figure above is the enantiomer of sugar A?

(Multiple Choice)

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Question 57

Matching -An example of a homopolysaccharide in liver and muscle is ______.

(Multiple Choice)

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Question 58

This figure is used in questions . -Which of the structures shown in the figure above is a glucopyranose?

(Multiple Choice)

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Question 59

This figure is used in questions . -The structures shown in the figure above are represented as

(Multiple Choice)

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Question 60

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Exam 8: Carbohydrates

The structure below shows β\betaβ -D-gulopyranose. Which of the structures below represents a Fischer projection of D-gulose?

This figure is used in questions . -Which structures shown in the figure above represent possible structures of glucose?

How many stereoisomers are possible for an aldopentose such as ribose?

Matching -The ______ sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen atom.

Starch is a mixture of

Matching -______ is a heteropolymer composed of D-glucoronate and N-acetyl-D-glucosamine that acts as shock absorber and lubricant.

This figure is used in questions . -Which structure shown in the figure above represents deoxyribose?

Which of the following polysaccharides cannot be digested by mammalian salivary, gastric, or pancreatic enzymes?

D-Allose is an aldohexose.Methylation of which hydroxyl group on β\betaβ -D-allopyranose prevents the molecule from mutarotating to α\alphaα -D-allopyranose?

Matching -Bulky ring substituents preferentially occupy ______ positions in the chair conformation.

The transformation of a monosaccharide into its ______ occurs easily and does not require the assistance of a catalyst.

This figure is used in questions . -Which structure(s)shown in the figure above represent reducing sugar(s)?

This figure is used in questions . -Which of the carbon atoms shown in the figure above represent the anomeric carbon?

Which statement about N-linked glycosylation is correct?

How many stereoisomers are possible for a ketopentose such as ribulose?

This figure is used in questions -Which sugar shown in the figure above is the enantiomer of sugar A?

Matching -An example of a homopolysaccharide in liver and muscle is ______.

This figure is used in questions . -Which of the structures shown in the figure above is a glucopyranose?

This figure is used in questions . -The structures shown in the figure above are represented as

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Glucose Catabolism

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

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The structure below shows $\beta$ -D-gulopyranose. $The structure below shows \beta -D-gulopyranose. Which of the structures below represents a Fischer projection of D-gulose?$ Which of the structures below represents a Fischer projection of D-gulose?

D-Allose is an aldohexose.Methylation of which hydroxyl group on $\beta$ -D-allopyranose prevents the molecule from mutarotating to $\alpha$ -D-allopyranose?