Question 1

Ribitol is a

Accepted Answer

A) sugar phosphate. 
B) deoxy sugar. 
C) amino sugar. 
D) sugar alcohol. 
A) sugar phosphate. 
B) deoxy sugar. 
C) amino sugar. 
D) sugar alcohol.

Question 2

Ribitol is a sugar alcohol that is a component of

Accepted Answer

A) vitamin C. 
B) RNA. 
C) FMN and FAD. 
D) NAD and NADH. 
E) sialic acid. 
A) vitamin C. 
B) RNA. 
C) FMN and FAD. 
D) NAD and NADH. 
E) sialic acid.

Question 3

The chemical name for table sugar is ________ and it is a ________.

Accepted Answer

A) lactose;monosaccharide 
B) lactose;disaccharide 
C) sucrose;monosaccharide 
D) sucrose;disaccharide 
A) lactose;monosaccharide 
B) lactose;disaccharide 
C) sucrose;monosaccharide 
D) sucrose;disaccharide

Question 4

A saccharide is a ________.

Accepted Answer

A) lipid 
B) carbohydrate 
C) nucleic acid 
D) protein 
A) lipid 
B) carbohydrate 
C) nucleic acid 
D) protein

Question 5

Heteroglycan chains may or may not be covalently bound to proteins in proteoglycans.

Accepted Answer

A) True 
 B)False

Question 6

Chitin is

Accepted Answer

A) found in insect and crustacean shells. 
B) found in fungi cell walls. 
C) composed of N-acetylglucosamine subunits. 
D) composed of linear fibrils like cellulose. 
E) All of the above. 
A) found in insect and crustacean shells. 
B) found in fungi cell walls. 
C) composed of N-acetylglucosamine subunits. 
D) composed of linear fibrils like cellulose. 
E) All of the above.

Question 7

Amylose differs from amylopectin in that amylose

Accepted Answer

A) has different monomers than amylopectin. 
B) has more glucose residues than amylopectin. 
C) is highly branched and amylopectin is not. 
D) forms a helix and no branch points. 
A) has different monomers than amylopectin. 
B) has more glucose residues than amylopectin. 
C) is highly branched and amylopectin is not. 
D) forms a helix and no branch points.

Question 8

Sugar alcohols do not have a carbonyl group.

Accepted Answer

A) True 
 B)False

Question 9

Humans can digest limit dextrin that is formed from dietary plant starch using

Accepted Answer

A) α-amylase. 
B) β-amylase. 
C) debranching enzyme. 
D) A and B. 
E) A,B,and C. 
A) α-amylase. 
B) β-amylase. 
C) debranching enzyme. 
D) A and B. 
E) A,B,and C.

Question 10

Most of the carbohydrates on earth are produced by photosynthesis in plants.

Accepted Answer

A) True 
 B)False

Question 11

Cellulose cannot be degraded in cattle.

Accepted Answer

A) True 
 B)False

Question 12

Which is a product of the intramolecular cyclization of D-tagatose to form a furanose?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 13

If glucose supplies the anomeric carbon atom in a glycosidic link,the resulting compound is classified as a ________.

Accepted Answer

A) glycoside 
B) glycan 
C) glucoside 
D) glucosamine 
A) glycoside 
B) glycan 
C) glucoside 
D) glucosamine

Question 14

Furanoses have more three-dimensional conformations than pyranoses.

Accepted Answer

A) True 
 B)False

Question 15

The abbreviation for glucose is ________.

Accepted Answer

A) Glu 
B) Gcs 
C) Glc 
D) Gluc 
A) Glu 
B) Gcs 
C) Glc 
D) Gluc

Question 16

Amylase is a hydrolase that is an ________.

Accepted Answer

A) endonuclease 
B) endoglycosidase 
C) exonuclease 
D) exoglycosidase that removes maltose 
E) exoglycosidase that removes glucose monomers 
A) endonuclease 
B) endoglycosidase 
C) exonuclease 
D) exoglycosidase that removes maltose 
E) exoglycosidase that removes glucose monomers

Question 17

Who received a Nobel Prize in 1937 for his work on the structures of carbohydrates and the synthesis of Vitamin C?

Accepted Answer

A) Linus Pauling. 
B) Walter Haworth. 
C) Max Perutz. 
D) Emil Fisher. 
A) Linus Pauling. 
B) Walter Haworth. 
C) Max Perutz. 
D) Emil Fisher.

Question 18

Highly branched cores of amlyopectin that are resistant to hydrolysis are called ________.

Accepted Answer

A) core saccharides 
B) non-reducing saccharides 
C) dextran 
D) limit dextrins 
A) core saccharides 
B) non-reducing saccharides 
C) dextran 
D) limit dextrins

Question 19

In solution α-D-glucopyranose and β-D-glucopyranose ________.

Accepted Answer

A) rapidly polymerize to form a heteropolymer 
B) can never exist together 
C) form a racemic mixture 
D) form an equilibrium mixture 
A) rapidly polymerize to form a heteropolymer 
B) can never exist together 
C) form a racemic mixture 
D) form an equilibrium mixture

Question 20

Steric strain is a major factor in determining the conformations of a monosaccharide that predominate in solution.

Accepted Answer

A) True 
 B)False

Exam 8: Carbohydrates

Ribitol is a

Ribitol is a sugar alcohol that is a component of

The chemical name for table sugar is ________ and it is a ________.

A saccharide is a ________.

Heteroglycan chains may or may not be covalently bound to proteins in proteoglycans.

Chitin is

Amylose differs from amylopectin in that amylose

Sugar alcohols do not have a carbonyl group.

Humans can digest limit dextrin that is formed from dietary plant starch using

Most of the carbohydrates on earth are produced by photosynthesis in plants.

Cellulose cannot be degraded in cattle.

Which is a product of the intramolecular cyclization of D-tagatose to form a furanose?

If glucose supplies the anomeric carbon atom in a glycosidic link,the resulting compound is classified as a ________.

Furanoses have more three-dimensional conformations than pyranoses.

The abbreviation for glucose is ________.

Amylase is a hydrolase that is an ________.

Who received a Nobel Prize in 1937 for his work on the structures of carbohydrates and the synthesis of Vitamin C?

Highly branched cores of amlyopectin that are resistant to hydrolysis are called ________.

In solution α-D-glucopyranose and β-D-glucopyranose ________.

Steric strain is a major factor in determining the conformations of a monosaccharide that predominate in solution.

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

DNA Replication, repair, and Recombination

Transcription and RNA Processing

Protein Synthesis

Filters

The chemical name for table sugar is and it is a .