Question 1

Which are possible conformations of a furanose molecule?

Accepted Answer

A) Envelope and twist. 
B) Chair and boat. 
C) Cis and trans. 
D) A and B. 
A) Envelope and twist. 
B) Chair and boat. 
C) Cis and trans. 
D) A and B.

Question 2

The reaction between one molecule of alcohol and one molecule of aldehyde yields an acetal.

Accepted Answer

A) True 
 B)False

Question 3

The intramolecular cyclization reaction of glucose in solution ________.

Accepted Answer

A) generates a chiral center 
B) yields a hemiacetal 
C) usually forms a pyranose 
D) All of the above 
A) generates a chiral center 
B) yields a hemiacetal 
C) usually forms a pyranose 
D) All of the above

Question 4

Homoglycans are used for storage,while heteroglycans are used for cell structure.

Accepted Answer

A) True 
 B)False

Question 5

Below is the structure for a cyclic D-monosaccharide.Which is the anomeric carbon atom?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 6

The main reasons that glycoproteins are so diverse when compared to other proteoglycans are

Accepted Answer

A) they may contain different sugars in different combinations and chain lengths. 
B) β or α-glycosidic linkages may join various carbon atoms in the sugars. 
C) they are found in both bacterial,plant and animal cells. 
D) A and B. 
E) All of the above. 
A) they may contain different sugars in different combinations and chain lengths. 
B) β or α-glycosidic linkages may join various carbon atoms in the sugars. 
C) they are found in both bacterial,plant and animal cells. 
D) A and B. 
E) All of the above.

Question 7

Select the correct description from this list for the following terms:
-polysaccharide of GlcNAc and N-acetylmuramic acid

Accepted Answer

A) nodulation factor 
B) H antigen (blood groups) 
C) hyaluronic acid 
D) aggrecan 
E) bacterial cell wall (peptidoglycan) 
A) nodulation factor 
B) H antigen (blood groups) 
C) hyaluronic acid 
D) aggrecan 
E) bacterial cell wall (peptidoglycan)

Question 8

All carbohydrates have the empirical formula (CH₂O)n.

Accepted Answer

A) True 
 B)False

Question 9

Select the correct description from this list for the following terms:
-lipo-oligosaccharides that bacteria infecting legume plants produce

Accepted Answer

A) nodulation factor 
B) H antigen (blood groups) 
C) hyaluronic acid 
D) aggrecan 
E) bacterial cell wall (peptidoglycan) 
A) nodulation factor 
B) H antigen (blood groups) 
C) hyaluronic acid 
D) aggrecan 
E) bacterial cell wall (peptidoglycan)

Question 10

Termites and cows have bacteria in their digestive tracts that can obtain glucose from plant cellulose because they have enzymes that can attack

Accepted Answer

A) α-D-glucoside. 
B) β-D-glucoside. 
C) cellulose branch points. 
D) hydrogen bonds in cellulose fibrils. 
A) α-D-glucoside. 
B) β-D-glucoside. 
C) cellulose branch points. 
D) hydrogen bonds in cellulose fibrils.

Question 11

Enzymes in the human intestine which are needed to degrade plant starch into limit dextrin are

Accepted Answer

A) α-Amylase. 
B) β-Amylase. 
C) debranching enzymes. 
D) A and B. 
E) A,B,and C. 
A) α-Amylase. 
B) β-Amylase. 
C) debranching enzymes. 
D) A and B. 
E) A,B,and C.

Question 12

Vitamin C is an enediol of a lactone and is vital in the synthesis of collagen.

Accepted Answer

A) True 
 B)False

Which are possible conformations of a furanose molecule?

The reaction between one molecule of alcohol and one molecule of aldehyde yields an acetal.

The intramolecular cyclization reaction of glucose in solution ________.

Homoglycans are used for storage,while heteroglycans are used for cell structure.

Below is the structure for a cyclic D-monosaccharide.Which is the anomeric carbon atom?

The main reasons that glycoproteins are so diverse when compared to other proteoglycans are

Select the correct description from this list for the following terms: -polysaccharide of GlcNAc and N-acetylmuramic acid

All carbohydrates have the empirical formula (CH₂O)n.

Select the correct description from this list for the following terms: -lipo-oligosaccharides that bacteria infecting legume plants produce

Termites and cows have bacteria in their digestive tracts that can obtain glucose from plant cellulose because they have enzymes that can attack

Enzymes in the human intestine which are needed to degrade plant starch into limit dextrin are

Vitamin C is an enediol of a lactone and is vital in the synthesis of collagen.

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

Exam 8: Carbohydrates

Which are possible conformations of a furanose molecule?

The reaction between one molecule of alcohol and one molecule of aldehyde yields an acetal.

The intramolecular cyclization reaction of glucose in solution ________.

Homoglycans are used for storage,while heteroglycans are used for cell structure.

Below is the structure for a cyclic D-monosaccharide.Which is the anomeric carbon atom?

The main reasons that glycoproteins are so diverse when compared to other proteoglycans are

Select the correct description from this list for the following terms: -polysaccharide of GlcNAc and N-acetylmuramic acid

All carbohydrates have the empirical formula (CH₂O)n.

Select the correct description from this list for the following terms: -lipo-oligosaccharides that bacteria infecting legume plants produce

Termites and cows have bacteria in their digestive tracts that can obtain glucose from plant cellulose because they have enzymes that can attack

Enzymes in the human intestine which are needed to degrade plant starch into limit dextrin are

Vitamin C is an enediol of a lactone and is vital in the synthesis of collagen.

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