Question 1

Pentoses and hexoses can form stable ring structures by internal hemiacetal formation.

Accepted Answer

A) True 
 B)False  True

Question 2

D-ribose can form a ring structure with either four or five carbons in the ring.

Accepted Answer

A) True 
 B)False  True

Question 3

Proteins are marked for secretion from the cell by the post translational addition of oligosaccharides.

Accepted Answer

A) True 
 B)False  True

Question 4

Synthesis of sugar polymers is enzyme catalyzed and requires activated monomers like ________ in lactose biosynthesis.

Accepted Answer

The answer of Synthesis of sugar polymers is enzyme catalyzed...

Question 5

N-linked glycans are attached to proteins through N-acetylglucosamine or N-acetyl galactosamine to the amide side chain of:

Accepted Answer

A)  glutamine. 
B)  histidine. 
C)  asparagine. 
D)  arginine. 
E)  lysine. 
A)  glutamine. 
B)  histidine. 
C)  asparagine. 
D)  arginine. 
E)  lysine.

Question 6

Glyceraldehyde has a chiral carbon so has two stereoisomers, which are called diastereomers.

Accepted Answer

A) True 
 B)False

Question 7

Maltose has a (1→4) α linkage between glucose and ________.

Accepted Answer

The answer of Maltose has a (1→4) α linkage between...

Question 8

Carbohydrates are components of the following:

Accepted Answer

A)  the membrane of red blood cells. 
B)  nucleic acids. 
C)  the hormone erythropoietin. 
D)  the bacterial cell wall. 
E)  all of the above. 
A)  the membrane of red blood cells. 
B)  nucleic acids. 
C)  the hormone erythropoietin. 
D)  the bacterial cell wall. 
E)  all of the above.

Question 9

O-linked glycans are attached to proteins through the hydroxyl group of serine or ________ and sometimes ________.

Accepted Answer

The answer of O-linked glycans are attached to proteins through...

Question 10

Heparin is a highly sulphated glycosaminoglycan that act as an ________.

Accepted Answer

The answer of Heparin is a highly sulphated glycosaminoglycan that...

Question 11

Glycosaminoglycans are polysaccharides composed of repeating disaccharide units in which one of the sugars is always N-acetylgalactosamine.

Accepted Answer

A) True 
 B)False

Question 12

Amylose and amylopectin are the principle storage polysaccharides of:

Accepted Answer

A)  bacteria. 
B)  plants. 
C)  animals. 
D)  mollusks. 
E)  insects. 
A)  bacteria. 
B)  plants. 
C)  animals. 
D)  mollusks. 
E)  insects.

Question 13

Which of the following is an example of a monosaccharide?

Accepted Answer

A)  Galactose 
B)  Lactose 
C)  Amylose 
D)  Maltose 
E)  None of the above 
A)  Galactose 
B)  Lactose 
C)  Amylose 
D)  Maltose 
E)  None of the above

Question 14

Which of the following is considered to be the smallest carbohydrate?

Accepted Answer

A)  Glucose 
B)  Dihydroxyacetone 
C)  Ribose 
D)  Xylose 
E)  Formaldehyde 
A)  Glucose 
B)  Dihydroxyacetone 
C)  Ribose 
D)  Xylose 
E)  Formaldehyde

Question 15

The storage polysaccharides are ________ in plants and ________ in animals.

Accepted Answer

The answer of The storage polysaccharides are ________ in plants...

Exam 9: Carbohydrates: Sugars, Saccharides, Glycans

Pentoses and hexoses can form stable ring structures by internal hemiacetal formation.

D-ribose can form a ring structure with either four or five carbons in the ring.

Proteins are marked for secretion from the cell by the post translational addition of oligosaccharides.

Synthesis of sugar polymers is enzyme catalyzed and requires activated monomers like ________ in lactose biosynthesis.

N-linked glycans are attached to proteins through N-acetylglucosamine or N-acetyl galactosamine to the amide side chain of:

Glyceraldehyde has a chiral carbon so has two stereoisomers, which are called diastereomers.

Maltose has a (1→4) α linkage between glucose and ________.

Carbohydrates are components of the following:

O-linked glycans are attached to proteins through the hydroxyl group of serine or ________ and sometimes ________.

Heparin is a highly sulphated glycosaminoglycan that act as an ________.

Glycosaminoglycans are polysaccharides composed of repeating disaccharide units in which one of the sugars is always N-acetylgalactosamine.

Amylose and amylopectin are the principle storage polysaccharides of:

Which of the following is an example of a monosaccharide?

Which of the following is considered to be the smallest carbohydrate?

The storage polysaccharides are ________ in plants and ________ in animals.

Biochemistry and the Language of Chemistry

The Chemical Foundation of Life: Weak Interactions in an Aqueous Environment

The Energetics of Life

Nucleic Acids

Introduction to Proteins: the Primary Level of Protein Structure

The Three-Dimensional Structure of Proteins

Protein Function and Evolution

Enzymes: Biological Catalysts

Lipids, Membranes, and Cellular Transport

Chemical Logic of Metabolism

Carbohydrate Metabolism: Glycolysis, Gluconeogenesis, Glycogen Metabolism, and the Pentose Phosphate Pathway

The Citric Acid Cycle

Electron Transport, Oxidative Phosphorylation, and Oxygen Metabolism

Photosynthesis

Lipid Metabolism

Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

Amino Acid and Nitrogen Metabolism

Nucleotide Metabolism

Mechanisms of Signal Transduction

Genes, Genomes, and Chromosomes

DNA Replication

DNA Repair, Recombination, and Rearrangement

Transcription and Post-Transcriptional Processing

Information Decoding: Translation and Post-Translational Protein Processing

Regulation of Gene Expression

Filters

O-linked glycans are attached to proteins through the hydroxyl group of serine or and sometimes .

The storage polysaccharides are in plants and in animals.