Question 1

The nutritional storage form(s) of glucose in plants is/are

Accepted Answer

A)  glycogen. 
B)  amylose. 
C)  amylopectin. 
D)  cellulose. 
E)  amylose and amylopectin. 
A)  glycogen. 
B)  amylose. 
C)  amylopectin. 
D)  cellulose. 
E)  amylose and amylopectin.

Question 2

Draw the Fischer projection structures of all of the trioses.

Accepted Answer

@#IMG-DLM&
Structure

Question 3

What is the role of mannose 6-phosphate? What disease is caused by lack of this terminal sugar on glycoproteins?

Accepted Answer

It acts as the marker that directs many

Question 4

At what location(s) within a cell is/are proteins glycosylated?

Accepted Answer

A)  ribosome 
B)  endoplasmic reticulum 
C)  Golgi complex 
D)  lysosome 
E)  endoplasmic reticulum and Golgi complex 
A)  ribosome 
B)  endoplasmic reticulum 
C)  Golgi complex 
D)  lysosome 
E)  endoplasmic reticulum and Golgi complex

Question 5

What type of enzyme synthesizes oligosaccharides?

Accepted Answer

A)  amylase 
B)  sucrase 
C)  glycosyltransferase 
D)  $\beta$-galactosidase 
E)  protein kinase 
A)  amylase 
B)  sucrase 
C)  glycosyltransferase 
D)  $\beta$-galactosidase 
E)  protein kinase

Question 6

Compare the structures of amylopectin and amylose.

Accepted Answer

Both are homopolymers of glucose. Amylos

Question 7

In C-type lectins, a _______________ acts as a bridge between the carbohydrate and the protein.

Accepted Answer

The answer of In C-type lectins, a _______________ acts as...

Question 8

______is the class of glycoproteins with predominantly N-acetylgalactosamine moieties.

Accepted Answer

A)  Glycosaminoglycans 
B)  Mucoproteins 
C)  Starch 
D)  Lectins 
E)  Proteoglycans 
A)  Glycosaminoglycans 
B)  Mucoproteins 
C)  Starch 
D)  Lectins 
E)  Proteoglycans

Question 9

Why is it more difficult to determine the structure of the oligosaccharides, when compared to amino acid sequences?

Accepted Answer

Amino acids are linked through peptide b

Question 10

How is the d or l configuration determined?

Accepted Answer

The d or l configuration is de

Question 11

What term describes stereoisomers that are mirror images of each other?

Accepted Answer

A)  anomers 
B)  epimers 
C)  enantiomers 
D)  diastereomers 
E)  meso compound 
A)  anomers 
B)  epimers 
C)  enantiomers 
D)  diastereomers 
E)  meso compound

Question 12

Describe the mechanism by which N-linked sugars are synthesized and attached to proteins.

Accepted Answer

The units are assembled in the ER attach

Question 13

The influenza virus recognizes _______________ (a carbohydrate) residues of glycoproteins present on cell surface.

Accepted Answer

The answer of The influenza virus recognizes _______________ (a carbohydrate)...

Question 14

Two monosaccharides that differ in stereochemistry at only a single asymmetric carbon are called _____.

Accepted Answer

A)  aldoses 
B)  epimers 
C)  anomers 
D)  pentoses 
E)  enantiomers 
A)  aldoses 
B)  epimers 
C)  anomers 
D)  pentoses 
E)  enantiomers

Question 15

The enzyme that digests amylopectin is

Accepted Answer

A)  $\alpha$-amylase. 
B)  amylopectinase. 
C)  cellulase. 
D)  invertase. 
E)  None of the answers is correct. 
A)  $\alpha$-amylase. 
B)  amylopectinase. 
C)  cellulase. 
D)  invertase. 
E)  None of the answers is correct.

Question 16

Which of the following is among the most abundant organic molecules in the biosphere?

Accepted Answer

A)  glycogen 
B)  amylose 
C)  amylopectin 
D)  cellulose 
E)  chitin 
A)  glycogen 
B)  amylose 
C)  amylopectin 
D)  cellulose 
E)  chitin

Question 17

An aldehyde and alcohol can react to form a

Accepted Answer

A)  hemialdol. 
B)  hemiketal. 
C)  hemiacetal. 
D)  All of the answers are correct. 
E)  None of the answers is correct. 
A)  hemialdol. 
B)  hemiketal. 
C)  hemiacetal. 
D)  All of the answers are correct. 
E)  None of the answers is correct.

Question 18

What are the chemical and structural differences between cellulose and glycogen?

Accepted Answer

Both are glucose homopolymers. Glycogen

Question 19

Glycoproteins are normally

Accepted Answer

A)  found on membranes. 
B)  secreted as extracellular proteins. 
C)  found inside organelles. 
D)  All of the answers are correct. 
E)  found on membranes and secreted as extracellular proteins. 
A)  found on membranes. 
B)  secreted as extracellular proteins. 
C)  found inside organelles. 
D)  All of the answers are correct. 
E)  found on membranes and secreted as extracellular proteins.

Question 20

When an open-chain aldose cyclizes into a ring, it forms a _______________.

Accepted Answer

The answer of When an open-chain aldose cyclizes into a...

Exam 11: Carbohydrates

The nutritional storage form(s) of glucose in plants is/are

Draw the Fischer projection structures of all of the trioses.

What is the role of mannose 6-phosphate? What disease is caused by lack of this terminal sugar on glycoproteins?

At what location(s) within a cell is/are proteins glycosylated?

What type of enzyme synthesizes oligosaccharides?

Compare the structures of amylopectin and amylose.

In C-type lectins, a _______________ acts as a bridge between the carbohydrate and the protein.

______is the class of glycoproteins with predominantly N-acetylgalactosamine moieties.

Why is it more difficult to determine the structure of the oligosaccharides, when compared to amino acid sequences?

How is the d or l configuration determined?

What term describes stereoisomers that are mirror images of each other?

Describe the mechanism by which N-linked sugars are synthesized and attached to proteins.

The influenza virus recognizes _______________ (a carbohydrate) residues of glycoproteins present on cell surface.

Two monosaccharides that differ in stereochemistry at only a single asymmetric carbon are called _____.

The enzyme that digests amylopectin is

Which of the following is among the most abundant organic molecules in the biosphere?

An aldehyde and alcohol can react to form a

What are the chemical and structural differences between cellulose and glycogen?

Glycoproteins are normally

When an open-chain aldose cyclizes into a ring, it forms a _______________.

Biochemistry: an Evolving Science

Protein Composition and Structure

Exploring Proteins and Proteomes

DNA, RNA, and the Flow of Genetic Information

Exploring Genes and Genomes

Exploring Evolution and Bioinformatics

Hemoglobin: a Portrait of a Protein in Action

Enzymes: Basic Concepts and Kinetics

Oxidative Phosphorylation

Catalytic Strategies

Regulatory Strategies

Lipids and Cell Membranes

Membrane Channels and Pumps

Signal-Transduction Pathways

Metabolism: Basic Concepts and Design

Glycolysis and Gluconeogenesis

The Citric Acid Cycle

The Light Reactions of Photosynthesis

The Calvin Cycle and the Pentose Phosphate Pathway

Glycogen Metabolism

Fatty Acid Metabolism

Protein Turnover and Amino Acid Catabolism

The Biosynthesis of Amino Acids

Nucleotide Biosynthesis

Biosynthesis of Membrane Lipids and Steroids

The Integration of Metabolism

DNA Replication, Repair, and Recombination

Rna Synthesis and Processing

Protein Synthesis

The Control of Gene Expression in Prokaryotes

The Control of Gene Expression in Eukaryotes

Sensory Systems

The Immune System

Molecular Motors

Drug Development

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