Question 1

What type of inhibitor is penicillin classified as?

Accepted Answer

A)  reversible 
B)  competitive 
C)  suicide 
D)  uncompetitive 
A)  reversible 
B)  competitive 
C)  suicide 
D)  uncompetitive

Question 2

Compared with Gram-negative bacteria, Gram-positive bacteria have a

Accepted Answer

A)  thicker peptidoglycan layer. 
B)  thinner peptidoglycan layer. 
C)  thinner outer membrane. 
D)  thicker outer membrane. 
A)  thicker peptidoglycan layer. 
B)  thinner peptidoglycan layer. 
C)  thinner outer membrane. 
D)  thicker outer membrane.

Question 3

In a lectin array, how are lectin proteins attached to the solid support?

Accepted Answer

A)  van der Waals interactions 
B)  hydrogen bonding 
C)  covalent bonding 
D)  ionic interactions 
A)  van der Waals interactions 
B)  hydrogen bonding 
C)  covalent bonding 
D)  ionic interactions

Question 4

What type of antibody or antibodies is/are found in the plasma of a person with type O blood?

Accepted Answer

A)  anti-A 
B)  anti-B 
C)  neither anti-A or anti-B 
D)  both anti-A and anti-B 
A)  anti-A 
B)  anti-B 
C)  neither anti-A or anti-B 
D)  both anti-A and anti-B

Question 5

Explain the information that glycan arrays provide about the cell.

Accepted Answer

Glycan arrays analyze the complete set o

Question 6

The glycosaminoglycan sulfate is responsible for providing structural support in the cornea of the eye.

Accepted Answer

A)  chondroitin 
B)  keratan 
C)  heparan 
D)  chitin 
A)  chondroitin 
B)  keratan 
C)  heparan 
D)  chitin

Question 7

Outline the methods used to stain both Enterococcus faecalis and Escherichia coli.

Accepted Answer

Enterococcus faecalis is a Gram-positive

Question 8

Compare the mechanisms of resistance that bacteria have developed with penicillin and methicillin.

Accepted Answer

Penicillin-resistant bacteria express th

Question 9

What method is used to release the O-linked glycan groups from the membrane-associated glycoconjugates shown in 2 in the figure below?

Accepted Answer

A)  enzymatic cleavage using PNGaseF 
B)  chemical cleavage using a $\beta$-elimination reaction 
C)  chemical cleavage using a Schiff base intermediate 
D)  enzymatic cleavage using $\beta$-galactosidase 
A)  enzymatic cleavage using PNGaseF 
B)  chemical cleavage using a $\beta$-elimination reaction 
C)  chemical cleavage using a Schiff base intermediate 
D)  enzymatic cleavage using $\beta$-galactosidase

Question 10

Explain the connection the disaccharide lactose has to lacto-N-tetraose and lacto-N-fucopentaose I that is found in human breast milk.

Accepted Answer

Lactose is a disaccharide that is found

Question 11

The growth rate of nonruminating animals often decreases when they eat feed containing __________ because of the inability to digest it.

Accepted Answer

A)  glucose 
B)  lactose 
C)  starch 
D)  raffinose 
A)  glucose 
B)  lactose 
C)  starch 
D)  raffinose

Question 12

Compare and contrast the structure of glycogen, amylose, and amylopectin.

Accepted Answer

All the glycans contain exclusively gluc

Question 13

What method is used to release the N-linked glycan groups from the membrane-associated glycoconjugates shown in 1 in the figure below?

Accepted Answer

A)  enzymatic cleavage using PNGaseF 
B)  chemical cleavage using a $\beta$-elimination reaction 
C)  chemical cleavage using a Schiff base intermediate 
D)  enzymatic cleavage using $\beta$-galactosidase 
A)  enzymatic cleavage using PNGaseF 
B)  chemical cleavage using a $\beta$-elimination reaction 
C)  chemical cleavage using a Schiff base intermediate 
D)  enzymatic cleavage using $\beta$-galactosidase

Question 14

Compare the information about glycan structure that is determined from liquid chromatography with the information obtained from mass spectrometry.

Accepted Answer

High-performance liquid chromatography p

Question 15

How do the antibacterial properties of penicillin compare with methicillin?

Accepted Answer

Penicillin forms a suicide inhibitor com

Question 16

The glycan group on glycoproteins and glycolipids on the red blood cells all contain the glycan subgroup(s)

Accepted Answer

A)  O. 
B)  Gal. 
C)  GalNAc. 
D)  Gal and GalNAc. 
A)  O. 
B)  Gal. 
C)  GalNAc. 
D)  Gal and GalNAc.

Question 17

The figure below is a fluorescence readout from a lectin array. What can be deduced from A?

Accepted Answer

A)  There is no interaction between the glycan and the lectin in the well. 
B)  There is a glycan-lectin interaction in the well. 
C)  There is an interaction, but there is no way to determine the species that are interacting. 
D)  Glycan cleavage from the glycoconjugate has been achieved. 
A)  There is no interaction between the glycan and the lectin in the well. 
B)  There is a glycan-lectin interaction in the well. 
C)  There is an interaction, but there is no way to determine the species that are interacting. 
D)  Glycan cleavage from the glycoconjugate has been achieved.

Question 18

Gram-negative bacteria contain which potent inflammatory agent in animals?

Accepted Answer

A)  cellulose 
B)  lipopolysaccharide 
C)  lipoteichoic acid 
D)  hyaluronic acid 
A)  cellulose 
B)  lipopolysaccharide 
C)  lipoteichoic acid 
D)  hyaluronic acid

Question 19

Which glucose homopolymer would be used if a person had to sprint quickly?

Accepted Answer

A)  sucrose 
B)  galactose 
C)  starch 
D)  glycogen 
A)  sucrose 
B)  galactose 
C)  starch 
D)  glycogen

Question 20

What is the blood type of a person who fails to express either the GTA or GTB glycosyltransferases?

Accepted Answer

A)  O 
B)  A 
C)  B 
D)  AB 
A)  O 
B)  A 
C)  B 
D)  AB

Exam 13: Carbohydrate Structure and Function

What type of inhibitor is penicillin classified as?

Compared with Gram-negative bacteria, Gram-positive bacteria have a

In a lectin array, how are lectin proteins attached to the solid support?

What type of antibody or antibodies is/are found in the plasma of a person with type O blood?

Explain the information that glycan arrays provide about the cell.

The glycosaminoglycan sulfate is responsible for providing structural support in the cornea of the eye.

Outline the methods used to stain both Enterococcus faecalis and Escherichia coli.

Compare the mechanisms of resistance that bacteria have developed with penicillin and methicillin.

What method is used to release the O-linked glycan groups from the membrane-associated glycoconjugates shown in 2 in the figure below?

Explain the connection the disaccharide lactose has to lacto-N-tetraose and lacto-N-fucopentaose I that is found in human breast milk.

The growth rate of nonruminating animals often decreases when they eat feed containing __________ because of the inability to digest it.

Compare and contrast the structure of glycogen, amylose, and amylopectin.

What method is used to release the N-linked glycan groups from the membrane-associated glycoconjugates shown in 1 in the figure below?

Compare the information about glycan structure that is determined from liquid chromatography with the information obtained from mass spectrometry.

How do the antibacterial properties of penicillin compare with methicillin?

The glycan group on glycoproteins and glycolipids on the red blood cells all contain the glycan subgroup(s)

The figure below is a fluorescence readout from a lectin array. What can be deduced from A?

Gram-negative bacteria contain which potent inflammatory agent in animals?

Which glucose homopolymer would be used if a person had to sprint quickly?

What is the blood type of a person who fails to express either the GTA or GTB glycosyltransferases?

Principles of Biochemistry

Physical Biochemistry: Energy Conversion, Water, and Membranes

Nucleic Acid Structure and Function

Protein Structure

Methods in Protein Biochemistry

Protein Function

Enzyme Mechanisms

Cell Signaling Systems

Glycolysis: a Paradigm of Metabolic Regulation

The Citrate Cycle

Oxidative Phosphorylation

Photosynthesis

Carbohydrate Metabolism

Lipid Structure and Function

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Metabolic Integration

DNA Replication, Repair, and Recombination

RNA Synthesis, Processing, and Gene Silencing

Protein Synthesis, Posttranslational Modification, and Transport

Gene Regulation

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