Question 1

The product of reduction of mannose is mannoic acid.

Accepted Answer

A) True 
 B)False

Question 2

Stereoisomers are not structural isomers.

Accepted Answer

A) True 
 B)False

Question 3

Fructose does not undergo hydrolysis because it is a ________.

Accepted Answer

A) aldose 
B) hexose 
C) reducing sugar 
D) monosaccharide 
E) disaccharide 
A) aldose 
B) hexose 
C) reducing sugar 
D) monosaccharide 
E) disaccharide

Question 4

Glucose can have the structure shown below.It can be classified as a(n)________.

Accepted Answer

A) ribose 
B) ketose 
C) disaccharide 
D) monosaccharide 
E) ketone 
A) ribose 
B) ketose 
C) disaccharide 
D) monosaccharide 
E) ketone

Question 5

One difference between D-glucose and L-glucose is ________.

Accepted Answer

A) the open-chain form of L-glucose does not exist 
B) it is not possible to make L-glucose 
C) L-glucose has a 5-membered ring,and D-glucose has a 6-membered ring 
D) only D-glucose can act as a substrate in metabolic reactions 
E) L-glucose cannot form a closed structure 
A) the open-chain form of L-glucose does not exist 
B) it is not possible to make L-glucose 
C) L-glucose has a 5-membered ring,and D-glucose has a 6-membered ring 
D) only D-glucose can act as a substrate in metabolic reactions 
E) L-glucose cannot form a closed structure

Question 6

Identify each Fischer projection as the D- or L-isomer.
-

Accepted Answer

The answer of Identify each Fischer projection as the D-...

Question 7

Galactose is a ________.

Accepted Answer

A) monosaccharide 
B) disaccharide 
C) trisaccharide 
D) polysaccharide 
E) phosphosaccharide 
A) monosaccharide 
B) disaccharide 
C) trisaccharide 
D) polysaccharide 
E) phosphosaccharide

Question 8

Hypoglycemia is a condition in which ________.

Accepted Answer

A) the glucose level in the blood is about 100 mg/dL 
B) the amount of glucose in the urine is higher than normal 
C) the glucose level in the blood is higher than normal 
D) the glucose level in the pancreas is higher than normal 
E) the glucose level in the blood is lower than normal 
A) the glucose level in the blood is about 100 mg/dL 
B) the amount of glucose in the urine is higher than normal 
C) the glucose level in the blood is higher than normal 
D) the glucose level in the pancreas is higher than normal 
E) the glucose level in the blood is lower than normal

Question 9

Cellulose is not digestible by humans because it contains glucose units linked by ________-glycosidic bonds.

Accepted Answer

A) α-1,2 
B) α-1,4 
C) α-1,6 
D) β-1,2 
E) β-1,4 
A) α-1,2 
B) α-1,4 
C) α-1,6 
D) β-1,2 
E) β-1,4

Question 10

When glucose is reduced the product is ________.

Accepted Answer

A) glucitol 
B) gluconic acid 
C) sucrose 
D) galactose 
E) maltose 
A) glucitol 
B) gluconic acid 
C) sucrose 
D) galactose 
E) maltose

Question 11

A glycosidic bond between two monosaccharides can also be classified as a(n)________.

Accepted Answer

A) double bond 
B) ester bond 
C) ether bond 
D) achiral bond 
E) alcohol bond 
A) double bond 
B) ester bond 
C) ether bond 
D) achiral bond 
E) alcohol bond

Question 12

A chiral carbon atom can have fewer than four different groups bonded to it.

Accepted Answer

A) True 
 B)False

Question 13

Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?

Accepted Answer

A) monosaccharides 
B) disaccharides 
C) trisaccharides 
D) tetrasaccharides 
E) polysaccharides 
A) monosaccharides 
B) disaccharides 
C) trisaccharides 
D) tetrasaccharides 
E) polysaccharides

Question 14

Achiral compounds are those which ________.

Accepted Answer

A) have no "handedness" 
B) have different mirror images 
C) are nonsuperimposable 
D) have the same formula but different structures 
E) have a carbon attached to four different atoms 
A) have no "handedness" 
B) have different mirror images 
C) are nonsuperimposable 
D) have the same formula but different structures 
E) have a carbon attached to four different atoms

Question 15

Cellulose is a monosaccharide.

Accepted Answer

A) True 
 B)False

Question 16

The biological activity of one enantiomers may be very different from the biological activity of the other enantiomer.

Accepted Answer

A) True 
 B)False

Question 17

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

Accepted Answer

A) True 
 B)False

Question 18

A monosaccharide that consists of 5 carbon atoms,one of which is in a ketone group,is classified as a(n)________.

Accepted Answer

A) aldotetrose 
B) aldopentose 
C) aldohexose 
D) ketotetrose 
E) ketopentose 
A) aldotetrose 
B) aldopentose 
C) aldohexose 
D) ketotetrose 
E) ketopentose

Question 19

Humans cannot digest cellulose because they ________.

Accepted Answer

A) lack the necessary enzymes to digest β-glycosides 
B) are allergic to β-glycosides 
C) are poisoned by β-glycosides 
D) have intestinal flora which use up β-glycosides 
E) cannot digest chlorophyll 
A) lack the necessary enzymes to digest β-glycosides 
B) are allergic to β-glycosides 
C) are poisoned by β-glycosides 
D) have intestinal flora which use up β-glycosides 
E) cannot digest chlorophyll

Question 20

Which of the following compounds is chiral?

Accepted Answer

A) H ∣
H - C - H
∣
H 
B) H ∣
HO - C - OH
∣
H 
C)    ∣
HO - C - H
∣
Cl 
D) Br ∣
H - C - OH
∣
H 
E) Cl ∣
Br - C - Cl
∣
Br 
A) H ∣
H - C - H
∣
H 
B) H ∣
HO - C - OH
∣
H 
C)    ∣
HO - C - H
∣
Cl 
D) Br ∣
H - C - OH
∣
H 
E) Cl ∣
Br - C - Cl
∣
Br

The product of reduction of mannose is mannoic acid.

Stereoisomers are not structural isomers.

Fructose does not undergo hydrolysis because it is a ________.

Glucose can have the structure shown below.It can be classified as a(n)________.

One difference between D-glucose and L-glucose is ________.

Identify each Fischer projection as the D- or L-isomer. -

Galactose is a ________.

Hypoglycemia is a condition in which ________.

Cellulose is not digestible by humans because it contains glucose units linked by ________-glycosidic bonds.

When glucose is reduced the product is ________.

A glycosidic bond between two monosaccharides can also be classified as a(n)________.

A chiral carbon atom can have fewer than four different groups bonded to it.

Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?

Achiral compounds are those which ________.

Cellulose is a monosaccharide.

The biological activity of one enantiomers may be very different from the biological activity of the other enantiomer.

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

A monosaccharide that consists of 5 carbon atoms,one of which is in a ketone group,is classified as a(n)________.

Humans cannot digest cellulose because they ________.

Which of the following compounds is chiral?

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Exam 13: Carbohydrates

The product of reduction of mannose is mannoic acid.

Stereoisomers are not structural isomers.

Fructose does not undergo hydrolysis because it is a ________.

Glucose can have the structure shown below.It can be classified as a(n)________.

One difference between D-glucose and L-glucose is ________.

Identify each Fischer projection as the D- or L-isomer. -

Galactose is a ________.

Hypoglycemia is a condition in which ________.

Cellulose is not digestible by humans because it contains glucose units linked by ________-glycosidic bonds.

When glucose is reduced the product is ________.

A glycosidic bond between two monosaccharides can also be classified as a(n)________.

A chiral carbon atom can have fewer than four different groups bonded to it.

Which group of carbohydrates cannot be hydrolyzed to give simpler carbohydrates?

Achiral compounds are those which ________.

Cellulose is a monosaccharide.

The biological activity of one enantiomers may be very different from the biological activity of the other enantiomer.

A deep blue color in Benedict's test indicates the presence of an aldehyde with an adjacent alcohol.

A monosaccharide that consists of 5 carbon atoms,one of which is in a ketone group,is classified as a(n)________.

Humans cannot digest cellulose because they ________.

Which of the following compounds is chiral?

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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